PRX Quantum @PRX_Quantum Twitter profile

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PRX Quantum

2 months

Perspective: An architecture that combines quantum networks and quantum processors into the same core entanglement distribution technology is introduced and discussed in the context of silicon color centers. @TeamPhotonic @quantumstef

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PRX Quantum

@PRX_Quantum

4 years

We are now OPEN FOR SUBMISSIONS! Submit your paper to @PRX_Quantum , APS' new, highly selective, open access journal covering quantum information science and technology

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PRX Quantum

@PRX_Quantum

2 years

Tutorial: A newcomer guide on applying tools from #MachineLearning to solve problems in condensed-matter physics and quantum information: From key ingredients to the implementation. @giactorlai @carrasqu

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PRX Quantum

@PRX_Quantum

3 years

Fabricate your own portable quantum hardware: A design methodology on 3D printing for rapid device prototyping and dramatic reductions in size, weight, and cost. @UniofNottingham @physics_JU Paper: Synopsis:

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PRX Quantum

@PRX_Quantum

3 years

Tutorial: A consistent and versatile framework to understand and apply the laws of thermodynamics for quantum systems far from equilibrium is presented. @GIQ_BCN

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PRX Quantum

@PRX_Quantum

1 year

The newly introduced concept of Bell magic allows quantifying the quantum computing resource necessary for advantage in an efficient and practical way. @TobiasHaug_Q

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PRX Quantum

@PRX_Quantum

8 months

A superconducting cavity qubit with coherence time an order of magnitude larger than the state of the art is demonstrated, showing the storage of a Schrödinger cat state with a record size of 1024 photons. @ofirmilul , @barqubit , @RosenblumSerge

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PRX Quantum

@PRX_Quantum

4 years

We are happy to announce Professor Stephen Bartlett ( @BartlettQuantum ) from @Sydney_Uni has been appointed Lead Editor of PRX Quantum, @APSphysics new highly selective #openaccess journal covering quantum information science and technology research

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PRX Quantum

@PRX_Quantum

2 years

A new method allows for the estimation of entanglement in quantum states represented by high dimensional tensor networks, extending the size of tractable systems beyond exact methods. @jenseisert , @TelAvivUni , @FU_Berlin

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PRX Quantum

@PRX_Quantum

3 years

A long-standing open problem in #QuantumInformation is solved: Exact unitary t-designs with any strength can be generated using quantum circuits.

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PRX Quantum

@PRX_Quantum

3 years

A promising building block for a fault-tolerant #quantum processor is demonstrated: Exponential protection against relaxation and first-order protection against dephasing is achieved in a #superconducting qubit. @nanonoodle , @circuitqed , @schusterqed

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PRX Quantum

@PRX_Quantum

2 years

We are proud to announce the appointment of Gabriel T. Landi ( @landi_qt2 ), a professor of theoretical physics at the University of São Paulo as the new Associate Editor of PRX Quantum. Submit your research today!

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PRX Quantum

@PRX_Quantum

5 months

A new machine-learning algorithm for predicting unknown quantum dynamics is presented. @RobertHuangHY , @sitanch , @preskill

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PRX Quantum

@PRX_Quantum

2 years

Launched in 2020, PRX Quantum’s first-ever Impact Factor ranks it top 3 in Quantum Science & Technology, and in the first quartile of titles in both the Physics, Applied and Physics, Multidisciplinary categories.

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PRX Quantum

@PRX_Quantum

2 years

An on-chip superconducting isolator that does not rely on magnetic materials to break reciprocity is implemented, providing 45 dB of isolation at the qubit readout frequency. @IBMResearch

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PRX Quantum

@PRX_Quantum

5 months

A pedagogical guide to understand important aspects of the physics and complexity of quantum many-body systems, focusing on short-range interactions and thermal equilibrium. @AlhambraAlvaro , @ift_uam_csic

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PRX Quantum

@PRX_Quantum

30 days

Tutorial: A pedagogical overview of analytical and numerical techniques used to characterize current fluctuations in Markovian systems is presented, helping to bridge knowledge between condensed-matter physics and quantum optics. @SNIunibas

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PRX Quantum

@PRX_Quantum

4 years

PRX Quantum is proud to announce the appointment of Hanhee Paik a Research Staff Member in IBM Quantum, IBM T.J. Watson Research Center, USA to our Editorial Board. Submit your research today APS pays APCs until 2022!

