07-109 Joseph E. Avron, Sven Bachmann, Gian Michele Graf, Israel Klich

Fredholm determinants and the statistics of charge transport (94K, Latex 2e with 2 PS figures) May 1, 07

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Abstract. Using operator algebraic methods we show that the moment generating function of charge transport in a system with infinitely many non-interacting Fermions is given by a determinant of a certain operator in the one-particle Hilbert space. The formula is equivalent to a formula of Levitov in the finite dimensional case and may be viewed as its regularized form in general. Our result embodies two fundamental principles in mesoscopic physics, namely, that the transport properties are essentially independent of the length of the leads and of the depth of the Fermi sea.

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