Collisional relaxation in a fermionic gas

Details Collisional relaxation in a fermionic gas Collisional relaxation in a fermionic gas

1999-04-12

arxiv.org/abs/cond-mat/9904162v1

Physics

Condensed Matter

Statistical Mechanics

5 pages Revtex, 4 eps figure, to be publisced on PRA Rapid Com

Scientific paper

10.1103/PhysRevA.59.R4125

We propose a method to study the degeneracy of a trapped atomic gas of fermions through the relaxation of the motion of a test particle. In the degenerate regime, and for an energy of the test particle well below the Fermi energy, we show that the Fermi-Dirac statistics is responsible for a strong decrease of the relaxation rate. This method can be used to directly measure the temperature of the fermionic gas.

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