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150 papers · 1 filter
Fast electronic relaxation in metal nanoclusters via excitation of coherent shape deformations: Circumventing a bottleneck
Vitaly V. Kresin, Yu. N. Ovchinnikov
Electron-phonon relaxation in size-quantized systems may become inhibited when the spacing of discrete electron energy levels exceeds the magnitude of the phonon frequency. We show…
Effect of nuclear quadrupole interactions on the dynamics of two-level systems in glasses
A. L. Burin, I. Ya. Polishchuk, P. Fulde +1
The standard tunneling model describes quite satisfactorily the thermal properties of amorphous solids at temperatures in terms of an ensemble of two-level systems possessin…
Multi-peaked localized states of DNLS in one and two dimensions
G. Kalosakas
Multi-peaked localized stationary solutions of the discrete nonlinear Schrodinger (DNLS) equation are presented in one (1D) and two (2D) dimensions. These are excited states of the…
Interplay between Zeeman interaction and spin-orbit coupling in a two-dimensional semiconductor system
Manuel Valin-Rodriguez, Rashid G. Nazmitdinov
We analyse the interplay between Dresselhaus, Bychkov-Rashba, and Zeeman interactions in a two-dimensional semiconductor quantum system under the action of a magnetic field. When a…
Comment on "Can one predict DNA Transcription Start Sites by Studying Bubbles?"
C. H. Choi, A. Usheva, G. Kalosakas +2
Comment on T.S. van Erp, S. Cuesta-Lopez, J.-G. Hagmann, and M. Peyrard, Phys. Rev. Lett. 95, 218104 (2005) [arXiv: physics/0508094].
Frozen local hole approximation
Elke Pahl, Uwe Birkenheuer
The frozen local hole approximation (FLHA) is an adiabatic approximation which is aimed to simplify the correlation calculations of valence and conduction bands of solids and polym…