Electron Spectrum and Dieleclric Susceptibility of the Hubbard Model with Local Lattice Anharmonicity

• Authors: I. Stasyuk , A. Shvaika
• Languages of publication: EN

Abstracts

EN

The investigation of single-electron spectrum of the Hubbard model with local lattice anharmonicity is performed. The influence of the interaction with the vibrational subsystem on the effective exchange constant is considered. The static transverse dielectric susceptibility of the model is calculated. Analysis of the possible dielectric anomalies is performed on this basis.

Keywords

EN

74.20.Mn; 71.45.Gm

Discipline

• 74.20.Mn: Nonconventional mechanisms
• 71.45.Gm: Exchange, correlation, dielectric and magnetic response functions, plasmons

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1994
• Volume: 85
• Issue: 2
• Pages: 363-366

Dates

published

1994-02

Contributors

author

I. Stasyuk

• Institute for Condensed Matter Physics, Ukrainian Academy of Sciences, Svientsitsky St. 1, Lviv 290011, Ukraine

author

A. Shvaika

• Institute for Condensed Matter Physics, Ukrainian Academy of Sciences, Svientsitsky St. 1, Lviv 290011, Ukraine

Identifiers

DOI

10.12693/APhysPolA.85.363