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2012•Contributions to Plasma PhysicsRequires access

Collective Modes in Classical Mass‐Asymmetric Bilayers

K. I. Golden, G. Kalman, Péter Hartmann, Zoltán Donkó

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Abstract

Abstract Using the quasi‐localized charge approximation (QLCA), we analyze the effects of asymmetry on the long‐wavelength longitudinal collective mode dispersion in a variety of strongly correlated electronic bilayer liquids, most notably, the mass‐asymmetric electron‐hole bilayer in its Coulomb liquid and dipole liquid phases. We point out the marked differences between the strong coupling (QLCA) and weak coupling (random‐phase‐approximation) descriptions of the way the asymmetry affects the collective mode structure (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Abstract Using the quasi‐localized charge approximation (QLCA), we analyze the effects of asymmetry on the long‐wavelength longitudinal collective mode dispersion in a variety of strongly correlated electronic bilayer liquids, most notably, the mass‐asymmetric electron‐hole bilayer in its Coulomb liquid and dipole liquid phases. We point out the marked differences between the strong coupling (QLCA) and weak coupling (random‐phase‐approximation) descriptions of the way the asymmetry affects the collective mode structure (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Available abstract

Abstract Using the quasi‐localized charge approximation (QLCA), we analyze the effects of asymmetry on the long‐wavelength longitudinal collective mode dispersion in a variety of strongly correlated electronic bilayer liquids, most notably, the mass‐asymmetric electron‐hole bilayer in its Coulomb liquid and dipole liquid phases. We point out the marked differences between the strong coupling (QLCA) and weak coupling (random‐phase‐approximation) descriptions of the way the asymmetry affects the collective mode structure (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Key concepts: Asymmetry, Bilayer, Coulomb, Physics, Condensed matter physics, Dipole, Coupling (piping), Random phase approximation

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