Vorticity and the Nernst Effect in Cuprate Superconductors
N. P. Ong, Yayu Wang, S. Ono, Yoichi Ando, and S. Uchida
TL;DR
This paper reviews the vortex-Nernst effect in cuprate superconductors, emphasizing that the superconducting transition involves loss of phase coherence rather than amplitude, across three cuprate families.
Contribution
It provides a comprehensive review of vortex-Nernst effect measurements in cuprates and discusses the phase coherence destruction as the key transition mechanism.
Findings
Vortex-Nernst effect observed in three cuprate families
Superconducting transition linked to phase coherence loss
Supports phase fluctuation scenario in cuprates
Abstract
We present a review of the vortex-Nernst effect in the 3 cuprate families La_{2-x}Sr_xCuO_4, Bi_2Sr_2CaCu_2O_8, and YBa_2Cu_3O_{y}, and discuss the scenario that the superconducting transition in the hole-doped cuprates corresponds to the destruction of long-range phase coherence rather than the vanishing of the order-parameter amplitude.
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