221 citations · 2.2k across the 53 of their papers we have counts for
53 papers
Jaynes--Cummings dynamics of fermionic heteronuclear dimers in the Mott regime
R. J. Lewis-Swan, K. V. Kheruntsyan
We formulate and exactly solve a model for coherent association and dissociation of fermionic heteronuclear dimers in the deep-lattice Mott regime. Starting from the onsite three-c…
Variational quantum state preparation within an entangle-rotate circuit framework for quantum-enhanced metrology in noisy systems
Juan C. Zuñiga Castro, Jeffrey Larson, Matt Menickelly +4
We investigate the generation of quantum states for precision metrology in noisy two-level systems. These states are obtained by optimizing a variational quantum circuit to maximiz…
Quantum simulation of the Dicke model in a two-dimensional ion crystal
Bryce Bullock, Sean R. Muleady, Jennifer F. Lilieholm +6
Quantum many-body systems driven far from equilibrium can exhibit phase transitions, chaos and entanglement, but probing these phenomena in large, nearly closed systems remains cha…
Universal Long-Time Behavior of the Quantum Fisher Information in Dynamical Quantum Phase Transitions
J. Mumford, R. J. Lewis-Swan
We investigate dynamical quantum phase transitions (DQPTs) in quantum systems that possess well-defined classical limits, focusing on the spinor Bose-Einstein condensate and the Li…
Programmable glassy dynamics using tunable disorder in tweezer arrays
Kaustav Mukherjee, Grant W. Biedermann, Robert J. Lewis-Swan
We propose a unifying framework for non-equilibrium relaxation dynamics in ensembles of positionally disordered interacting quantum spins based on the statistical properties, such…
Controlling the dynamical phase diagram of a spinor BEC using time-dependent potentials
Q. Guan, D. Blume, R. J. Lewis-Swan
We theoretically investigate the spin-mixing dynamics of a spinor BEC subject to a time-dependent confining potential. Our study provides a theory framework for the experimental re…
Bell correlations between momentum-entangled pairs of atoms
Y. S. Athreya, S. Kannan, X. T. Yan +4
Nonlocal entanglement between pair-correlated particles is a highly counter-intuitive aspect of quantum mechanics, where measurement on one particle can instantly affect the other,…
Characterizing the transition from topology to chaos in a kicked quantum system
J. Mumford, H. -Y. Xie, R. J. Lewis-Swan
This work theoretically investigates the transition from topology to chaos in a periodically driven system consisting of a quantum top coupled to a spin-1/2 particle. The system is…
Harnessing quantum chaos in spin-boson models for all-purpose quantum-enhanced sensing
Yicheng Zhang, Juan Zuniga Castro, Robert J. Lewis-Swan
Many-body quantum chaos has immense potential as a tool to accelerate the preparation of entangled states and overcome challenges due to decoherence and technical noise. Here, we s…
Time-resolved pairing gap spectroscopy in a quantum simulator of fermionic superfluidity inside an optical cavity
Dylan J. Young, Eric Yilun Song, Anjun Chu +6
We use an ensemble of laser-cooled strontium atoms in a high-finesse cavity to cleanly emulate the technique of rf spectroscopy employed in studies of BEC-BCS physics in fermionic…
Influence of disordered and anisotropic interactions on relaxation dynamics and propagation of correlations in tweezer arrays of Rydberg dipoles
Kaustav Mukherjee, Grant W. Biedermann, Robert J. Lewis-Swan
We theoretically investigate the out-of-equilibrium dynamics of irregular one- and two-dimensional arrays of Rydberg dipoles featuring spatially anisotropic interactions. Starting…
Challenges with Differentiable Quantum Dynamics
Sri Hari Krishna Narayanan, Michael Perlin, Robert Lewis-Swan +4
Differentiable quantum dynamics require automatic differentiation of a complex-valued initial value problem, which numerically integrates a system of ordinary differential equation…
Simulating a two component Bose-Hubbard model with imbalanced hopping in a Rydberg tweezer array
Y. Zhang, A. Gaddie, H-V. Do +2
Optical tweezer arrays of neutral atoms provide a versatile platform for quantum simulation due to the range of interactions and Hamiltonians that can be realized and explored. We…
Engineering Dynamical Phase Diagrams with Driven Lattices in Spinor Gases
Jared O. Austin-Harris, Zachary N. Hardesty-Shaw, Qingze Guan +4
We experimentally demonstrate that well-designed driven lattices are versatile tools to simultaneously tune multiple key parameters (namely spin-dependent interactions, spinor phas…
Nonlinear multi-state tunneling dynamics in a spinor Bose-Einstein condensate
Z. N. Hardesty-Shaw, Q. Guan, J. O. Austin-Harris +3
We present an experimental realization of dynamic self-trapping and non-exponential tunneling in a multi-state system consisting of ultracold sodium spinor gases confined in moving…
Observing dynamical phases of BCS superconductors in a cavity QED simulator
Dylan J. Young, Anjun Chu, Eric Yilun Song +7
In conventional Bardeen-Cooper-Schrieffer (BCS) superconductors, electrons with opposite momenta bind into Cooper pairs due to an attractive interaction mediated by phonons in the…
Ultra Narrow Linewidth Frequency Reference via Measurement and Feedback
Diego Barberena, Robert J. Lewis-Swan, Ana Maria Rey +1
The generation of very narrow linewidth light sources is of great importance in modern science. One such source is the superradiant laser, which relies on collectively interacting…
Manipulation of nonequilibrium spin dynamics of an ultracold gas in a moving optical lattice
Zachary N. Hardesty-Shaw, Qingze Guan, Jared O. Austin +3
The isolation and control of disparate degrees of freedom underpin quantum simulators. We advance the programmability of cold atom quantum simulators with a first realization of th…
A matter wave Rarity-Tapster interferometer to demonstrate non-locality
Kieran F. Thomas, Bryce M. Henson, Yu Wang +4
We present an experimentally viable approach to demonstrating quantum non-locality in a matter wave system via a Rarity-Tapster interferometer using two -wave scattering halos g…
Time-of-Flight Quantum Tomography of Single Atom Motion
M. O. Brown, S. R. Muleady, W. J. Dworschack +4
Time of flight is an intuitive way to determine the velocity of particles and lies at the heart of many capabilities ranging from mass spectrometry to fluid flow measurements. Here…
Bosonic pair production and squeezing for optical phase measurements in long-lived dipoles coupled to a cavity
Bhuvanesh Sundar, Diego Barberena, Asier Piñeiro Orioli +4
We propose to simulate bosonic pair creation using large arrays of long-lived dipoles with multilevel internal structure coupled to an undriven optical cavity. Entanglement between…
Fast generation of spin squeezing via resonant spin-boson coupling
Diego Barberena, Sean R. Muleady, John J. Bollinger +2
We propose protocols for the creation of useful entangled states in a system of spins collectively coupled to a bosonic mode, directly applicable to trapped-ion and cavity QED setu…
Engineering infinite-range SU() interactions with spin-orbit-coupled fermions in an optical lattice
Michael A. Perlin, Diego Barberena, Mikhail Mamaev +3
We study multilevel fermions in an optical lattice described by the Hubbard model with on site SU()-symmetric interactions. We show that in an appropriate parameter regime this…
Tailored generation of quantum states in an entangled spinor interferometer to overcome detection noise
Q. Guan, G. W. Biedermann, A. Schwettmann +1
We theoretically investigate how entangled atomic states generated via spin-changing collisions in a spinor Bose-Einstein condensate can be designed and controllably prepared for a…