Singularity of the vortex density of states in d-wave superconductors
- 1 November 1996
- journal article
- Published by Pleiades Publishing Ltd in JETP Letters
- Vol. 64 (9) , 690-694
- https://doi.org/10.1134/1.567283
Abstract
In d-wave superconductors, the electronic density of states (DOS) induced by a vortex exhibits a divergence at low energies: Nvortex(E) ∼1/|E|. This divergence is the result of gap nodes in the spectrum of excitation outside the vortex core. The heat capacity in two regimes, T2/Tc2≫B/Bc2 and T2/Tc2≪B/Bc2, is discussed.Keywords
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