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Evolution of Atom and Field Linear Entropies
Author: ZhaoJie
Tutor: GuoHong
School: Central China Normal University
Course: Optics
Keywords: quantum optics JaynesCummings model linear entropy graybody field
CLC: O431.2
Type: Master's thesis
Year: 2006
Downloads: 65
Quote: 0
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Abstract
The linear entropies of atom and field in a twolevel atomfield coupling system are investigated. The effects of the atomic initial state on the two linear entropies are discussed . For a coherent field, at the half periodic points of the revivals of the atomic population, the atom evolves into a pure state when the field is strong, while the field linear entropy is directly affected by the initial linear entropy of the atom. For a graybody field, the phenomenon of revival and collapse is also appeared in the atomic linear entropy under appropriate conditions; however, in this case, the atom develops into a maximally mixed state when its population collapses.

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CLC: > Mathematical sciences and chemical > Physics > Optics > The light nature of the theory > Quantum optics
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