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PRX Quantum

@PRX_Quantum

6 months

Novel results show that the quantum Fourier transform is compatible with area-law entanglement dynamics, opening the way for classical simulations using tensor networks. @ChrisJielun , @MStoudenmire , @srwhite59

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PRX Quantum

@PRX_Quantum

3 years

An architecture for scalable fault-tolerant QC based on Kerr-cat qubits and the XZZX code is shown to be viable with parameters that can be realized in current experiments. @ArneGrimsmo @ARC_EQUS @SydneyNano @BenJamesBrown @davidktuckett @ShrutiPuri11

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PRX Quantum

@PRX_Quantum

4 years

We are PRX Quantum -- a new highly selective #openaccess #PhysicalReview journal from @APSphysics , aiming to cover research of the highest quality and impact from the #quantuminformation #science and #technology communities. Learn more at APS News.

Introducing PRX Quantum, a new Physical Review journal

APS is gearing up to launch a new member of the Physical Review family of journals.

aps.org

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PRX Quantum

@PRX_Quantum

2 years

Perspective: A list of open theoretical problems, which solutions could lead to breakthrough developments in quantum information, is thoughtfully suggested. @ictqt

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PRX Quantum

@PRX_Quantum

3 months

The progression toward a thermodynamic limit in a microscopic quantum system is experimentally observed. @fink_johannes @riyasett93 @ISTAustria

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PRX Quantum

@PRX_Quantum

2 years

By establishing a connection between quantum thermodynamics and non-Hermitian physics, the significance of exceptional points in the short- and long-range dynamics of the system is highlighted. @unige_en

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PRX Quantum

@PRX_Quantum

2 months

A fault-tolerant quantum error-correction scheme is presented that does not require measuring individual qubits and could thus revolutionize platforms that do not support midcircuit measurements. @RWTH Article: Synopsis:

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PRX Quantum

@PRX_Quantum

23 days

A superconducting circuit experiment reveals a twofold increase in qubit-photon interactions using antisqueezing, marking a pioneering step toward dynamically controlled quantum interactions. @LP_ENS_

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PRX Quantum

@PRX_Quantum

2 years

Tutorial: Surveying the recently developed Quantum Singular Value Transformation and showcasing how the three major quantum algorithms (search, factoring, and simulation) can be unified as instances of this transformation. @JohnMMartyn @bqp_equals_bpp @MIT

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PRX Quantum

@PRX_Quantum

3 years

A question answered by quantum information and hypothesis testing: How many training samples are needed to learn the classification of quantum states via quantum machine learning? @UNI_FIRENZE

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PRX Quantum

@PRX_Quantum

10 months

A new geometric framework to implement two-qubit gates between bosonic qubits is proposed, allowing one to reach gate fidelities at the 0.01% level with today’s hardware after detecting for errors. @QuantumTaka , @JTeohQuantum , @Yale_QI

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PRX Quantum

@PRX_Quantum

11 months

Bayes’ rule, one of the foundational results in probability theory, is rigorously extended to the quantum domain through the notion of time-reversal symmetry. @NagoyaUniv , @sjtu1896

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PRX Quantum

@PRX_Quantum

3 years

Editors' Suggestion: A rigorous connection between complexity growth and unitary k-designs is provided, establishing a stronger notion of #QuantumComplexity . @fgslbrandao @chemissany @nickrhj @RichardKueng @preskill @IQIM_Caltech @Perimeter @jkulinz

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PRX Quantum

@PRX_Quantum

1 year

A new perspective on the emergence of statistical behavior in chaotic quantum many-body systems is presented, establishing projected ensembles as a relevant tool for the characterization of information-theoretic properties. @JordanCotler , @RobertHuangHY

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PRX Quantum

@PRX_Quantum

2 years

A quantum algorithm based on the tensor network representation of quantum channels is developed to characterize and mitigate correlated noise in deep quantum circuits. @Tsinghua_Uni

