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Low-energy quasiparticle excitations in dirty d-wave superconductors and the Bogoliubov-de Gennes kicked rotator

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Adagideli, Inanc ; Jacquod, P.
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Date of publication of this fulltext: 05 Aug 2009 13:33


We investigate the quasiparticle density of states in disordered d-wave superconductors. By constructing a quantum map describing the quasiparticle dynamics in such a medium, we explore deviations of the density of states from its universal form ([proportional]E), and show that additional low-energy quasiparticle states exist provided (i) the range of the impurity potential is much larger than ...


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