On the quantum Boltzmann equation

Abstract

We give a nonrigorous derivation of the nonlinear Boltzmann equation from the Schrodinger evolution of interacting fermions. The argument is based mainly on the assumption that a quasifree initial state satisfies a property called restricted quasifreeness in the weak coupling limit at any later time. By definition, a state is called restricted quasifree if the four-point and the eight-point functions of the state factorize in the same manner as in a quasifree state.

15 pages

References in corpus (1)

• Some Considerations on the derivation of the nonlinear Quantum Boltzmann Equation

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