Abstract
High-temperature power-series expansions for the free energy of a classical Heisenberg ferromagnet in an applied field are given in the form where and . The coefficients are given for and . Estimates of the critical exponents for the fourth to tenth field derivatives of are given.
- Received 5 December 1967
DOI:https://doi.org/10.1103/PhysRev.173.475
©1968 American Physical Society