A bound on quantum chaos from Random Matrix Theory with Gaussian Unitary Ensemble
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep05(2019)149
Abstract: A bstractIn this article, using the principles of Random Matrix Theory (RMT) with Gaussian Unitary Ensemble (GUE), we give a measure of quantum chaos by quantifying Spectral From Factor (SFF) appearing from the computation of… read more here.
Keywords: random matrix; chaos; matrix theory; sff ... See more keywords
Quantum chaos in the Brownian SYK model with large finite N : OTOCs and tripartite information
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep11(2019)038
Abstract: Abstract We consider the Brownian SYK model of N interacting Majorana fermions, with random couplings that are taken to vary independently at each time. We study the out-of-time-ordered correlators (OTOCs) of arbitrary observables and the… read more here.
Keywords: information; brownian syk; syk model; tripartite information ... See more keywords
Relativistic quantum chaos
Sign Up to like & getrecommendations! Published in 2018 at "Physics Reports"
DOI: 10.1016/j.physrep.2018.06.006
Abstract: Abstract Quantum chaos is generally referred to as the study of quantum manifestations or fingerprints of nonlinear dynamical and chaotic behaviors in the corresponding classical system, an interdisciplinary field that has been active for about… read more here.
Keywords: quantum; relativistic quantum; quantum chaos; physics ... See more keywords
Emergence of many-body quantum chaos via spontaneous breaking of unitarity
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.l140202
Abstract: It is suggested that many-body quantum chaos appears as the spontaneous symmetry breaking of unitarity in interacting quantum many-body systems. It has been shown that many-body level statistics, probed by the spectral form factor (SFF)… read more here.
Keywords: body quantum; many body; body; breaking unitarity ... See more keywords
Quantum chaos and physical distance between quantum states.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.103.042209
Abstract: We show that there is genuine chaos in quantum dynamics by introducing a physical distance between two quantum states. Qualitatively different from existing distances for quantum states, for example, the Fubini-Study distance, the physical distance… read more here.
Keywords: quantum states; distance; physical distance; quantum ... See more keywords
NMR studies of quantum chaos in a two-qubit kicked top.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.99.032219
Abstract: Quantum chaotic kicked top model is implemented experimentally in a two-qubit system comprising of a pair of spin-1/2 nuclei using nuclear magnetic resonance techniques. The essential nonlinear interaction was realized using indirect spin-spin coupling, while… read more here.
Keywords: kicked top; two qubit; nmr studies; qubit ... See more keywords
Topological Lower Bound on Quantum Chaos by Entanglement Growth.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.160601
Abstract: A fundamental result in modern quantum chaos theory is the Maldacena-Shenker-Stanford upper bound on the growth of out-of-time-order correlators, whose infinite-temperature limit is related to the operator-space entanglement entropy of the evolution operator. Here we… read more here.
Keywords: growth; bound; lower bound; quantum ... See more keywords
Maximal Quantum Chaos of the Critical Fermi Surface.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.060601
Abstract: We investigate the many-body quantum chaos of non-Fermi liquid states with Fermi surfaces in two spatial dimensions by computing their out-of-time-order correlation functions. Using a recently proposed large N theory for the critical Fermi surface,… read more here.
Keywords: fermi; chaos; critical fermi; fermi surface ... See more keywords
Probing Many-Body Quantum Chaos with Quantum Simulators
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review X"
DOI: 10.1103/physrevx.12.011018
Abstract: Lata Kh Joshi, 2, ∗ Andreas Elben, 2, 3, ∗ Amit Vikram, 5 Benôıt Vermersch, 2, 6 Victor Galitski, 5 and Peter Zoller 2 Center for Quantum Physics, University of Innsbruck, Innsbruck A-6020, Austria Institute… read more here.
Keywords: body quantum; many body; physics; quantum ... See more keywords
Signatures of Quantum Chaos of Rydberg-Dressed Bosons in a Triple-Well Potential
Sign Up to like & getrecommendations! Published in 2023 at "Atoms"
DOI: 10.3390/atoms11060089
Abstract: We studied signatures of quantum chaos in dynamics of Rydberg-dressed bosonic atoms held in a one-dimensional triple-well potential. Long-range nearest-neighbor and next-nearest-neighbor interactions, induced by laser dressing atoms to strongly interacting Rydberg states, drastically affect… read more here.
Keywords: well potential; chaos; signatures quantum; triple well ... See more keywords
Quantum Chaos, Random Matrices, and Irreversibility in Interacting Many-Body Quantum Systems
Sign Up to like & getrecommendations! Published in 2022 at "Entropy"
DOI: 10.3390/e24070959
Abstract: The Pauli master equation describes the statistical equilibration of a closed quantum system. Simplifying and generalizing an approach developed in two previous papers, we present a derivation of that equation using concepts developed in quantum… read more here.
Keywords: matrices irreversibility; random; chaos random; random matrices ... See more keywords