Results 41 to 50 of about 1,616,136 (229)
Complexity from the reduced density matrix: a new diagnostic for chaos
Journal of High Energy Physics, 2021 We investigate circuit complexity to characterize chaos in multiparticle quantum systems. In the process, we take a stride to analyze open quantum systems by using complexity.
Arpan Bhattacharyya +2 more
doaj +1 more source
Quantum instantons and quantum chaos [PDF]
Physics Letters A, 2001 Extended version with new figures. Text (LaTeX), 5 Figures (epsi files)
Jirari, H. +4 more
openaire +2 more sources
Universality and its limits in non-Hermitian many-body quantum chaos using the Sachdev-Ye-Kitaev model [PDF]
Physical Review D, 2022 Spectral rigidity in Hermitian quantum chaotic systems signals the presence of dynamical universal features at timescales that can be much shorter than the Heisenberg time. We study the analog of this timescale in many-body non-Hermitian quantum chaos by
Antonio M. Garc'ia-Garc'ia +2 more
semanticscholar +1 more source
Localization challenges quantum chaos in the finite two-dimensional Anderson model [PDF]
Physical review B, 2022 It is believed that the two-dimensional (2D) Anderson model exhibits localization for any nonzero disorder in the thermodynamic limit and it is also well known that the finite-size effects are considerable in the weak disorder limit.
Jan Šuntajs, T. Prosen, L. Vidmar
semanticscholar +1 more source
Chaos and Quantum Mechanics [PDF]
Annals of the New York Academy of Sciences, 2005 Abstract:The relationship between chaos and quantum mechanics has been somewhat uneasy—even stormy, in the minds of some people. However, much of the confusion may stem from inappropriate comparisons using formal analyses. In contrast, our starting point here is that a complete dynamical description requires a full understanding of the evolution ...
Habib, Salman +5 more
openaire +3 more sources
Quantum chaos in 2D gravity [PDF]
SciPost Physics, 2022 We present a quantitative and fully non-perturbative description of the ergodic phase of quantum chaos in the setting of two-dimensional gravity. To this end we describe the doubly non-perturbative completion of semiclassical 2D gravity in terms of its ...
A. Altland +4 more
semanticscholar +1 more source
Physics Open, 2019 Previous work in the field of relativistic quantum chaos has revealed initial evidence that the manifestations of classical chaos in relativistic quantum systems tend to be weakened as compared with those in nonrelativistic quantum systems. To place this
Chen-Di Han +3 more
doaj +1 more source
Emergent Quantum State Designs from Individual Many-Body Wave Functions
PRX Quantum, 2023 Quantum chaos in many-body systems provides a bridge between statistical and quantum physics with strong predictive power. This framework is valuable for analyzing properties of complex quantum systems such as energy spectra and the dynamics of ...
Jordan S. Cotler +7 more
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Impact of Clifford operations on non-stabilizing power and quantum chaos [PDF]
QuantumNon-stabilizerness, alongside entanglement, is a crucial ingredient for fault-tolerant quantum computation and achieving a genuine quantum advantage.
Naga Dileep Varikuti +2 more
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Many-Body Quantum Chaos and Emergence of Ginibre Ensemble. [PDF]
Physical Review Letters, 2022 We show that non-Hermitian Ginibre random matrix behaviors emerge in spatially extended many-body quantum chaotic systems in the space direction, just as Hermitian random matrix behaviors emerge in chaotic systems in the time direction.
S. Shivam +3 more
semanticscholar +1 more source