Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Superconductivity from flat dispersion designed in doped mott insulators

Imada1, Kohno

  • 1Institute for Solid State Physics, University of Tokyo, Roppongi, Minato-ku, Tokyo 106-8666, Japan.

Physical Review Letters
|October 4, 2000
PubMed
Summary

Researchers explored methods to boost superconducting instability in doped Mott insulators. Lattice geometry was designed to create flat bands, enhancing spin-gap and pairing for potential superconductivity.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Plasmon-loss imaging of chains of crystalline-silicon nanospheres and silicon nanowires

Journal of electron microscopy·2000
Same author

A Case Report of Long-term Survival after Radiotherapy for a Solitary Brain Metastasis from Breast Cancer.

Breast cancer (Tokyo, Japan)·2000
Same author

New Treatment Strategy for Bone Metastases from Breast Cancer.

Breast cancer (Tokyo, Japan)·2000
Same author

Estimation of critical points of branched polymers

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2000
Same author

Trapping and emission of photons by a single defect in a photonic bandgap structure

Nature·2000
Same author

Spin-1 chain doped with mobile S = 1/2 fermions

Physical review letters·2000

Area of Science:

  • Condensed Matter Physics
  • Materials Science

Background:

  • Doped Mott insulators exhibit complex electronic behaviors, including potential for superconductivity.
  • Understanding metal-insulator transitions is key to controlling electronic instabilities.

Purpose of the Study:

  • To explore routes for enhancing superconducting instability in doped Mott insulators.
  • To propose a guideline for lattice geometrical design to control electronic instability.

Main Methods:

  • Utilizing insights from criticalities of metal-insulator transitions.
  • Designing lattice structures to create flat band dispersions near the Fermi level.
  • Numerical studies on a one-dimensional model with finite-ranged hoppings.

Main Results:

Related Experiment Videos

  • A prescription for lattice design was proposed to enhance superconducting instability.
  • Flat band dispersions near the Fermi level were targeted without suppressing two-particle channels.
  • Numerical studies demonstrated significant enhancement of spin-gap and pairing dominant regions.
  • Several multiband systems were proposed where pairing is driven by intersite Coulomb repulsion.

Conclusions:

  • Geometrical design of lattice structures offers a viable route to control and enhance superconducting instability.
  • The proposed guideline provides a strategy for realizing enhanced superconductivity in doped Mott insulators.