532 citations · 1.8k across the 57 of their papers we have counts for
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Optimal Routing Protocols for Reconfigurable Atom Arrays
Nathan Constantinides, Ali Fahimniya, Dhruv Devulapalli +5
Neutral atom arrays have emerged as a promising platform for both analog and digital quantum processing. Recently, devices capable of reconfiguring arrays during quantum processes…
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…
Nonequilibrium universality of the nonreciprocally coupled model
Jeremy T. Young, Alexey V. Gorshkov, Mohammad Maghrebi
In this work, we investigate an important class of nonequilibrium dynamics in the form of nonreciprocal interactions. In particular, we study how nonreciprocal coupling between two…
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…
Fault-tolerant fermionic quantum computing
Alexander Schuckert, Eleanor Crane, Alexey V. Gorshkov +2
Simulating the dynamics of electrons and other fermionic particles in quantum chemistry, materials science, and high-energy physics is one of the most promising applications of fau…
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…
Observation of string-breaking dynamics in a quantum simulator
Arinjoy De, Alessio Lerose, De Luo +10
Spontaneous particle-pair formation is a fundamental phenomenon in nature. It can, for example, appear when the potential energy between two particles increases with separation, as…
Exponential entanglement advantage in sensing correlated noise
Yu-Xin Wang, Jacob Bringewatt, Alireza Seif +3
Correlated noise naturally arises in quantum systems due to, e.g., phase and amplitude fluctuations in global control or long-range correlations generated by a many-body sensing ta…
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…
Generalized geometric speed limits for quantum observables
Jacob Bringewatt, Zach Steffen, Martin A. Ritter +6
Leveraging quantum information geometry, we derive generalized quantum speed limits on the rate of change of the expectation values of observables. These bounds subsume and, for Hi…
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…
Hardware-efficient quantum error correction via concatenated bosonic qubits
Harald Putterman, Kyungjoo Noh, Connor T. Hann +118
In order to solve problems of practical importance, quantum computers will likely need to incorporate quantum error correction, where a logical qubit is redundantly encoded in many…
Strong interactions between integrated microresonators and alkali atomic vapors: towards single-atom, single-photon operation
Roy Zektzer, Xiyuan Lu, Khoi Tuan Hoang +9
Cavity quantum electrodynamics (cQED), the interaction of a two-level system with a high quality factor (Q) cavity, is a foundational building block in different architectures for…
Toward a 2D Local Implementation of Quantum LDPC Codes
Noah Berthusen, Dhruv Devulapalli, Eddie Schoute +4
Geometric locality is an important theoretical and practical factor for quantum low-density parity-check (qLDPC) codes which affects code performance and ease of physical realizati…
The Second Moment of Hafnians in Gaussian Boson Sampling
Adam Ehrenberg, Joseph T. Iosue, Abhinav Deshpande +2
Gaussian Boson Sampling is a popular method for experimental demonstrations of quantum advantage, but many subtleties remain in fully understanding its theoretical underpinnings. A…
Efficiently verifiable quantum advantage on near-term analog quantum simulators
Zhenning Liu, Dhruv Devulapalli, Dominik Hangleiter +4
Existing schemes for demonstrating quantum computational advantage are subject to various practical restrictions, including the hardness of verification and challenges in experimen…
Average Rényi Entanglement Entropy in Gaussian Boson Sampling
Jason Youm, Joseph T. Iosue, Adam Ehrenberg +2
Recently, many experiments have been conducted with the goal of demonstrating a quantum advantage over classical computation. One popular framework for these experiments is Gaussia…
Simulating Meson Scattering on Spin Quantum Simulators
Elizabeth R. Bennewitz, Brayden Ware, Alexander Schuckert +11
Studying high-energy collisions of composite particles, such as hadrons and nuclei, is an outstanding goal for quantum simulators. However, preparation of hadronic wave packets has…
Experimental roadmap for optimal state transfer and entanglement generation in power-law systems
Andrew Y. Guo, Jeremy T. Young, Ron Belyansky +2
Experimental systems with power-law interactions have recently garnered interest as promising platforms for quantum information processing. Such systems are capable of spreading en…
Estimation of Hamiltonian parameters from thermal states
Luis Pedro García-Pintos, Kishor Bharti, Jacob Bringewatt +4
We upper- and lower-bound the optimal precision with which one can estimate an unknown Hamiltonian parameter via measurements of Gibbs thermal states with a known temperature. The…
Long-lived topological time-crystalline order on a quantum processor
Liang Xiang, Wenjie Jiang, Zehang Bao +38
Topologically ordered phases of matter elude Landau's symmetry-breaking theory, featuring a variety of intriguing properties such as long-range entanglement and intrinsic robustnes…
Optimal function estimation with photonic quantum sensor networks
Jacob Bringewatt, Adam Ehrenberg, Tarushii Goel +1
The problem of optimally measuring an analytic function of unknown local parameters each linearly coupled to a qubit sensor is well understood, with applications ranging from field…