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PRX Quantum

@PRX_Quantum

4 years

A new superconducting qubit offers strong suppression of decay via symmetry protection controlled by Aharonov-Casher interference. Work by @kalashnikovkv , @circuitqed , @agudipaolo et al. @IQ_USherbrooke , @RutgersU , @UMassBoston #QuantumComputing

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PRX Quantum

@PRX_Quantum

5 months

Novel techniques based on Lie group and algebraic quantum optimal control are employed in a new protocol to implement entangling universal logic gates on qudits. @SivaprasadOman1 , @ihdeutsch

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PRX Quantum

@PRX_Quantum

2 months

Excitation spectra and dynamical correlations become accessible for many-body quantum systems using projected entangled-pair states, allowing one to probe for new quasiparticles. @weilin_tu @coi_sqai

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PRX Quantum

@PRX_Quantum

3 years

A dive on the GKP code: Going from the visionary work that showed how to realize error correction based on continuous variables to the technological advances that allow extracting its power. @ArneGrimsmo @ShrutiPuri11 @Yale_QI @ARC_EQUS @SydneyNano

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PRX Quantum

@PRX_Quantum

2 years

Tutorial: The core techniques that underlie typical circuit QED experiments are laid out, offering a guide on how one can design, construct, and characterize a quantum device. @NUSingapore @StevenTouzard

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PRX Quantum

@PRX_Quantum

2 years

A new representation of noisy quantum logic gates, based on elementary error generators and their rates, enables intuitive and scalable modeling of gate errors. @SandiaLabs @themarcusps @mohansarovar @KRudinger

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PRX Quantum

@PRX_Quantum

16 days

New quantum random-access memory architectures based on high-coherence superconducting cavities allow suppression of the detrimental effects of noise. @d_k_weiss @Yale_QI @ShrutiPuri11

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PRX Quantum

@PRX_Quantum

1 year

The circuit complexity in preparing the ground state of a Hamiltonian is studied as a function of the spectral gap—the energy difference between the ground and the first excited state. @abhinavdqm , @IQIM_Caltech , @JointQuICS , @JQInews , @ChicagoQuantum

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PRX Quantum

@PRX_Quantum

2 years

VQPE: A combination of variational methods and quantum phase estimation is put together to develop an approach for computing ground and excited states that is fast and efficient. @NERSC , @LBNLcs , @KatieKlymko , @wa_de_jong

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PRX Quantum

@PRX_Quantum

5 months

The impact of noise on the accuracy of a quantum clock is investigated, unveiling a necessary and sufficient requirement for accuracy that extends standard error-correcting conditions to quantum metrology. @phfaist , @preskill , @WoodsMischa , @victorvalbert

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PRX Quantum

@PRX_Quantum

2 years

Even small Trotter step sizes can lead to notable errors in the quantum simulation of spin systems, revealing the interplay between properties of the simulated Hamiltonian and the Trotterized evolution. @Karthik_chinni1 , @ihdeutsch , @pablompoggi

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PRX Quantum

@PRX_Quantum

2 years

Tutorial: A systematic design of broadband parametric amplifiers, circulators, and frequency converters, is enabled by harnessing network-synthesis concepts and methods from microwave engineering. @ofer_naaman @GoogleQuantumAI @NIST

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PRX Quantum

@PRX_Quantum

10 days

Graph-theoretic tools are used to obtain rigorous lower bounds on the ground-state energy of quantum many-body Hamiltonians made up of Pauli strings. @GIQ_BCN @ias_tum

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PRX Quantum

@PRX_Quantum

3 years

A quantum-classical hybrid #algorithm is investigated to understand when and why it succeeds, deepening the connection between #entanglement and #neural network optimization strategies. @czqubit , @carrasqu , @henryquantum , @UofTCompSci , @VectorInst .

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PRX Quantum

@PRX_Quantum

2 years

The atomic quantum simulator is built to mimic solid-state material in a curved space, observing the emergence of topological features in such a system. @PurduePhysAstro

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PRX Quantum

@PRX_Quantum

2 years

Architecture for a fault-tolerant quantum computer: With 1000 superconducting circuit components classically intractable problems could be solved @earltcampbell @fgslbrandao @preskill @oskar_painter @S_Flammia @gilrefael @Amir_Safavi_N

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PRX Quantum

@PRX_Quantum

3 months

The bosonic Kitaev chain connects non-Hermitian physics and many-body phase transitions by displaying a measurement-free entanglement phase transition enabled by the non-Hermitian skin effect. @gid_lsx @xanmcdonald

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PRX Quantum

@PRX_Quantum

3 years

New from PRX Quantum: Roadmaps A series of 3 exciting, forward-looking articles from the US National Quantum Initiative that provide detail on a potential path to tackling the main challenges in the field.

