RPA Green's Functions of the Anisotropic Heisenberg Model
classification
❄️ cond-mat.other
cond-mat.stat-mech
keywords
functionsanisotropicgreenheisenbergmodelaccessibleapproximationcalculating
read the original abstract
We solve in random-phase approximation the anisotropic Heisenberg model, including nearest and next-nearest neighbour interactions by calculating all Green's functions and pair correlation functions in a cumulant decoupling scheme. The general exposition is pedagogic in tone and is intended to be accessible to any graduate student or physicist who is not an expert in the field.
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