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cond-mat.stat-mech2000★ 101 cited
Elastic moduli, dislocation core energy and melting of hard disks in two dimensions
S. Sengupta, P. Nielaba, K. Binder
Elastic moduli and dislocation core energy of the triangular solid of hard disks of diameter are obtained in the limit of vanishing dislocation- antidislocation pair density, f…
cond-mat.stat-mech2000★ 6 cited
Defect fugacity, Spinwave Stiffness and T_c of the 2-d Planar Rotor Model
S. Sengupta, P. Nielaba, K. Binder
We obtain precise values for the fugacities of vortices in the 2-d planar rotor model from Monte Carlo simulations in the sector with {\em no} vortices. The bare spinwave stiffness…