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Title: Ladder physics in the spin fermion model

Abstract

A link is established between the spin fermion (SF) model of the cuprates and the approach based on the analogy between the physics of doped Mott insulators in two dimensions and the physics of fermionic ladders. This enables one to use nonperturbative results derived for fermionic ladders to move beyond the large-N approximation in the SF model. Here, it is shown that the paramagnon exchange postulated in the SF model has exactly the right form to facilitate the emergence of the fully gapped d-Mott state in the region of the Brillouin zone at the hot spots of the Fermi surface. Hence, the SF model provides an adequate description of the pseudogap.

Authors:
 [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1372435
Alternate Identifier(s):
OSTI ID: 1358130
Report Number(s):
BNL-113912-2017-JA
Journal ID: ISSN 2469-9950; PRBMDO; R&D Project: PO015; KC0202030; TRN: US1702769
Grant/Contract Number:  
SC0012704; AC02-98CH10886
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 20; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Mott insulators; Superconductivity

Citation Formats

Tsvelik, A. M. Ladder physics in the spin fermion model. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.95.201112.
Tsvelik, A. M. Ladder physics in the spin fermion model. United States. doi:10.1103/PhysRevB.95.201112.
Tsvelik, A. M. Mon . "Ladder physics in the spin fermion model". United States. doi:10.1103/PhysRevB.95.201112. https://www.osti.gov/servlets/purl/1372435.
@article{osti_1372435,
title = {Ladder physics in the spin fermion model},
author = {Tsvelik, A. M.},
abstractNote = {A link is established between the spin fermion (SF) model of the cuprates and the approach based on the analogy between the physics of doped Mott insulators in two dimensions and the physics of fermionic ladders. This enables one to use nonperturbative results derived for fermionic ladders to move beyond the large-N approximation in the SF model. Here, it is shown that the paramagnon exchange postulated in the SF model has exactly the right form to facilitate the emergence of the fully gapped d-Mott state in the region of the Brillouin zone at the hot spots of the Fermi surface. Hence, the SF model provides an adequate description of the pseudogap.},
doi = {10.1103/PhysRevB.95.201112},
journal = {Physical Review B},
number = 20,
volume = 95,
place = {United States},
year = {2017},
month = {5}
}

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