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Exact lower bounds to the ground-state energy of spin systems: The two-dimensional S =1/2 antiferromagnetic Heisenberg model
Tarrach, Rolf, Valent, RoserVolume:
41
Language:
english
Journal:
Physical Review B
DOI:
10.1103/PhysRevB.41.9611
Date:
May, 1990
File:
PDF, 94 KB
english, 1990