Two-dimensional Rashba metals: unconventional low-temperature transport properties
Valentina Brosco, Claudio Grimaldi, Emmanuele Cappelluti, Lara, Benfatto
TL;DR
This paper reviews the unique low-temperature electrical transport behaviors in two-dimensional Rashba metals with strong spin-orbit coupling, highlighting how structural asymmetry influences electron spin-momentum interactions.
Contribution
It provides a comprehensive overview of the unconventional dc transport properties in 2D Rashba metals and discusses the impact of thermal effects on these properties.
Findings
Unconventional low-temperature transport behaviors identified
Thermal broadening effects analyzed
Influence of structural inversion asymmetry elucidated
Abstract
Rashba spin-orbit coupling emerges in materials lacking of structural inversion symmetry, such as heterostructures, quantum wells, surface alloys and polar materials, just to mention few examples. It yields a coupling between the spin and momentum of electrons formally identical to that arising from the weakly-relativistic limit of the Dirac equation. The purpose of the present work is to give an overview of the unconventional dc transport properties of two-dimensional metals with strong Rashba spin-orbit coupling, discussing in addition the effects of thermal broadening.
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