Low energy effective Hamiltonian for the XXZ spin chain
classification
❄️ cond-mat
hep-th
keywords
energychaineffectivehamiltonianspinasymptoticsconstantscorrelation
read the original abstract
Coupling constants for the most relevant terms in the low energy effective Hamiltonian of the XXZ spin chain are derived. Using this result we study the low energy (low temperature, weak magnetic field) thermodynamics, finite size effects and subleading long distance asymptotics of correlation functions.
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