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Graphene Bilayer Structures with Superfluid Magnetoexcitons | | A.A. Pikalov
; D.V. Fil
; | | Date: |
3 Oct 2011 | | Abstract: | We study superfluid behavior of a gas of spatially indirect magnetoexcitons
with reference to a system of two graphene layers embedded in a multilayer
dielectric structure. The system is considered as an alternative of a double
quantum well in a GaAs haterostructure. We determine a range of parameters
(interlayer distance, dielectric constant, magnetic field and gate voltage)
where magnetoexciton superfluidity can be achieved. Temperature of superfluid
transition is computed. A reduction of critical parameters caused by impurities
is evaluated and critical impurity concentration is determined. | | Source: | arXiv, 1110.0419 | | Services: | Forum | Review | PDF | Favorites | |
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