output
20122026
most citedLogical quantum processor based on reconfigurable atom arrays

1.1k citations

Showing 2019Show all

76 papers · 1 filter

quant-ph2019★ 151 cited

Observation of Domain Wall Confinement and Dynamics in a Quantum Simulator

W. L. Tan, P. Becker, F. Liu +11

Confinement is a ubiquitous mechanism in nature, whereby particles feel an attractive force that increases without bound as they separate. A prominent example is color confinement…

quant-ph2019★ 41 cited

Destructive Error Interference in Product-Formula Lattice Simulation

Minh C. Tran, Su-Kuan Chu, Yuan Su +2

Quantum computers can efficiently simulate the dynamics of quantum systems. In this paper, we study the cost of digitally simulating the dynamics of several physically relevant sys…

quant-ph2019★ 88 cited

Beyond Spontaneous Emission: Giant Atom Bounded in Continuum

Shangjie Guo, Yidan Wang, Thomas Purdy +1

The quantum coupling of individual superconducting qubits to microwave photons leads to remarkable experimental opportunities. Here we consider the phononic case where the qubit is…

physics.atom-ph2019★ 45 cited

Feshbach resonances in -wave three-body recombination within Fermi-Fermi mixtures of open-shell Li and closed-shell Yb atoms

Alaina Green, Hui Li, Jun Hui See Toh +6

We report on observations and modeling of interspecies magnetic Feshbach resonances in dilute ultracold mixtures of open-shell alkali-metal Li and closed-shell Yb atoms…

quant-ph2019★ 110 cited

Device-independent Randomness Expansion with Entangled Photons

Lynden K. Shalm, Yanbao Zhang, Joshua C. Bienfang +12

With the growing availability of experimental loophole-free Bell tests, it has become possible to implement a new class of device-independent random number generators whose output…

quant-ph2019★ 486 cited

A Theory of Trotter Error

Andrew M. Childs, Yuan Su, Minh C. Tran +2

The Lie-Trotter formula, together with its higher-order generalizations, provides a direct approach to decomposing the exponential of a sum of operators. Despite significant effort…

quant-ph2019★ 850 cited

Programmable Quantum Simulations of Spin Systems with Trapped Ions

C. Monroe, W. C. Campbell, L. -M. Duan +10

Laser-cooled and trapped atomic ions form an ideal standard for the simulation of interacting quantum spin models. Effective spins are represented by appropriate internal energy le…

quant-ph2019★ 247 cited

Quantum Computer Systems for Scientific Discovery

Yuri Alexeev, Dave Bacon, Kenneth R. Brown +21

The great promise of quantum computers comes with the dual challenges of building them and finding their useful applications. We argue that these two challenges should be considere…

cond-mat.str-el2019★ 214 cited

Hilbert-Space Fragmentation from Strict Confinement

Zhi-Cheng Yang, Fangli Liu, Alexey V. Gorshkov +1

We study one-dimensional spin-1/2 models in which strict confinement of Ising domain walls leads to the fragmentation of Hilbert space into exponentially many disconnected subspace…

cond-mat.dis-nn2019★ 29 cited

Quenched vs Annealed: Glassiness from SK to SYK

C. L. Baldwin, B. Swingle

We show that any SYK-like model with finite-body interactions among \textit{local} degrees of freedom, e.g., bosons or spins, has a fundamental difference from the standard fermion…

quant-ph2019★ 144 cited

Quantum Computing at the Frontiers of Biological Sciences

Prashant S. Emani, Jonathan Warrell, Alan Anticevic +15

The search for meaningful structure in biological data has relied on cutting-edge advances in computational technology and data science methods. However, challenges arise as we pus…

cond-mat.stat-mech2019★ 83 cited

Real-time dynamics of string breaking in quantum spin chains

Roberto Verdel, Fangli Liu, Seth Whitsitt +2

String breaking is a central dynamical process in theories featuring confinement, where a string connecting two charges decays at the expense of the creation of new particle-antipa…

