Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session S57: Superconductivity: Unconventional Theories-III
8:00 AM–10:12 AM,
Thursday, March 17, 2022
Room: Hyatt Regency Hotel -Clark
Sponsoring
Unit:
DCMP
Chair: Yao Wang, Clemson University
Abstract: S57.00003 : Lifetime of Scattering of Quasiparticles by Dipolons for Muon Spin Relaxation Rates in High Temperature Superconductors via Dipolon Theory*
8:24 AM–8:36 AM
Presenter:
Ram R sharma
(University of Illinois at Chicago)
Author:
Ram R sharma
(University of Illinois at Chicago)
Collaboration:
Ram R Sharma
Ram R. Sharma,
University of Illinois at Chicago.
---
Category: Superconductivity (Theoretical)
Presentation: Oral
%***
ABSTRACT
ABSTRACT
We have investigated the mean lifetime of scattering of quasiparticles (QPs) by dipolons required to explain the muon spin relaxation rate (MSRR)
[1] in $YBa_2Cu_3O_{7-\delta}$ utilizing the dipolon theory
[2-5].Previously, we predicted first of all two new high energy kinks which were observed later on.
The theory uses the four momenta space diagrams in the dressed particle picture involvingthe QP Green's function, the dipolon propagator and screened electron-dipolon vertexThe evaluation of the self-energy reveals three processes are important:
(1)A QP is annihilated and a dipolon and a QP are created.
(2)A QP and a dipolon are annihilated and a QP is createdand
(3)Two QPs are annihilatedand a dipolon
is created.
(1) R. R. Sharma, "Theory of Dipolon
...",
Physipoetics Press,Lake Barrington, IL, 2021.
(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.
\end{document}
*N/A
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