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- P. Sarriguren2 profiles40 · h 29
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Showing 2007 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2007★ 18 cited
Commensurability effects for fermionic atoms trapped in 1D optical lattices
Rafael A. Molina, Jorge Dukelsky, Peter Schmitteckert
Fermionic atoms in two different hyperfine states confined in optical lattices show strong commensurability effects due to the interplay between the atomic density wave (ADW) order…
cond-mat.str-el2007
Electronic instabilities of a Hubbard model approached as a large array of coupled chains: competition between d-wave superconductivity and pseudogap phase
E. Perfetto, J. Gonzalez
We study the electronic instabilities in a 2D Hubbard model where one of the dimensions has a finite width, so that it can be considered as a large array of coupled chains. The fin…
cond-mat.str-el2007★ 11 cited
Numerical estimation of critical parameters using the Bond entropy
Rafael A. Molina, Peter Schmitteckert
Using a model of spinless fermions in a lattice with nearest neighbor and next-nearest neighbor interaction we show that the entropy of the reduced two site density matrix (the bon…