Abstract
The ground-state magnetic properties of bond-disordered spin-1/2 Heisenberg Antiferromagnets on a square lattice are investigated using the Stochastic Series Expansion algorithm. We modify the distribution of the previous work and introduce the normalized standard deviation of the exchange coupling to characterize the magnitude of the disorder. By examining the magnetic properties in various distributions with the normalized standard deviation description, we find that the antiferromagnetism follows the same trend in weak disorder and vanishes at a finite value. And we also analyze the data in perspective of the logarithm of exchange coupling's standard deviation.
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