We investigate interparticle correlations for two layers of charge-carrier liquid trapped in adjacent wells of a gallium arsenide heterostructures. We determine in the absence of appreciable tunneling the static polarizability, the pair correlation functions, and the local-field corrections both within a layer and between the layers. The liquid ground state has points of instability to states that are inhomogeneous in the density. An important result is that, in contrast with electron-electron layers, for electron-hole layers the interlayer correlations favor the formation of the inhomogeneous states. The pair correlation functions display unusual behavior near the points of instability.

Correlations in coupled layers of electrons and holes

NEILSON, DAVID
1994-01-01

Abstract

We investigate interparticle correlations for two layers of charge-carrier liquid trapped in adjacent wells of a gallium arsenide heterostructures. We determine in the absence of appreciable tunneling the static polarizability, the pair correlation functions, and the local-field corrections both within a layer and between the layers. The liquid ground state has points of instability to states that are inhomogeneous in the density. An important result is that, in contrast with electron-electron layers, for electron-hole layers the interlayer correlations favor the formation of the inhomogeneous states. The pair correlation functions display unusual behavior near the points of instability.
1994
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11581/242847
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