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A bilayer of Wigner crystal in the harmonic approximation

K Esfarjani and Y Kawazoe

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Using the harmonic approximation as a model to describe a bilayer of a Wigner crystal in wide quantum wells, we calculate the ground state properties and the phonon spectrum of this system as a function of the density and layer separation. A fitting formula is given for the ground state energy.


PACS

73.20.Qt Electron solids

78.20.-e Optical properties of bulk materials and thin films

63.20.Ry Anharmonic lattice modes

Subjects

Condensed matter: electrical, magnetic and optical

Surfaces, interfaces and thin films

Condensed matter: structural, mechanical & thermal

Dates

Issue 36 (4 September 1995)



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