A quantum spin model with two coupled subsystems: exact solution for the linear chain and the Lieb-Mattis model

Solutions for the T = 0 quantum spin gla

Solutions for the T = 0 quantum spin glass transition in a metallic model with spin-charge coupling

✍ R. Oppermann; M. Binderberger 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 966 KB

We solve several low temperature problems of an infinite range metailic spin glass model. A compensation problem of T-0 divergencies is solved for the free energy which helped to extract the quantum critical behaviour of the spin glass order parameters as a function of J-J,(T= 0). The critical value