Quasiprobabilities in quantum thermodynamics and many-body systems: A tutorial

S Gherardini, G De Chiara - arXiv preprint arXiv:2403.17138, 2024 - arxiv.org
Quasiprobabilities are mathematical quantities describing the statistics of measurement
outcomes evaluated at two or more times, which incorporate the incompatibility of the …

Properties and Applications of the Kirkwood-Dirac Distribution

DRM Arvidsson-Shukur, WF Braasch Jr… - arXiv preprint arXiv …, 2024 - arxiv.org
The most famous quasi-probability distribution, the Wigner function, has played a pivotal role
in the development of a continuous-variable quantum theory that has clear analogues of …

[HTML][HTML] Preparing quantum many-body scar states on quantum computers

EJ Gustafson, ACY Li, A Khan, J Kim… - Quantum, 2023 - quantum-journal.org
Quantum many-body scar states are highly excited eigenstates of many-body systems that
exhibit atypical entanglement and correlation properties relative to typical eigenstates at the …

Phase modulation of directed transport, energy diffusion, and quantum scrambling in a Floquet non-Hermitian system

WL Zhao, G Li, J Liu - Physical Review Research, 2024 - APS
We investigate both analytically and numerically the wavepacket's dynamics in momentum
space for a Floquet non-Hermitian system with a periodically kicked driven potential. We …

Quasiprobabilities in Quantum Thermodynamics and Many-Body Systems

S Gherardini, G De Chiara - PRX Quantum, 2024 - APS
In this tutorial, we present the definition, interpretation, and properties of some of the main
quasiprobabilities that can describe the statistics of measurement outcomes evaluated at …

Quadratic Growth of Out-of-Time-Ordered Correlators in Quantum Kicked Rotor Model

G Li, W Zhao - Entropy, 2024 - mdpi.com
We investigate both theoretically and numerically the dynamics of out-of-time-ordered
correlators (OTOCs) in quantum resonance conditions for a kicked rotor model. We employ …

Quantum information scrambling in adiabatically-driven critical systems

R Puebla, FJ Gómez-Ruiz - arXiv preprint arXiv:2408.02735, 2024 - arxiv.org
Quantum information scrambling refers to the spread of the initially stored information over
many degrees of freedom of a quantum many-body system. Information scrambling is …