62 citations · 281 across the 17 of their papers we have counts for
4 papers · 1 filter
Residual Coulomb interaction fluctuations in chaotic systems: the boundary, random plane waves, and semiclassical theory
Steven Tomsovic, Denis Ullmo, Arnd Baecker
New fluctuation properties arise in problems where both spatial integration and energy summation are necessary ingredients. The quintessential example is given by the short-range a…
Fermi Edge Singularities in the Mesoscopic Regime: II. Photo-absorption Spectra
M. Hentschel, D. Ullmo, H. U. Baranger
We study Fermi edge singularities in photo-absorption spectra of generic mesoscopic systems such as quantum dots or nanoparticles. We predict deviations from macroscopic-metallic b…
Many-body effects in the mesoscopic x-ray edge problem
Martina Hentschel, Georg Roeder, Denis Ullmo
Many-body phenomena, a key interest in the investigation of bulk solid state systems, are studied here in the context of the x-ray edge problem for mesoscopic systems. We investiga…
Incipient Wigner Localization in Circular Quantum Dots
Amit Ghosal, A. D. Guclu, C. J. Umrigar +2
We study the development of electron-electron correlations in circular quantum dots as the density is decreased. We consider a wide range of both electron number, N<=20, and electr…