Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session L48: Superconductivity: Theories and Models
8:00 AM–11:00 AM,
Wednesday, March 4, 2020
Room: Mile High Ballroom 1A
Sponsoring
Unit:
DCMP
Chair: Peter Hirschfeld, University of Florida
Abstract: L48.00012 : Three Corollaries to the Three Laws of Electronic Thermal Conductivity of High Temperature Superconductors (HTSCs) via Dipolon Theory
Presenter:
Ram Sharma
(Univ of Illinois - Chicago)
Author:
Ram Sharma
(Univ of Illinois - Chicago)
Recently we discovered three laws [1] of
electronic thermal conductivity
(ETC) in HTSCs
via dipolon theory [2-5].
Previously, the dipolon
theory
predicted first of all
two new high energy kinks which were observed later on
experimentally.
Here we present three corollaries to the
three laws of ETC.
First corollary:
For HTSCs for which
$ \Delta (0) = \alpha T_C $,
the peak of the ETC is at
$T^{(p)}
=0.4 \alpha T_C$.
Second corollary:
If the superconducting energy gap
is destroyed, the peak of the ETC disappears.
Third corollary:
The peak of the ETC is not due to
the reduction of the scattering rate
though it enhances the ETC and shifts the peak
dependent on the variation of the scattering rate
with temperature.
These along with three laws [1]
explain clearly the origin and behavior of ETC in HTSCs.
(1) R. R. Sharma, Bull. Am. Phys. Soc. (2019).
(2) R. R. Sharma, Phy. Rev. {\bf B 63}, 054506 (2001).
(3) R. R. Sharma, Physica {\bf C 439}, 47 (2006).
(4) R. R. Sharma, Physica {\bf C 468}, 190 (2008).
(5) R. R. Sharma, "Dipolon Theory of Kink Structure
...", in "Superconducting ...", Ed. K. N. Courtlandt,
P. 81-100, Nova Sc, Pub., Inc., New York, 2009.
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