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Comparative study of screened inter-layer interactions in the Coulomb drag effect in bilayer electron systems
R. Asgari, B. Tanatar, B. Davoudi
Coulomb drag experiments in which the inter-layer resistivity is measured are important as they provide information on the Coulomb interactions in bilayer systems. When the layer d…
Many-body effective mass enhancement in a two-dimensional electron liquid
R. Asgari, B. Davoudi, M. Polini +3
Motivated by a large number of recent magnetotransport studies we have revisited the problem of the microscopic calculation of the quasiparticle effective mass in a paramagnetic tw…
Self-consistent Overhauser model for the pair distribution function of an electron gas at finite temperature
R. Asgari, M. Cardenas, M. Polini +2
We present calculations of the spin-averaged pair distribution function in a homogeneous gas of electrons moving in dimensionality D=3 or D=2 at finite temperature. The mode…
Quasiparticle self-energy and many-body effective mass enhancement in a two-dimensional electron liquid
R. Asgari, B. Davoudi, M. Polini +3
Motivated by a number of recent experimental studies we have revisited the problem of the microscopic calculation of the quasiparticle self-energy and many-body effective mass enha…
Effective mass enhancement in two-dimensional electron systems: the role of interaction and disorder effects
R. Asgari, B. Davoudi, B. Tanatar
Recent experiments on two-dimensional (2D) electron systems have found a sharp increase in the effective mass of electrons with decreasing electron density. In an effort to underst…
Correlation energy of a two-dimensional electron gas from static and dynamic exchange-correlation kernels
R. Asgari, M. Polini, B. Davoudi +1
We calculate the correlation energy of a two-dimensional homogeneous electron gas using several available approximations for the exchange-correlation kernel enter…