Entropy and temperature in finite isolated quantum systems
We investigate how the temperature calculated from the microcanonical entropy compares
with the canonical temperature for finite isolated quantum systems. We concentrate on …
with the canonical temperature for finite isolated quantum systems. We concentrate on …
Spacing ratio characterization of the spectra of directed random networks
Previous literature on random matrix and network science has traditionally employed
measures derived from nearest-neighbor level spacing distributions to characterize the …
measures derived from nearest-neighbor level spacing distributions to characterize the …
Signatures of quantum chaos in low-energy mixtures of few fermions
P Łydżba, T Sowiński - Physical Review A, 2022 - APS
The low-energy dynamics of mesoscopic systems strongly depends on the presence of
internal equilibration. For this reason, a better interpretation of ultracold atom experiments …
internal equilibration. For this reason, a better interpretation of ultracold atom experiments …
Normal mode analysis of spectra of random networks
G Torres-Vargas, R Fossion… - Physica A: Statistical …, 2020 - Elsevier
Several spectral fluctuation measures of random matrix theory (RMT) have been applied in
the study of spectral properties of networks. However, the calculation of those statistics …
the study of spectral properties of networks. However, the calculation of those statistics …
Crossover in nonstandard random-matrix spectral fluctuations without unfolding
G Torres-Vargas, JA Méndez-Bermúdez… - Physical Review E, 2018 - APS
Recently, singular value decomposition (SVD) was applied to standard Gaussian
ensembles of random-matrix theory to determine the scale invariance in spectral fluctuations …
ensembles of random-matrix theory to determine the scale invariance in spectral fluctuations …
Localization transitions in quadratic systems without quantum chaos
Transitions from delocalized to localized eigenstates have been extensively studied in both
quadratic and interacting models. The delocalized regime typically exhibits diffusion and …
quadratic and interacting models. The delocalized regime typically exhibits diffusion and …
Soliton-like structures in the spectrum and the corresponding eigenstates morphology for the quantum desymmetrized Sinai billiard
MR Sales, AL Azevedo, F Teston… - … Journal of Nonlinear …, 2021 - pubs.aip.org
By continuously varying certain geometric parameters γ of the totally desymmetrized
quantum Sinai billiard, we study the formation of the so-called soliton-like structures in the …
quantum Sinai billiard, we study the formation of the so-called soliton-like structures in the …
[HTML][HTML] Statistical fluctuations of negative parity levels in even mass nuclei
T Khatoni, H Sabri - Physics Letters B, 2021 - Elsevier
This study presents the first statistical analysis on the correlation of negative parity states. All
the available experimental data of 1− & 2− levels of the even mass nuclei in the 16≤ A≤ …
the available experimental data of 1− & 2− levels of the even mass nuclei in the 16≤ A≤ …
Random matrix theory tools for the predictive analysis of functional magnetic resonance imaging examinations
D Berger, GS Matharoo… - Journal of Medical …, 2023 - spiedigitallibrary.org
Purpose Random matrix theory (RMT) is an increasingly useful tool for understanding large,
complex systems. Prior studies have examined functional magnetic resonance imaging …
complex systems. Prior studies have examined functional magnetic resonance imaging …
[图书][B] Temperature and dissipation in finite quantum systems
PC Burke - 2023 - search.proquest.com
The ideas in this thesis are placed broadly within the context of many-body quantum
dynamics, an area of research that has gained significant interest in recent years due to …
dynamics, an area of research that has gained significant interest in recent years due to …