Baza Publikacji Pracowników Politechniki Lubelskiej

Status:
Autorzy:	Martin Andrew M., Litak Grzegorz, Györffy Balazs L., Annett James F., Wysokiński Karol Izydor
Rok wydania:	1999
Wersja dokumentu:	Drukowana \| Elektroniczna
Język:	angielski
Numer czasopisma:	10
Wolumen/Tom:	60
Strony:	7523 - 7535
Impact Factor:	3,008
Web of Science® Times Cited:	33
Scopus® Cytowania:	37
Bazy:	Web of Science \| Scopus
Efekt badań statutowych	NIE
Materiał konferencyjny:	NIE
Publikacja OA:	NIE
Abstrakty:	angielski
	A coherent-potential approximation CPA is developed for s-wave and d-wave superconductivity in disordered systems. We show that the CPA formalism reproduces the standard pair breaking formula, the self-consistent Born approximation and the self-consistent T-matrix approximation in the appropriate limits. We implement the theory and compute Tc for s-wave and d-wave pairing using an attractive nearest-neighbor Hubbard model featuring both binary-alloy disorder and a uniform distribution of scattering site potentials. We determine the density of states and examine its consequences for low-temperature heat capacity.

Coherent potential approximation for d-wave superconductivity in disordered systems