Fermi gas response to non-adiabatic switching of external potential

Details Fermi gas response to non-adiabatic switching of external potential Fermi gas response to non-adiabatic switching of external potential

2001-05-11

arxiv.org/abs/cond-mat/0105243v1

Phys. Rev. B 64, 245318 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

17 pages LaTeX2e,2 real postscript figures and 12 auxilary files: output from feynmp. Needs feynmp.sty to draw Feynman diagram

Scientific paper

10.1103/PhysRevB.64.245318

We compute analytically the distribution function P(E) for the energy E acquired by a Fermi gas after being subjected to an arbitrary time-dependent external potential (switching event). We relate the distribution function to a solution of a matrix Riemann-Hilbert problem and present explicit formulae for the low order cumulants of P(E). These general results are used to find the distribution of dissipated energy in a biased quantum point contact.

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