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PRX Quantum

@PRX_Quantum

2 years

A differential-geometric formulation of quantum mechanics and the continuity of quantum phase space are used to diagnose how the state of an open quantum system results from its correlations with a structured environment. @ucdavis @UW

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PRX Quantum

@PRX_Quantum

3 years

Perspective: A unified view reveals connections between #QuantumControl and variational #QuantumAlgorithms , bringing forward ways of advancing both fields. @mohansarovar

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PRX Quantum

@PRX_Quantum

3 years

An insightful tutorial on how to deal with stochastic processes in the quantum domain: The tools to understand the effect of the environment on quantum systems' dynamics are provided. @modikk @MonashUni @iqoqivienna

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PRX Quantum

@PRX_Quantum

3 years

Tutorial: A phase-space exploration of continuous-variable systems is presented, guiding newcomers through the methodology needed for investigating non-Gaussian states. @mwalschaers @mqo_lkb @lkb_lab

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PRX Quantum

@PRX_Quantum

1 month

A new learning algorithm, with rigorous guarantees, to learn conserved quantities in quantum dynamics is presented. @IQIM_Caltech @YT59529321 @RobertHuangHY @YongtaoZhan

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PRX Quantum

@PRX_Quantum

1 year

Tutorial: A pedagogical and comprehensive introduction to the full quantum description of intense laser-matter interactions and its potential for quantum state engineering is presented. @ICFOnians

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PRX Quantum

@PRX_Quantum

4 years

First content is now published! Receive new content from PRX Quantum, APS’ newest #openaccess journal focused on quantum research and technologies with a lasting impact, delivered to your inbox free each month. Sign up now:

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PRX Quantum

@PRX_Quantum

5 months

Quantum correlation and information spread superlinearly with time in quantum dynamics subject to repeated measurements. @Perimeter , @UWaterloo

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PRX Quantum

@PRX_Quantum

5 months

Noise can be used as a computational resource for simulating open quantum systems on NISQ devices. @qubit_ulm , @JoseDGuimaraes

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PRX Quantum

@PRX_Quantum

4 years

A hardware-efficient gate set for superconducting qubits is shown to improve the performance of deep quantum optimization algorithms. @qudev @ETH_physics @NathanLacroix @AndreasAtETH @circuitqed #QuantumComputing

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PRX Quantum

@PRX_Quantum

3 years

A quantum RAM architecture based on photonic integrated circuits and existing technologies is proposed. @Dirk_Englund @MIT

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PRX Quantum

@PRX_Quantum

2 years

A versatile procedure that can be used to generate new quantum error correction codes from existing codes is presented. @mike_vasmer , @Perimeter , @QuantumIQC

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PRX Quantum

@PRX_Quantum

2 years

A VQE method that extends the power of NISQ devices is proposed: It solves a target large-scale quantum system by dividing the problem into several smaller subsystems. @fgksk @kosuke_mitarai @jlo8y0

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PRX Quantum

@PRX_Quantum

2 years

A graphical language based on the ZX-calculus is introduced to represent and reason about many-body states, providing an innovative and powerful tool for exploring condensed-matter physics. @aggrushin @QntmChancellor @NeelTheory @InstitutNeel @LIGLab

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PRX Quantum

@PRX_Quantum

20 days

A novel class of quantum error-correcting codes, dubbed subsystem Abelian quantum double codes, is introduced and is used to better understand the single-shot property of topological codes. @jcbridgeman1 @mike_vasmer @Perimeter @ResearchUGent @QuantumIQC

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PRX Quantum

@PRX_Quantum

1 month

A new study reveals that entangled quantum states, known as coherently radiating spin states, bridge the gap between quantum and classical physics in Dicke superradiance. @WeizmannScience

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PRX Quantum

@PRX_Quantum

4 years

PRX Quantum is proud to announce the appointment of Kenneth Brown, an Assoc. Prof. of Electrical and Computer Engineering, Physics, and Chemistry at Duke University @DukeU to our Editorial Board. Submit your research today. APS pays APCs until 2022!

