Correlation Functions and Coulomb Blockade of Interacting Fermions at Finite Temperature and Size

Abstract

We present explicit expressions for the correlation functions of interacting fermions in one dimension which are valid for arbitrary system sizes and temperatures. The result applies to a number of very different strongly correlated systems, including mesoscopic quantum wires, quantum Hall edges, spin chains and quasi-one-dimensional metals. It is for example possible to calculate Coulomb blockade oscillations from our expression and determine their dependence on interaction strength and temperature. Numerical simulations show excellent agreement with the analytical results.

10 pages in revtex format including 2 embedded figures (using epsf). The latest complete postscript file is available from http://fy.chalmers.se/~eggert/papers/corrfcn.ps or by request from [email protected]

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