Magnetism and superconductivity of strongly correlated electrons on the triangular lattice

Physical Review B - Condensed Matter and Materials Physics

Volumn 73, Issue 1, 2006, Pages

  Weber, Cédric ^a   Läuchli, Andreas ^a   Mila, Frédéric ^b   Giamarchi, Thierry ^c  

^a INSTITUT ROMAND DE RECHERCHE NUMÉRIQUE EN PHYSIQUE DES MATÉRIAUX IRRMA   (Switzerland)

^b EPFL   (Switzerland)

^c UNIVERSITY OF GENEVA   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33144460910     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.73.014519     Document Type: Article

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37. HMF is gauge invariant, however, the gauge plays a nontrivial role in the projected wave function. Indeed, the kinetic energy of the projected wave-function depends on the chosen gauge. One cannot exclude that another choice of the gauge could lead to a better wave function.
38. In the square lattice the sign of t plays no role because of the particle-hole symmetry of a bipartite lattice.