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Collective modes in interacting two-dimensional tomographic Fermi liquids
Johannes Hofmann, Sankar Das Sarma
We develop an analytically solvable model for interacting two-dimensional Fermi liquids with separate collisional relaxation rates for parity-odd and parity-even Fermi surface defo…
Hydrodynamics, viscous electron fluid, and Wiedeman-Franz law in 2D semiconductors
Seongjin Ahn, Sankar Das Sarma
Considering theoretically the transition between hydrodynamic and ballistic regimes in 2D semiconductors, we show that electrons in high-mobility 2D GaAs are by far the best system…
Disorder Suppression in Topological Semiconductor-Superconductor Junctions
Stuart N. Thomas, Sankar Das Sarma, Jay D. Sau
Disorder in a proximitizing bulk superconductor can scatter quasiparticles in a putative topological superconductor and eventually destroy the topological superconducting state. We…
Anderson localization crossover in 2D Si systems: The past and the present
Seongjin Ahn, Sankar Das Sarma
Using Ioffe-Regel-Mott (IRM) criterion for strong localization crossover in disordered doped 2D electron systems, we theoretically study the relationships among the three key exper…