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13 papers · 1 filter
Superfluidity of "dirty" indirect magnetoexcitons in coupled quantum wells in high magnetic field
Oleg L. Berman, Yurii E. Lozovik, David W. Snoke +1
Superfluidity in the quasi-two-dimensional (2D) system of spatially indirect magnetoexcitons in coupled quantum wells (CQW) and unbalanced two-layer electron system in high magneti…
Off-diagonal correlations of the Calogero-Sutherland model
G. E. Astrakharchik, D. M. Gangardt, Yu. E Lozovik +1
We study correlation functions of the Calogero-Sutherland model in the whole range of the interaction parameter. Using the replica method we obtain analytical expressions for the l…
Local density approximation for a perturbative equation of state
G. E. Astrakharchik
The knowledge of a series expansion of the equation of state provides a deep insight into the physical nature of a quantum system. Starting from a generic ``perturbative'' equation…
Momentum distribution and condensate fraction of a Fermi gas in the BCS-BEC crossover
G. E. Astrakharchik, J. Boronat, J. Casulleras +1
By using the diffusion Monte Carlo method we calculate the one- and two-body density matrix of an interacting Fermi gas at T=0 in the BCS-BEC crossover. Results for the momentum di…
Kinetic equation for a dense soliton gas
G. A. El, A. M. Kamchatnov
We propose a general method to derive kinetic equations for dense soliton gases in physical systems described by integrable nonlinear wave equations. The kinetic equation describes…
Spin-Hall effect on edge magnetization and electric conductance of a 2D semiconductor strip
A. G. Mal'shukov, L. Y. Wang, C. S. Chu +1
The intrinsic spin-Hall effect on spin accumulation and electric conductance in a diffusive regime of a 2D electron gas has been studied for a 2D strip of a finite width. It is sho…