Fermionic observables in the transverse Ising chain
Mathematical Physics
2019-12-16 v2 math.MP
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Abstract
We introduce a notion of s-holomorphicity suitable for certain quantum spin systems in one dimension, and define two observables in the critical transverse-field Ising model which have this property. The observables are defined using graphical representations in the complex plane, and are analogous to Smirnov's FK-Ising and spin-Ising observables, respectively. We also briefly discuss scaling-limits of these observables.
Keywords
Cite
@article{arxiv.1607.06484,
title = {Fermionic observables in the transverse Ising chain},
author = {Jakob E. Björnberg},
journal= {arXiv preprint arXiv:1607.06484},
year = {2019}
}
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32 pages