Superfluidity of a dilute gas of electron-hole pairs in a bilayer system

The stability conditions for a superfluid phase in double layer systems with pairing of spatially separated electrons and holes were studied in the low density limit, and the general expression for the collective excitation spectrum was obtained. It was shown that as the distance d between the layer...

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Veröffentlicht in:	Low temperature physics (Woodbury, N.Y.) N.Y.), 2016-09, Vol.42 (9), p.794-804
Hauptverfasser:	Fil, D. V., Shevchenko, S. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Carrier density Charge density Critical temperature Current carriers Dependence Dilution Excitation spectra Fluids Holes (electron deficiencies) Stability Superfluidity
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