204 citations · 1.1k across the 45 of their papers we have counts for
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cond-mat.mes-hall2010★ 7 cited
Gradient Catastrophe and Fermi Edge Resonances in Fermi Gas
Eldad Bettelheim, Yitzhak Kaplan, Paul B. Wiegmann
A smooth spatial disturbance of the Fermi surface in a Fermi gas inevitably becomes sharp. This phenomenon, called {\it the gradient catastrophe}, causes the breakdown of a Fermi s…
cond-mat.supr-con2010★ 3 cited
Multi-condensate states in BCS superconductors
Eldad Bettelheim
A BCS (Bardeen-Cooper-Schrieffer) superconductor, which is placed out of equilibrium, can develop quantum instabilities, which manifest themselves in oscillations of the supercondu…