R. Micnas
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View article: Thermodynamic and electromagnetic properties of the eta-pairing in the Penson-Kolb model
Thermodynamic and electromagnetic properties of the eta-pairing in the Penson-Kolb model Open
In the paper, we study the thermodynamic and electromagnetic properties of the Penson--Kolb (PK) model, i.e., the tight--binding model for fermionic particles with the pair-hopping interaction $J$. We focus on the case of repulsive $J$ (i.…
View article: Thermodynamic and electromagnetic properties of the eta-pairing superconductivity in the Penson-Kolb model
Thermodynamic and electromagnetic properties of the eta-pairing superconductivity in the Penson-Kolb model Open
In the paper, we study the thermodynamic and electromagnetic properties of the Penson-Kolb (PK) model, i.e., the tight-binding model for fermionic particles with the pair-hopping interaction $J$. We focus on the case of repulsive $J$ (i.e.…
View article: Effect of boson on-site repulsion on the superfluidity in the boson-fermion-Hubbard model
Effect of boson on-site repulsion on the superfluidity in the boson-fermion-Hubbard model Open
We analyze the finite-temperature phase diagram of the boson-fermion-Hubbard model with Feshbach converting interaction, using the coherent-state path-integral method. We show that depending on the position of the bosonic band, this type o…
View article: Conductivity of Strongly Correlated Bosons in the Simple Cubic Lattice - Magnetic Field and Hopping Anisotropy Effects
Conductivity of Strongly Correlated Bosons in the Simple Cubic Lattice - Magnetic Field and Hopping Anisotropy Effects Open
We investigate optical conductivity in three dimensional system of bosons under strong magnetic eld.In particular, we consider Bose Hubbard model in the strongly correlated limit, where Mott insulator phase emerges.For chosen rational numb…