PT-symmetric dynamical confinement: Fermi acceleration, quantum force and Berry phase
Quantum Physics
2024-05-21 v1 Quantum Gases
Abstract
We consider a quantum particle under the dynamical confinement caused by PT-symmetric box with a moving wall. The latter is described in terms of the time-dependent Schr\"{o}dinger equation obeying the time-dependent PT-symmetric boundary conditions. The class of the functions, describing time-dependence of the wall's position and keeping the system as PT-symmetric is found. Physically observable characteristics, such as average kinetic energy and the average quantum force are calculated as a function of time. Also, geometric phase is calculated for the harmonically oscillating wall regime. Experimental realization of the proposed model is discussed.
Cite
@article{arxiv.2403.18283,
title = {PT-symmetric dynamical confinement: Fermi acceleration, quantum force and Berry phase},
author = {S. Rakhmanov and C. Trunk and M. Znojil and D. Matrasulov},
journal= {arXiv preprint arXiv:2403.18283},
year = {2024}
}