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Population Inversion by an Adiabatic Cycle in 1D Boson System

Authors:
Taksu Cheon
Atushi Tanaka

Keywords: Quantum mechanics; Quantum holonomy; Ultracold gases

Abstract:
In this paper, we show that an adiabatic cycle excites Bose particles confined in a one-dimensional box. We consider a cycle, during which a wall described by a $delta$-shaped potential is applied and its strength and position are slowly varied. When the system is initially prepared in the equilibrium ground state, the adiabatic cycle brings all bosons into the first excited one-particle state, leaving the system in a nonequilibrium state. The absorbed energy during the cycle is proportional to the number of bosons.

Pages: 1 to 5

Copyright: Copyright (c) IARIA, 2016

Publication date: July 24, 2016

Published in: conference

ISSN: 2308-3530

ISBN: 978-1-61208-495-4

Location: Nice, France

Dates: from July 24, 2016 to July 28, 2016