Title: Energy transfer using unitary transformations
Authors: Naudts, Jan #
O'Kelly de Galway, Winny # ×
Issue Date: 7-Nov-2013
Publisher: Molecular Diversity Preservation International
Series Title: Entropy vol:15 issue:12 pages:5121-5143
Abstract: We study the unitary time evolution of a simple quantum Hamiltonian describing two harmonic oscillators coupled via a three-level system. The latter acts as an engine transferring energy from one oscillator to the other and is driven in a cyclic manner by time-dependent external fields. The S-matrix of the cycle is obtained in analytic form. The total number of quanta contained in the system is a conserved quantity. As a consequence the spectrum of the S-matrix is purely discrete and the evolution of the system is quasi-periodic.
ISSN: 1099-4300
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Theoretical Physics Section
× corresponding author
# (joint) last author

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