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Two-dimensional electronic transport on the surface of 3D topological insulators
Qiuzi Li, E. Rossi, S. Das Sarma
We present a theoretical approach to describe the 2D transport properties of the surfaces of three dimensional topological insulators (3DTIs) including disorder and phonon scatteri…
A Majorana smoking gun for the superconductor-semiconductor hybrid topological system
S. Das Sarma, Jay D. Sau, Tudor D. Stanescu
Recent observations of a zero bias conductance peak in tunneling transport measurements in superconductor--semiconductor nanowire devices provide evidence for the predicted zero--e…
Finite temperature inelastic mean free path and quasiparticle lifetime in graphene
Qiuzi Li, S. Das Sarma
We adopt the GW approximation and random phase approximation to study finite temperature effects on the inelastic mean free path and quasiparticle lifetime by directly calculating…
Density dependent electrical conductivity in suspended graphene: Approaching the Dirac point in transport
S. Das Sarma, E. H. Hwang
We theoretically consider, comparing with the existing experimental literature, the electrical conductivity of gated monolayer graphene as a function of carrier density, temperatur…
Valley-dependent 2D transport in Si-MOSFETs
E. H. Hwang, S. Das Sarma
Motivated by interesting recent experimental results, we consider theoretically charged-impurity scattering-limited 2D electronic transport in (100), (110), and (111)-Si inversion…
2D compressibility of surface states on 3D topological insulators
D. S. L. Abergel, S. Das Sarma
We develop a theory for the compressibility of the surface states of 3D topological insulators and propose that surface probes of the compressibility via scanning single electron t…