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cond-mat.stat-mech2016★ 3 cited
Topological transitions in Ising models
Somenath Jalal, Rishabh Khare, Siddhartha Lal
The thermal dynamics of the two-dimensional Ising model and quantum dynamics of the one-dimensional transverse-field Ising model (TFIM) are mapped to one another through the transf…
cond-mat.stat-mech1998★ 10 cited
One-dimensional fermions with incommensurate hopping close to dimerization
Diptiman Sen, Siddhartha Lal
We study the spectrum of fermions hopping on a chain with a weak incommensuration close to dimerization; both q, the deviation of the wave number from pi, and delta, the strength o…