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Haldane exclusion statistics and the Boltzmann equation
Authors:R. K. Bhaduri  R. S. Bhalerao  M. V. N. Murthy
Affiliation:(1) Department of Physics and Astronomy, McMaster University, L8S 4M1 Hamilton, Ontario, Canada;(2) Theoretical Physics Group, Tata Institute of Fundamental Research, Colaba, 400 005 Bombay, India;(3) Institute of Mathematical Sciences, Taramani, 600 113 Madras, India
Abstract:
We generalize the collision term in the one-dimensional Boltzmann-Nordheim transport equation for quasiparticles that obey the Haldane exclusion statistics. For the equilibrium situation, this leads to the ldquogolden rulerdquo factor for quantum transitions. As an application of this, we calculate the density response function of a one-dimensional electron gas in a periodic potential, assuming that the particle-hole excitations are quasiparticles obeying the new statistics. We also calculate the relaxation time of a nuclear spin in a metal using the modified golden rule.
Keywords:Haldane exclusion statistics  Boltzmann equation  Fermigolden rule  density response function
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