most citedRandom Bonds and Topological Stability in Gapped Quantum Spin Chains

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cond-mat1995★ 111 cited

Random Bonds and Topological Stability in Gapped Quantum Spin Chains

R. A. Hyman, Kun Yang, R. N. Bhatt +1

We study the effects of random bonds on spin chains that have an excitation gap in the absence of randomness. The dimerized spin-1/2 chain is our principal example. Using an asympt…