output
20122026
most citedLogical quantum processor based on reconfigurable atom arrays

1.1k citations

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64 papers · 1 filter

quant-ph2024★ 2 cited

Continuous-variable designs and design-based shadow tomography from random lattices

Jonathan Conrad, Joseph T. Iosue, Ansgar G. Burchards +1

We investigate state designs for continuous-variable quantum systems using the aid of lattice-like quantum states. These are code states of Gottesman-Kitaev-Preskill (GKP) codes. W…

quant-ph2024★ 3 cited

Correlated Noise Estimation with Quantum Sensor Networks

Anthony J. Brady, Yu-Xin Wang, Victor V. Albert +2

We address the metrological problem of estimating collective stochastic properties imprinted on a network of quantum sensors. Canonical examples include center-of-mass quadrature f…

cond-mat.mes-hall2024★ 7 cited

Superconductivity in Substitutional Ga-Hyperdoped Ge Epitaxial Thin Films

Julian A. Steele, Patrick J. Strohbeen, Carla Verdi +12

Doping-induced superconductivity in group IV elements may enable quantum functionalities in material systems accessible with well-established semiconductor technologies. Non-equili…

quant-ph2024★ 1 cited

Numerical evidence for the non-Abelian eigenstate thermalization hypothesis

Aleksander Lasek, Jae Dong Noh, Jade LeSchack +1

The eigenstate thermalization hypothesis (ETH) explains how generic quantum many-body systems thermalize internally. It implies that local operators' time-averaged expectation valu…

cond-mat.mes-hall2024★ 1 cited

Bootstrapping, autonomous testing, and initialization system for Si/SiGe multi-quantum-dot devices

Tyler J. Kovach, Daniel Schug, M. A. Wolfe +7

Semiconductor quantum dot (QD) devices have become central to advancements in spin-based quantum computing. However, the increasing complexity of modern QD devices makes calibratio…

quant-ph2024★ 4 cited

Emergent unitary designs for encoded qubits from coherent errors and syndrome measurements

Zihan Cheng, Eric Huang, Vedika Khemani +2

Unitary -designs are distributions of unitary gates that match the Haar distribution up to its -th statistical moment. They are a crucial resource for randomized quantum prot…

quant-ph2024★ 9 cited

Efficient preparation of Dicke states

Jeffery Yu, Sean R. Muleady, Yu-Xin Wang +3

We present an algorithm utilizing mid-circuit measurement and feedback that prepares Dicke states with polylogarithmically many ancillas and polylogarithmic depth. Our algorithm us…

cond-mat.mes-hall2024★ 10 cited

Modular Autonomous Virtualization System for Two-Dimensional Semiconductor Quantum Dot Arrays

Anantha S. Rao, Donovan Buterakos, Barnaby van Straaten +8

Arrays of gate-defined semiconductor quantum dots are among the leading candidates for building scalable quantum processors. High-fidelity initialization, control, and readout of s…

quant-ph2024★ 3 cited

String-Breaking Dynamics in Quantum Adiabatic and Diabatic Processes

Federica Maria Surace, Alessio Lerose, Or Katz +10

Confinement prohibits isolation of color charges, e.g., quarks, in nature via a process called string breaking: the separation of two charges results in an increase in the energy o…

quant-ph2024★ 5 cited

Letting the tiger out of its cage: bosonic coding without concatenation

Yijia Xu, Yixu Wang, Christophe Vuillot +1

Continuous-variable cat codes are encodings into a single photonic or phononic mode that offer a promising avenue for hardware-efficient fault-tolerant quantum computation. Protect…

physics.atom-ph2024★ 11 cited

Enhancement of Rydberg Blockade via Microwave Dressing

Deniz Kurdak, Patrick R. Banner, Yaxin Li +4

Experimental control over the strength and angular dependence of interactions between atoms is a key capability for advancing quantum technologies. Here, we use microwave dressing…

