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Digital Object Identifier (DOI) 10.1007/s00220-008-0449-x Commun. Math. Phys.
 

Summary: Digital Object Identifier (DOI) 10.1007/s00220-008-0449-x
Commun. Math. Phys.
Communications in
Mathematical
Physics
Fredholm Determinants and the Statistics
of Charge Transport
J. E. Avron1, S. Bachmann2, G. M. Graf2, I. Klich3
1 Department of Physics, Technion, 32000 Haifa, Israel
2 Theoretische Physik, ETH-Hönggerberg, 8093 Zürich, Switzerland. E-mail: gmgraf@itp.phys.ethz.ch
3 Condensed Matter Department, Caltech, MC 114-36, Pasadena, CA 91125, USA
Received: 1 May 2007 / Accepted: 20 August 2007
© Springer-Verlag 2008
Abstract: Using operator algebraic methods we show that the moment generating
function of charge transport in a system with infinitely many non-interacting Fermi-
ons is given by a determinant of a certain operator in the one-particle Hilbert space. The
formula is equivalent to a formula of Levitov and Lesovik in the finite dimensional case
and may be viewed as its regularized form in general. Our result embodies two tenets
often realized 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.

  

Source: Avron, Joseph - Physics Department, Technion, Israel Institute of Technology

 

Collections: Physics