3 papers
cond-mat.supr-con2025
Superconductivity in a semiconductor doped with the resonance negative U-centers
Serguei N. Burmistrov, Leonid B. Dubovskii
We study the effect of doping the semiconductor with the resonance negative U-centers upon its superconducting transition temperature. The attraction of electrons at the U-centers…
cond-mat.str-el2023
Ginzburg-Landau approximation for the Hubbard model in the external magnetic field
L. B. Dubovskii, S. N. Burmistrov
The Hubbard model is studied in the external magnetic field. The analysis is carried out phenomenologically within the framework of the Ginzburg-Landau theory with the order parame…
cond-mat.str-el2016
New Approach to Metal-Insulator Phase Transition Kinetics in Magnetic Field
Leonid Dubovskii
The metal--insulator phase transition is considered on the basis of Ginzburg-Landau type equations with two different order parameters. An inclusion of magnetic field in this pictu…