Physics – Condensed Matter – Superconductivity
Scientific paper
1997-11-24
Phys. Rev B57 R8143 1998
Physics
Condensed Matter
Superconductivity
4 pages, 2 embedded figures
Scientific paper
10.1103/PhysRevB.57.R8143
We discuss the influence of lowest Landau level (LLL) fluctuations near H_{c2}(T) on flux lattice melting in YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO). We show that the specific heat step of the flux lattice melting transition in YBCO single crystals can be attributed largely to the degrees of freedom associated with LLL fluctuations. These degrees of freedom have already been shown to account for most of the latent heat. We also show that these results are a consequence of the correspondence between flux lattice melting and the onset of LLL fluctuations.
Pierson Stephen W.
Valls Oriol T.
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