40.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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36 papers · 2 filters
Driven-Dissipative Quantum Dynamics in Ultra Long-lived Dipoles in an Optical Cavity
Diego Barberena, Robert J. Lewis-Swan, James K. Thompson +1
We study the quantum dynamics of many-body arrays of two-level atoms in a driven cavity subject to collective decay and interactions mediated by the cavity field. We work in the ba…
Quantum amplification of mechanical oscillator motion
S. C. Burd, R. Srinivas, J. J. Bollinger +5
Detection of the weakest forces in nature and the search for new physics are aided by increasingly sensitive measurements of the motion of mechanical oscillators. However, the atta…
Approximate exchange-only entangling gates for the three-spin- decoherence-free subsystem
James. R. van Meter, Emanuel Knill
The three-spin- decoherence-free subsystem defines a logical qubit protected from collective noise and supports exchange-only universal gates. Such logical qubits are well-sui…
Experimental Low-Latency Device-Independent Quantum Randomness
Yanbao Zhang, Lynden K. Shalm, Joshua C. Bienfang +10
Applications of randomness such as private key generation and public randomness beacons require small blocks of certified random bits on demand. Device-independent quantum random n…
Cluster State Generation with Spin-Orbit Coupled Fermionic Atoms in Optical Lattices
Mikhail Mamaev, Rainer Blatt, Jun Ye +1
Measurement-based quantum computation, an alternative paradigm for quantum information processing, uses simple measurements on qubits prepared in cluster states, a class of multipa…
Quantum Virtual Cooling
Jordan Cotler, Soonwon Choi, Alexander Lukin +10
We propose a quantum information based scheme to reduce the temperature of quantum many-body systems, and access regimes beyond the current capability of conventional cooling techn…
Trapped-ion spin-motion coupling with microwaves and a near-motional oscillating magnetic field gradient
R. Srinivas, S. C. Burd, R. T. Sutherland +5
We present a new method of spin-motion coupling for trapped ions using microwaves and a magnetic field gradient oscillating close to the ions' motional frequency. We demonstrate an…
Certifying Quantum Randomness by Probability Estimation
Yanbao Zhang, Emanuel Knill, Peter Bierhorst
We introduce probability estimation, a broadly applicable framework to certify randomness in a finite sequence of measurement results without assuming that these results are indepe…
Digitizing Gauge Fields: Lattice Monte Carlo Results for Future Quantum Computers
Daniel C. Hackett, Kiel Howe, Ciaran Hughes +3
In the near-future noisy intermediate-scale quantum (NISQ) era of quantum computing technology, applications of quantum computing will be limited to calculations of very modest sca…
Dynamical phase transitions to optomechanical superradiance
Simon B. Jäger, John Cooper, Murray J. Holland +1
We theoretically analyze superradiant emission of light from an ultracold gas of bosonic atoms confined in a bad cavity. A metastable dipolar transition of the atoms couples to the…
Monotonicity Under Local Operations: Linear Entropic Formulas
Mohammad A. Alhejji, Graeme Smith
All correlation measures, classical and quantum, must be monotonic under local operations. In this paper, we characterize monotonic formulas that are linear combinations of the von…
Indefinite causal order enables perfect quantum communication with zero capacity channels
Giulio Chiribella, Manik Banik, Some Sankar Bhattacharya +6
Quantum mechanics is compatible with scenarios where the relative order between two events can be indefinite. Here we show that two independent instances of a noisy process can beh…
Versatile laser-free trapped-ion entangling gates
R. T. Sutherland, R. Srinivas, S. C. Burd +6
We present a general theory for laser-free entangling gates with trapped-ion hyperfine qubits, using either static or oscillating magnetic-field gradients combined with a pair of u…
Conservation of torus-knot angular momentum in high-order harmonic generation
Emilio Pisanty, Laura Rego, Julio San Román +7
High-order harmonic generation stands as a unique nonlinear optical up-conversion process, mediated by a laser-driven electron recollision mechanism, which has been shown to conser…
Design of an on-chip superconducting microwave circulator with octave bandwidth
Benjamin J. Chapman, Eric I. Rosenthal, K. W. Lehnert
We present a design for a superconducting, on-chip circulator composed of dynamically modulated transfer switches and delays. Design goals are set for the multiplexed readout of su…
Modeling near ground-state cooling of two-dimensional ion crystals in a Penning trap using electromagnetically induced transparency
Athreya Shankar, Elena Jordan, Kevin A. Gilmore +3
Penning traps, with their ability to control planar crystals of tens to hundreds of ions, are versatile quantum simulators. Thermal occupations of the motional drumhead modes, tran…
Asymptotic performance of port-based teleportation
Matthias Christandl, Felix Leditzky, Christian Majenz +3
Quantum teleportation is one of the fundamental building blocks of quantum Shannon theory. While ordinary teleportation is simple and efficient, port-based teleportation (PBT) enab…
Gauge Structures: From Stabilizer Codes to Continuum Models
Albert T. Schmitz
Stabilizer codes are a powerful method for implementing fault-tolerant quantum memory and in the case of topological codes, they form useful models for topological phases of matter…
Squeezed vacuum used to accelerate the search for a weak classical signal
M. Malnou, D. A. Palken, B. M. Brubaker +3
Many experiments that interrogate fundamental theories require detectors whose sensitivities are limited by the laws of quantum mechanics. In cavity-based searches for axionic dark…
Quantum Lyapunov Spectrum
Hrant Gharibyan, Masanori Hanada, Brian Swingle +1
We introduce a simple quantum generalization of the spectrum of classical Lyapunov exponents. We apply it to the SYK and XXZ models, and study the Lyapunov growth and entropy produ…
Multiworm algorithm quantum Monte Carlo
F. Lingua, B. Capogrosso-Sansone, A. Safavi-Naini +2
We review the path-integral quantum Monte Carlo method and discuss its implementation by multiworm algorithms. We analyze in details the features of the algorithms, and focus our a…
Unifying fast scrambling, thermalization and entanglement through the measurement of FOTOCs in the Dicke model
R. J. Lewis-Swan, A. Safavi-Naini, J. J. Bollinger +1
Scrambling of quantum information is the process by which information initially stored in the local degrees of freedom of a quantum many-body system spreads over its many-body degr…
Verification of a many-ion simulator of the Dicke model through slow quenches across a phase transition
A. Safavi-Naini, R. J. Lewis-Swan, J. G. Bohnet +7
We use a self-assembled two-dimensional Coulomb crystal of ions in the presence of an external transverse field to engineer a simulator of the Dicke Hamiltonian, an iconi…
Laser Cooling by Sawtooth Wave Adiabatic Passage
John P. Bartolotta, Matthew A. Norcia, Julia R. K. Cline +2
We provide a theoretical analysis for a recently demonstrated cooling method. Two-level particles undergo successive adiabatic transfers upon interaction with counter-propagating l…