565 citations
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Showing 2012 · cond-mat.str-elShow all
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cond-mat.str-el2012
Robust Ground State and Artificial Gauge in DQW Exciton Condensates under Weak Magnetic Field
T. Hakioğlu, Ege Özgün, Mehmet Günay
Exciton condensate is a vast playground in studying a number of symmetries that are of high interest in the recent developments in topological condensed matter physics. In DQWs the…
cond-mat.str-el2012★ 7 cited
Current Response in Extended Systems as a Geometric Phase: Application to Variational Wavefunctions
Balázs Hetényi
The linear response theory for current is investigated in a variational context. Expressions are derived for the Drude and superfluid weights for general variational wavefunctions.…