Seminars & Lectures
* TITLE | Generalised Bose-Einstein phase transition in large-$m$ component spin glasses | ||||||
---|---|---|---|---|---|---|---|
* SPEAKERS | |||||||
|
|||||||
* HOST(Applicant) | |||||||
|
|||||||
* DATE / TIME | 2005-08-31, 4:00 - 5:30p.m. | ||||||
* PLACE | KIAS 1423 호 | ||||||
* ABSTRACT | |||||||
It is proposed to understand finite dimensional spin glasses using a 1/m expansion, where m is the number of spin components. It is shown that this approach predicts a replica symmetric state in finite dimensions. The point about which the expansion is made, the infinite-m limit, has been studied in the mean-field limit in detail and has a very unusual phase transition, rather similar to a Bose-Einstein phase transition but with N^{2/5} macroscopically occupied low-lying states.? |