695 citations
- Aalto UniversityFI73 papers
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Showing 2001 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2001
Three-body scattering problem and two-electron tunneling in molecular wires
A. S. Alexandrov, A. M. Bratkovsky, P. E. Kornilovitch
We solve the Lippmann-Schwinger equation describing elastic scattering of preformed pairs (e.g. bipolarons) off a short-range scattering center and find the two-particle transmissi…
cond-mat.str-el2001★ 23 cited
Breakdown of Migdal--Eliashberg theory via catastrophic vertex divergence at low phonon frequency
J. P. Hague, N. d'Ambrumenil
We investigate the applicability of Migdal--Eliashberg (ME) theory by revisiting Migdal's analysis within the dynamical mean-field theory framework. First, we compute spectral func…
cond-mat.str-el2001★ 9 cited
Angular dependence of novel magnetic quantum oscillations in a quasi-two-dimensional multiband Fermi liquid with impurities
A. M. Bratkovsky, A. S. Alexandrov
The semiclassical Lifshitz-Kosevich-type description is given for the angular dependence of quantum oscillations with combination frequencies in a multiband quasi-two-dimensional F…