quant-ph2019★ 63 cited

Quantum Gravity in the Lab: Teleportation by Size and Traversable Wormholes

Adam R. Brown, Hrant Gharibyan, Stefan Leichenauer +6

With the long-term goal of studying models of quantum gravity in the lab, we propose holographic teleportation protocols that can be readily executed in table-top experiments. Thes…

cond-mat.str-el2019★ 11 cited

Unitary Subharmonic Response and Floquet Majorana Modes

Oles Shtanko, Ramis Movassagh

Detection and manipulation of excitations with non-Abelian statistics, such as Majorana fermions, are essential for creating topological quantum computers. To this end, we show the…

quant-ph2019★ 40 cited

Operational Resource Theory of Nonclassicality via Quantum Metrology

Wenchao Ge, Kurt Jacobs, Saeed Asiri +2

The nonclassical properties of quantum states are of tremendous interest due to their potential applications in future technologies. It has recently been realized that the concept…

quant-ph2019★ 9 cited

Constant-sized correlations are sufficient to robustly self-test maximally entangled states with unbounded dimension

Honghao Fu

We show that for any prime odd integer , there exists a correlation of size that can robustly self-test a maximally entangled state of dimension , where is the…

quant-ph2019★ 54 cited

Quantum Wasserstein Generative Adversarial Networks

Shouvanik Chakrabarti, Yiming Huang, Tongyang Li +2

The study of quantum generative models is well-motivated, not only because of its importance in quantum machine learning and quantum chemistry but also because of the perspective o…

cond-mat.str-el2019★ 4 cited

Quantum Lifshitz criticality in a frustrated two-dimensional XY model

Yaroslav A. Kharkov, Jaan Oitmaa, Oleg P. Sushkov

Antiferromagnetic quantum spin systems can exhibit a transition between collinear and spiral ground states, driven by frustration. Classically this is a smooth crossover and the cr…

quant-ph2019★ 15 cited

Efficient simulation of random states and random unitaries

Gorjan Alagic, Christian Majenz, Alexander Russell

We consider the problem of efficiently simulating random quantum states and random unitary operators, in a manner which is convincing to unbounded adversaries with black-box oracle…

quant-ph2019★ 14 cited

On the nature of the non-equilibrium phase transition in the non-Markovian driven Dicke model

Rex Lundgren, Alexey V. Gorshkov, Mohammad F. Maghrebi

The Dicke model famously exhibits a phase transition to a superradiant phase with a macroscopic population of photons and is realized in multiple settings in open quantum systems.…

quant-ph2019★ 111 cited

Quantum Simulation of Hyperbolic Space with Circuit Quantum Electrodynamics: From Graphs to Geometry

Igor Boettcher, Przemyslaw Bienias, Ron Belyansky +2

We show how quantum many-body systems on hyperbolic lattices with nearest-neighbor hopping and local interactions can be mapped onto quantum field theories in continuous negatively…

quant-ph2019★ 21 cited

Back-action evading impulse measurement with mechanical quantum sensors

Sohitri Ghosh, Daniel Carney, Peter Shawhan +1

The quantum measurement of any observable naturally leads to noise added by the act of measurement. Approaches to evade or reduce this noise can lead to substantial improvements in…

quant-ph2019★ 67 cited

Optimal fermion-to-qubit mapping via ternary trees with applications to reduced quantum states learning

Zhang Jiang, Amir Kalev, Wojciech Mruczkiewicz +1

We introduce a fermion-to-qubit mapping defined on ternary trees, where any single Majorana operator on an -mode fermionic system is mapped to a multi-qubit Pauli operator actin…

cond-mat.quant-gas2019★ 28 cited

Non-equilibrium criticality in quench dynamics of infinite-range spin models

Paraj Titum, Mohammad F. Maghrebi

Long-range interacting spin systems are ubiquitous in physics and exhibit a variety of ground state disorder-to-order phase transitions. We consider a prototype of infinite-range i…