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Effect of Disorder on Superconductivity in the Boson-fermion Model by Domanski, T.; Wysokinski, K. I is a scholarly article available to read on EtoBox.

What is Effect of Disorder on Superconductivity in the Boson-fermion Model about?

We study how a randomness of either boson or fermion site energies affects the superconducting phase of the boson fermion model. We find that, contrary to what is expected for s-wave superconductors, the non-magnetic disorder is detrimental to the s-wave superconductivity. However, depending in which subsystem the disorder is located, we can observe different channels being affected. Weak disorder of the fermion subsystem is responsible mainly for renormalization of the single particle density of states while disorder in the boson subsystem directly leads to fluctuation of the strength of the effective pairing between fermions.

Author

Domanski, T.; Wysokinski, K. I

Published

2002

Language

EN