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PRX Quantum

@PRX_Quantum

11 months

The second law of thermodynamics and Landauer's erasure principle are formulated for noisy optical polarizers, providing fundamental new advances on the thermodynamic description of quantum communication devices. @quthermo_comp

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PRX Quantum

@PRX_Quantum

2 months

A new quantum algorithm beats classical algorithms to provide a high-precision and efficient dynamical simulation of a quantum-classical system. @UofTCompSci

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PRX Quantum

@PRX_Quantum

3 months

A nonlinear filter protects the qubit from noise-induced decoherence but automatically deactivates when a readout pulse is applied, enabling a fast, high-fidelity readout of a superconducting qubit. @UTokyo_News_en

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PRX Quantum

@PRX_Quantum

27 days

Measurement-induced phase transitions in quantum many-body systems are studied from the perspective of the classical detection record and the corresponding information transfer. @MatteoIppoliti4 @TexasScience @QFarmStanford

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PRX Quantum

@PRX_Quantum

2 years

Anti-concentration, a property related to the difficulty of classically simulating a quantum circuit, is shown to happen much faster than previously believed. @Perimeter @Caltech

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PRX Quantum

@PRX_Quantum

1 year

Using newly developed quantum entropic and concentration inequalities, two complementary sets of results are derived that provide a better quantitative understanding of the limitations of variational quantum algorithms. @dsfranca , @InriaQinfo

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PRX Quantum

@PRX_Quantum

1 month

Random single-qubit Clifford rotations are applied to Kitaev’s surface code to yield surface-code variants that outperform the 𝘟𝘡𝘡𝘟 and 𝘟𝘠 surface codes under noise biased toward dephasing. @JointQuICS

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PRX Quantum

@PRX_Quantum

3 years

The search for dark matter candidates, such as axion-like particles and dark photons, maybe aided by experiments using nonlinear crystals and tools long explored in quantum optics. @Fermilab

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PRX Quantum

@PRX_Quantum

2 years

Vanishing quantum speed limits are shown to be linked with reduced uncertainty in quantum observables, helping to understand the emergence of classicality. @pablompoggi @quantumwizard @quthermo_comp @cquest_ucd @unm @ucddublin

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PRX Quantum

@PRX_Quantum

1 year

An equivalence is proved between various fermion-to-qubit mappings and the exact bosonization method that utilizes the emergent fermions in the 𝘡₂ topological order. @YijiaXuPhy , @JointQuICS , @JQInews , @condensed_the

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PRX Quantum

@PRX_Quantum

3 months

Polar emitters are used in a proposal to realize single-photon sources in the terahertz regime, promising optical tunability of the frequency of emission and its nonclassical statistics. @ifimacuam @CarlosMW @DiegoMartinCano @aifernand

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PRX Quantum

@PRX_Quantum

3 years

New from @PRX_Quantum : Tutorials Tutorials focus on the essential knowledge and relevant references that will allow newcomers to a research field, approach, or methodology efficiently move forward with their work. More on Tutorials:

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PRX Quantum

@PRX_Quantum

22 days

An improved qubit encoding extends the lifetime of the quantum memory, enabling the distribution of entanglement over a metropolitan-scale distance. @MPI_Quantum @LMU_Muenchen @MCQST_cluster

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PRX Quantum

@PRX_Quantum

2 years

A highly-optimized version of the surface-GKP code is introduced, showing how to ease the requirements to achieve fault-tolerance and prepare the necessary GKP state. @kyungjoo_noh @QuantumChambs @fgslbrandao @awscloud

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PRX Quantum

@PRX_Quantum

3 years

Our first Perspective article, authored by @ihdeutsch , "Harnessing the power of the second #quantum revolution," describes how curiosity-driven research led to radically new quantum technologies, and why continued inquiry is required for further progress

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PRX Quantum

@PRX_Quantum

3 years

The prospects of #QuantumAdvantage using NISQ devices to solve linear algebra problems are shown to be fairly small. @LosAlamosNatLab

