Cavity-induced temperature control of a two-level system

Details Cavity-induced temperature control of a two-level system Cavity-induced temperature control of a two-level system

2007-11-29

arxiv.org/abs/0711.4705v1

Phys. Rev. A 76, 053819 (2007)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.76.053819

We consider a two-level atom interacting with a single mode of the electromagnetic field in a cavity within the Jaynes-Cummings model. Initially, the atom is thermal while the cavity is in a coherent state. The atom interacts with the cavity field for a fixed time. After removing the atom from the cavity and applying a laser pulse the atom will be in a thermal state again. Depending on the interaction time with the cavity field the final temperature can be varied over a large range. We discuss how this method can be used to cool the internal degrees of freedom of atoms and create heat baths suitable for studying thermodynamics at the nanoscale.

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