Coulomb blockade in metallic grains at large conductance

I. S. Beloborodov, A. V. Andreev

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4 Citations (Scopus)


We study Coulomb blockade effects in the thermodynamic quantities of a weakly disordered metallic grain coupled to a metallic lead by a tunneling contact with a large conductance gT. We consider the case of broken time-reversal symmetry and obtain expressions for both the ensemble averaged amplitude of the Coulomb blockade oscillations of the thermodynamic potential and the correlator of its mesoscopic fluctuations for a finite mean level spacing δ in the grain. We develop a method that allows for an exact evaluation of the functional integral arising from disorder averaging. The results and the method are applicable in the temperature range δ≪T≪EC.

Original languageEnglish
Article number195311
Pages (from-to)1953111-19531115
Number of pages15
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number19
Publication statusPublished - 15 May 2002
Externally publishedYes


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