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PRX Quantum

@PRX_Quantum

2 months

A theory for anyon condensation is presented, allowing the classification of topological objects, the design of novel fault-tolerant logic gates, and the discovery of new dynamically driven “Floquet” codes from the color code. @BenJamesBrown @jeyulio

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PRX Quantum

@PRX_Quantum

3 months

Improved classical methods for Hamiltonian simulation further shift the threshold for quantum utility. @JoeyTindall4 , @MStoudenmire , @FlatironCCQ Article: Research News:

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PRX Quantum

@PRX_Quantum

10 months

A quantum algorithm provides high-quality wave-function ansätze without variational optimization and enables the computation of strongly correlated ground and excited states at polynomial cost. @unpilbaek , @fullCIalchemist , @james_shee , @mhg_group .

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PRX Quantum

@PRX_Quantum

4 months

A low-noise quantum frequency conversion system enables a solid-state qubit in diamond to directly interface with telecom-band systems. @MITLL , @harvardphysics , @RLEatMIT

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PRX Quantum

@PRX_Quantum

2 years

Strategies leading to group-invariant quantum machine learning models are identified, which can result in better generalization, classification accuracy, and data efficiency. @MartinLaroo , @fredericsauv , @FarisSbahi , @quantumVerd , @ColesQuantum , @MvsCerezo

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PRX Quantum

@PRX_Quantum

22 days

Multiplexing entanglement attempts across multiple qubits in a quantum network node increases the entanglement rate without reducing fidelity. @iqoqi @eu_qia @QciCat @SFBBeyondC @uniinnsbruck Article: Synopsis:

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PRX Quantum

@PRX_Quantum

3 years

Time-bin qubits are teleported using off-the-shelf devices and telecom-fiber infrastructure, making it accessible and ideally suited for multiuser #QuantumNetworks . @Caltech @NASAJPL @AQT_INQNET @Fermilab @Harvard @UCalgary @MariaSpiropulu

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PRX Quantum

@PRX_Quantum

2 months

A new work introduces free charged particles as flying qubits for ultrafast cavity QED, potentially advancing quantum technologies. @stanford_ee

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PRX Quantum

@PRX_Quantum

3 months

A fault-tolerant measurement-based scheme built on braiding and fusing of symmetry defects in the 3-fermion anyon theory is presented for universal topological quantum computation. @quantum_roberts @DomJWilliamson

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PRX Quantum

@PRX_Quantum

3 months

A game in which two players compete to generate area- or volume-law entanglement may undergo novel types of quantum phase transitions. @TU_Muenchen

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PRX Quantum

@PRX_Quantum

9 months

Spacetime translation-invariant Clifford circuits exhibit a rich variety of dynamics, including fractal and nonfractal operator spreading, with applications to quantum error correction. @RQuantumSim , @PrincetonPhys , @JointQuICS

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PRX Quantum

@PRX_Quantum

2 years

An optical quantum computing architecture that can tolerate a remarkably high photon-loss rate is presented. @SNUnow

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PRX Quantum

@PRX_Quantum

3 years

A quantum algorithm is developed to analyze muon spectroscopy data: A real-world quantum computing application packed in a clear and pedagogical presentation. @SMcArdleQuantum

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PRX Quantum

@PRX_Quantum

1 year

Instead of directly preparing Gibbs states, a more efficient quantum algorithm to estimate them is proposed: generate thermal pure quantum states and use classical shadow tomography. @luukcoopmans , @quantinuumQC

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PRX Quantum

@PRX_Quantum

2 years

A quantum algorithm, based on the Lieb-Robinson bound, is developed to accurately and efficiently compile time-evolution operators, providing extensive proofs that certify the performance of the method. @mzt_kaoru22 , @kosuke_mitarai , @fgksk , @QunaSys

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PRX Quantum

@PRX_Quantum

2 years

Tutorial: A pedagogical introduction to the consistent methods in open quantum systems dynamics, to treat electron-photon interactions in strongly coupled and correlated quantum emitter ensembles is presented. @MPI_Light @gene_mpl @IMPRS_Light

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PRX Quantum

@PRX_Quantum

2 years

Variational quantum algorithms are augmented by an additional subroutine that efficiently detects signatures of barren plateaus @steve_quantum @RichardKueng @MaksSerbyn @ISTAustria

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