Quantum metrology with nonclassical states of atomic ensembles

L Pezze, A Smerzi, MK Oberthaler, R Schmied… - Reviews of Modern …, 2018 - APS
Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …

Dynamical phase transitions in the collisionless pre-thermal states of isolated quantum systems: theory and experiments

J Marino, M Eckstein, MS Foster… - Reports on Progress in …, 2022 - iopscience.iop.org
We overview the concept of dynamical phase transitions (DPTs) in isolated quantum
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …

Krylov complexity in saddle-dominated scrambling

B Bhattacharjee, X Cao, P Nandy, T Pathak - Journal of High Energy …, 2022 - Springer
A bstract In semi-classical systems, the exponential growth of the out-of-time-order correlator
(OTOC) is believed to be the hallmark of quantum chaos. However, on several occasions, it …

[图书][B] Quantum Thermodynamics: An introduction to the thermodynamics of quantum information

S Deffner, S Campbell - 2019 - iopscience.iop.org
This book introduces the emerging field of quantum thermodynamics, with a focus on its
relation to quantum information and its implications for quantum computers and next …

[HTML][HTML] Out-of-equilibrium dynamics of quantum many-body systems with long-range interactions

N Defenu, A Lerose, S Pappalardi - Physics Reports, 2024 - Elsevier
Experimental progress in atomic, molecular, and optical platforms in the last decade has
stimulated strong and broad interest in the quantum coherent dynamics of many long-range …

Observation of pairwise level degeneracies and the quantum regime of the Arrhenius law in a double-well parametric oscillator

NE Frattini, RG Cortiñas, J Venkatraman, X Xiao, Q Su… - Physical Review X, 2024 - APS
By applying a microwave drive to a specially designed Josephson circuit, we have realized
a double-well model system: a Kerr oscillator submitted to a squeezing force. We have …

A brief history of time crystals

V Khemani, R Moessner, SL Sondhi - arXiv preprint arXiv:1910.10745, 2019 - arxiv.org
The idea of breaking time-translation symmetry has fascinated humanity at least since
ancient proposals of the perpetuum mobile. Unlike the breaking of other symmetries, such …

Photons walking the line: a quantum walk with adjustable coin operations

A Schreiber, KN Cassemiro, V Potoček, A Gábris… - Physical review …, 2010 - APS
We present the first robust implementation of a coined quantum walk over five steps using
only passive optical elements. By employing a fiber network loop we keep the amount of …

Discrete single-photon quantum walks with tunable decoherence

MA Broome, A Fedrizzi, BP Lanyon, I Kassal… - Physical review …, 2010 - APS
Quantum walks have a host of applications, ranging from quantum computing to the
simulation of biological systems. We present an intrinsically stable, deterministic …

Classical correlation and quantum discord in critical systems

MS Sarandy - Physical Review A—Atomic, Molecular, and Optical …, 2009 - APS
We discuss the behavior of quantum and classical pairwise correlations in critical systems,
with the quantumness of the correlations measured by the quantum discord. We analytically …