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Low-Energy Models for Correlated Materials: Bandwidth Renormalization from Coulombic Screening

Casula, M. ; Werner, Ph. ; Vaugier, L. ; Aryasetiawan, Ferdi LU ; Miyake, T. ; Millis, A. J. and Biermann, S. (2012) In Physical Review Letters 109(12).
Abstract
We provide a prescription for constructing Hamiltonians representing the low-energy physics of correlated electron materials with dynamically screened Coulomb interactions. The key feature is a renormalization of the hopping and hybridization parameters by the processes that lead to the dynamical screening. The renormalization is shown to be non-negligible for various classes of correlated electron materials. The bandwidth reduction effect is necessary for connecting models to materials behavior and for making quantitative predictions for low-energy properties of solids.
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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Letters
volume
109
issue
12
article number
126408
publisher
American Physical Society
external identifiers
  • wos:000308878500017
  • scopus:84866563084
  • pmid:23005970
ISSN
1079-7114
DOI
10.1103/PhysRevLett.109.126408
language
English
LU publication?
yes
id
09a212be-d0b4-41a0-8783-66d3297eb98d (old id 3187956)
date added to LUP
2016-04-01 10:40:58
date last changed
2022-04-28 00:16:47
@article{09a212be-d0b4-41a0-8783-66d3297eb98d,
  abstract     = {{We provide a prescription for constructing Hamiltonians representing the low-energy physics of correlated electron materials with dynamically screened Coulomb interactions. The key feature is a renormalization of the hopping and hybridization parameters by the processes that lead to the dynamical screening. The renormalization is shown to be non-negligible for various classes of correlated electron materials. The bandwidth reduction effect is necessary for connecting models to materials behavior and for making quantitative predictions for low-energy properties of solids.}},
  author       = {{Casula, M. and Werner, Ph. and Vaugier, L. and Aryasetiawan, Ferdi and Miyake, T. and Millis, A. J. and Biermann, S.}},
  issn         = {{1079-7114}},
  language     = {{eng}},
  number       = {{12}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Low-Energy Models for Correlated Materials: Bandwidth Renormalization from Coulombic Screening}},
  url          = {{http://dx.doi.org/10.1103/PhysRevLett.109.126408}},
  doi          = {{10.1103/PhysRevLett.109.126408}},
  volume       = {{109}},
  year         = {{2012}},
}