Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2009-06-24
Journal of Physics: Conference Series 200, 012017 (2010)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 2 figures, submitted to J. Phys. Conf. Series
Scientific paper
10.1088/1742-6596/200/1/012017
We obtained exact heat capacities of the quantum compass model on the square
L x L clusters with L=2,3,4,5 using Kernel Polynomial Method and compare them
with heat capacity of a large compass ladder. Intersite correlations found in
the ground state for these systems demonstrate that the quantum compass model
differs from its classical version.
Brzezicki Wojciech
Oles' Andrzej M.
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