Nodal Quasiparticles and Classical Phase Fluctuations in d-Wave Superconductors

K. V. Samokhin; B. Mitrović

doi:10.1103/PhysRevLett.92.057002

← Back to search

Nodal Quasiparticles and Classical Phase Fluctuations in d-Wave Superconductors

K. V. Samokhin, B. Mitrović

DOI 10.1103/PhysRevLett.92.057002 · Physical Review Letters

T1

Active bibliographic source — not scientific approval

Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.

Abstract

We show that the nodal quasiparticles have a significant effect on the classical phase fluctuations in a quasi-two-dimensional d-wave superconductor. They give rise to singularities in the temperature behavior of some of the coupling constants in the phase-only effective action. One of the consequences is that the classical XY model is not adequate for the description of the superconducting fluctuations in d-wave superconductors at low temperatures.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YBa2Cu3O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Bi2Sr2CaCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown