Physics – Quantum Physics
Scientific paper
2010-04-18
Physical Review A 81, 053820 (2010)
Physics
Quantum Physics
9 pages 2 figures, Revtex, Version accepted to be published in Physical Review A
Scientific paper
We study the time evolution of a superposition of product states of two dressed atoms in a spherical cavity in the situations of an arbitrarily large cavity (free space) and of a small one. In the large-cavity case, the system dissipates, whereas, for the small cavity, the system evolves in an oscillating way and never completely decays. We verify that the von Neumann entropy for such a system does not depend on time, nor on the size of the cavity
Granhen Edney R.
Linhares Cesar A.
Malbouisson Adolfo P. C.
Malbouisson J. M. C.
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