scholarly journals Superconductivity, Charge Orderings, Magnetism, and Their Phase Separations in the Ground State of Lattice Models of Superconductor with Very Short Coherence Length

2014 ◽  
Vol 28 (4) ◽  
pp. 1289-1294 ◽  
Author(s):  
Konrad Jerzy Kapcia
Keyword(s):  
Ground State ◽  
Coherence Length ◽  
Lattice Models ◽  
Phase Separations ◽  
Charge Orderings

scholarly journals Charge Orderings and Phase Separations in Itinerant Fermion Systems at Half Filling

2012 ◽  
Vol 121 (5-6) ◽  
pp. 1042-1044 ◽  
Author(s):  
W.R. Czart ◽  
P.R. Grzybowski ◽  
M. Nogala ◽  
S. Robaszkiewicz
Keyword(s):  
Phase Separations ◽  
Fermion Systems ◽  
Half Filling ◽  
Charge Orderings

Walk of a Point Defect in a Model with Macroscopic Ground State Degeneracy

1997 ◽  
Vol 11 (07) ◽  
pp. 293-296 ◽  
Author(s):  
A. V. Bakaev ◽  
V. I. Kabanovich
Keyword(s):  
Point Defect ◽  
Ground State ◽  
State Energy ◽  
Hard Spheres ◽  
Three Dimensional ◽  
Lattice Models ◽  
Dimensional Lattice ◽  
Cubic Lattices ◽  
Ground State Degeneracy ◽  
Antiferromagnetic Potts Model

Walks of the point defect in the two- and three-dimensional lattice models of colored hard spheres mimicking the q-state antiferromagnetic Potts model are considered. The walks are generated by moves of neighboring vertices which conserve the ground state energy. Various "traps" confining the walks are observed, while for the models with q≥4 and q≥5 on the square and cubic lattices respectively nonvanishing probabilities that all lattice vertices are attainable in a walk are found.

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