Generalization of the Lee-Yang Theorem

1 December 1968

journal article
Published by Oxford University Press (OUP) in Progress of Theoretical Physics

Vol. 40 (6) , 1328-1336
https://doi.org/10.1143/ptp.40.1328

Abstract

The Lee-Yang theorem which states that all the roots of the partition function of the Ising model lie on the unit circle in the complex “fugacity” plane is proved for the case of spin 1.

Keywords

LEE YANG
YANG THEOREM
PARTITION FUNCTION
UNIT CIRCLE
MODEL LIE
FUGACITY
ISING MODEL