Phase transition in O₂
classification
🧮 math.OA
math-phmath.DSmath.MP
keywords
statesabruptlyautomorphismcertainchangescriticalcuntz-algebradetermined
read the original abstract
We exhibit a one-parameter group of automorphism on the Cuntz-algebra O_2 such that the simplex of KMS states changes abruptly at a certain critical temperature from infinitely many to one, and then none. The factor types of the extremal KMS states are also determined.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.