Phase diagram of the half-filled two-dimensional SU(N) Hubbard-Heisenberg model: A quantum Monte Carlo study

Physical Review B - Condensed Matter and Materials Physics

Volumn 71, Issue 7, 2005, Pages

  Assaad, F F ^a  

^a UNIVERSITY OF WÜRZBURG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; DENSITY; DIMERIZATION; EXCITATION; FOURIER TRANSFORMATION; MATHEMATICAL ANALYSIS; MODEL; MONTE CARLO METHOD; QUANTUM MECHANICS; SIMULATION; SPECTRUM;

EID: 15744382949     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.71.075103     Document Type: Article

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22. The choice of U=0 for t/J>0 facilitates the Monte Carlo simulations. One can expect that finite values of U/t will push the instability of the DDW phase towards the spin-dimerized state (N=6) and towards the gapless spin liquid phase (N=4) to higher values of of t/J.
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