Quantum condensation in electron-hole bilayers with density imbalance
Kazuo Yamashita, Kenichi Asano, Takuma Ohashi
TL;DR
This paper investigates quantum condensation phenomena in electron-hole bilayers with density imbalance, revealing that the Fulde-Ferrell state is stabilized through order parameter mixing at zero temperature.
Contribution
It demonstrates, using mean-field theory, that the Fulde-Ferrell state can be stabilized in imbalanced electron-hole bilayers due to order parameter mixing effects.
Findings
Fulde-Ferrell state stabilization in imbalanced systems
Order parameter mixing enhances quantum condensation
Zero-temperature analysis of electron-hole bilayers
Abstract
We study the two-dimensional spatially separated electron-hole system with density imbalance at absolute zero temperature. By means of the mean-field theory, we find that the Fulde-Ferrell state is fairly stabilized by the order parameter mixing effect.
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