# Emergence and evolution of electronic modes with temperature in spin-gapped Mott and Kondo insulators

https://mdr.nims.go.jp/datasets/1fdef394-211a-46cd-ae4c-120fc4e9e00f

## File

- [PhysRevB.110.035123.pdf](https://mdr.nims.go.jp/filesets/671a5f07-e320-4c6b-af9f-ee67d0b4a03f/download) ([Detail](https://mdr.nims.go.jp/filesets/671a5f07-e320-4c6b-af9f-ee67d0b4a03f.md))

## Id

1fdef394-211a-46cd-ae4c-120fc4e9e00f

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2024-07-12T04:36:32.071092Z

## Updated at

2024-07-12T07:30:22.675596Z

## Published at

2024-07-12T07:30:22.755518Z

## Doi



## First published url

https://doi.org/10.1103/physrevb.110.035123

## Date published

2024-07-08

## Recorded date published

2024-7

## Resource type

journal_article

## Manuscript type

vor

## Collection



## Title

- title: Emergence and evolution of electronic modes with temperature in spin-gapped
    Mott and Kondo insulators
  title_type: original
  lang: en

## Description

- description: Electronic modes emerge within the band gap at nonzero temperature
    in strongly correlated insulators, exhibiting momentum-shifted magnetic dispersion
    relations from the band edges. Here, the origin of the emergent modes, their relation
    to doping-induced modes, and how their spectral weights increase with temperature
    are clarified in the ladder and bilayer Hubbard models and one- and two-dimensional
    Kondo lattice models using effective theory for weak inter-unit-cell hopping and
    numerical calculations. The results indicate that temperature-driven changes in
    the band structure reflecting spin excitation, including the change in the number
    of bands, can be observed in various strongly correlated insulators even with
    a spin gap, provided that the temperature increases up to about spin-excitation
    energies. The controlled analyses developed in this study significantly contribute
    to the fundamental understanding of the band structure of strongly correlated
    insulators at nonzero temperature.
  description_type: abstract
  lang: und

## Creator

- name: Masanori Kohno
  role: author
  orcid: https://orcid.org/0000-0001-5900-9139
  organization: National Institute for Materials Science

## Contact agent



## Publisher

organization: American Physical Society (APS)

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## Keyword

- subject: Strongly correlated systems
  schema: not_defined
- subject: Mott insulators
  schema: not_defined
- subject: Kondo insulators
  schema: not_defined
- subject: Electronic structure
  schema: not_defined
- subject: Temperature
  schema: not_defined
- subject: Perturbation theory
  schema: not_defined
- subject: Spin gap
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo



## Journal

- title: Physical Review B
  issn: 1550235X
  volume: '110'
  issue: '3'
  article_number: '035123'

## Conference



## Related item



## Funding

- identifier: JP22K03477
  funder_name: Japan Society for the Promotion of Science
- identifier: World Premier International Research Center Initiative (WPI)
  funder_name: Ministry of Education, Culture, Sports, Science and Technology

## Instrument



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## Chemical composition



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## Fileset

- id: 671a5f07-e320-4c6b-af9f-ee67d0b4a03f
  filename: PhysRevB.110.035123.pdf
  content_type: application/pdf
  size: 8249917
  md5: e2bba5cb9c284262fc114cd47b47348f

## Thumbnail

fileset_id: 671a5f07-e320-4c6b-af9f-ee67d0b4a03f
filename: PhysRevB.110.035123.pdf