cond-mat.str-el2024★ 1 cited

Non-onsite symmetry breaking: topological phase coexistence and criticality

Zhehao Zhang, Yabo Li, Tsung-Cheng Lu

We explore the states of matter arising from the spontaneous symmetry breaking (SSB) of non-onsite symmetries. In one spatial dimension, we construct a frustration-f…

cond-mat.mes-hall2024★ 2 cited

Electrical Interconnects for Silicon Spin Qubits

Christopher David White, Anthony Sigillito, Michael J. Gullans

Scalable spin qubit devices will likely require long-range qubit interconnects. We propose to create such an interconnect with a resistive topgate. The topgate is positively biased…

quant-ph2024★ 5 cited

Geometric structure and transversal logic of quantum Reed-Muller codes

Alexander Barg, Nolan J. Coble, Dominik Hangleiter +1

Designing efficient and noise-tolerant quantum computation protocols generally begins with an understanding of quantum error-correcting codes and their native logical operations. T…

quant-ph2024

Observing tight triple uncertainty relations in two-qubit systems

Yan Wang, Jie Zhou, Xing-Yan Fan +8

As the fundamental tool in quantum information science, the uncertainty principle is essential for manifesting nonclassical properties of quantum systems. Plenty of efforts on the…

quant-ph2024★ 1 cited

Tessellation codes: encoded quantum gates by geometric rotation

Yixu Wang, Yijia Xu, Zi-Wen Liu

We utilize the symmetry groups of regular tessellations on two-dimensional surfaces of different constant curvatures, including spheres, Euclidean planes and hyperbolic planes, to…

quant-ph2024★ 3 cited

Suppressing chaos with mixed superconducting qubit devices

Ben Blain, Giampiero Marchegiani, Luigi Amico +1

In quantum information processing, a tension between two different tasks occurs: while qubits' states can be preserved by isolating them, quantum gates can be realized only through…

quant-ph2024

Fast-forwarding quantum algorithms for linear dissipative differential equations

Dong An, Akwum Onwunta, Gengzhi Yang

We establish improved complexity estimates of quantum algorithms for linear dissipative ordinary differential equations (ODEs) and show that the time dependence can be fast-forward…

quant-ph2024★ 1 cited

Instability of steady-state mixed-state symmetry-protected topological order to strong-to-weak spontaneous symmetry breaking

Jeet Shah, Christopher Fechisin, Yu-Xin Wang +6

Recent experimental progress in controlling open quantum systems enables the pursuit of mixed-state nonequilibrium quantum phases. We investigate whether open quantum systems hosti…

quant-ph2024★ 3 cited

Single-shot preparation of hypergraph product codes via dimension jump

Yifan Hong

Quantum error correction is a fundamental primitive of fault-tolerant quantum computing. But in order for error correction to proceed, one must first prepare the codespace of the u…

quant-ph2024★ 8 cited

Covariant Quantum Error-Correcting Codes with Metrological Entanglement Advantage

Cheng-Ju Lin, Zi-Wen Liu, Victor V. Albert +1

We show that a subset of the basis for the irreducible representations of a tensor-product SU(2) rotation forms a covariant approximate quantum error-correcting code with transvers…

quant-ph2024

Streaming Belief Propagation on Mixed-Alphabet Tanner Graphs for Practical Quantum Memory

Kao-Yueh Kuo, Ching-Yi Lai

Reliable quantum memory under circuit-level noise requires decoders that can process syndrome information continuously and at a rate comparable to its generation. In practical quan…

quant-ph2024★ 2 cited

Dynamically generated concatenated codes and their phase diagrams

Grace M. Sommers, David A. Huse, Michael J. Gullans

We formulate code concatenation as the action of a unitary quantum circuit on an expanding tree geometry and find that for certain classes of gates, applied identically at each nod…

quant-ph2024★ 1 cited

Effective Distance of Higher Dimensional HGPs and Weight-Reduced Quantum LDPC Codes

Shi Jie Samuel Tan, Lev Stambler

Quantum error correction plays a prominent role in the realization of quantum computation, and quantum low-density parity-check (qLDPC) codes are believed to be practically useful…