HIGH TEMPERATURE SERIES EXPANSIONS OF S = 1/2 HEISENBERG SPIN MODELS: ALGORITHM TO INCLUDE THE MAGNETIC FIELD WITH OPTIMIZED COMPLEXITY

This work presents an algorithm for calculating high temperature series expansions (HTSE) of Heisenberg spin models with spin $S=1/2$ in the thermodynamic limit.This algorithm accounts for the presence of a magnetic field.The paper begins with a comprehensive introduction to HTSE and then Christmas Decor focuses on identifying the bottlenecks that

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