Superconductivity in a correlated disordered two-dimensional electron gas

J. S. Thakur; D. Neilson

doi:10.1103/PhysRevB.58.13717

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Superconductivity in a correlated disordered two-dimensional electron gas

J. S. Thakur, D. Neilson

DOI 10.1103/PhysRevB.58.13717 · Physical Review B

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Abstract

We calculate the dynamic effective electron-electron interaction potential for a low-density disordered two-dimensional electron gas. The disordered response function is used to calculate the effective potential where the scattering rate is taken from typical mobilities from recent experiments. We investigate the development of an effective attractive pair potential for both disordered and disorder-free systems with correlations determined from existing numerical simulation data. The effect of disorder and correlations on the superconducting critical temperature Tc is discussed.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Si Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
GaAs/AlxGa1-xAs Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
SiGe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown