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Fermi edge singularities in the mesoscopic regime: Anderson orthogonality catastrophe

Hentschel, Martina, Ullmo, Denis and Baranger, Harold U. (2005) Fermi edge singularities in the mesoscopic regime: Anderson orthogonality catastrophe. Phys. Rev. B 72 (6 Seit), 035310.

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For generic mesoscopic systems, such as quantum dots or nanoparticles, we study the Anderson orthogonality catastrophe (AOC) and Fermi-edge singularities in photoabsorption spectra in a series of two papers. In the present paper we focus on AOC for a finite number of particles in discrete energy levels where, in contrast to the bulk situation, AOC is not complete. Moreover, fluctuations ...


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Item type:Article
Date:7 July 2005
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
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Keywords:mesoscopic systems, Fermi level, catastrophe theory, photoexcitation, fluctuations, ground states, bound states, random processes, chaos, perturbation theory
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:9403
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