Skip to content. | Skip to navigation

Personal tools

Theme for TIFR Centre For Applicable Mathematics, Bangalore


You are here: Home / Events / Tricritical phenomena in the Blume-Capel model.

Tricritical phenomena in the Blume-Capel model.

Speaker: Trishen Gunaratnam (Université de Genève)
Speaker: Trishen Gunaratnam (Université de Genève)
When Dec 20, 2023
from 04:00 PM to 05:00 PM
Where Online via Zoom
Add event to calendar vCal
Abstract: The Blume-Capel model is a ferromagnetic spin model that was introduced in the '60s to model an exotic phase transition in uranium dioxide. Mathematically speaking, it is an Ising model coupled to a site percolation, combining two of the most beautiful models in statistical physics. It has a line of critical points - the Curie temperatures whereby the magnetisation-demagnetisation transition occurs. Along this critical line, the model is expected to undergo a further phase transition at the so-called tricritical point. Despite many fascinating physics conjectures concerning the tricritical universality class, there are few rigorous results. In this talk, I will discuss these conjectures and touch upon recent results joint with Dmitry Krachun (Princeton University) and Christoforos Panagiotis (University of Bath) in establishing the existence of a tricritical phenomenon in all dimensions.

Join Zoom Meeting

Meeting ID: 984 2378 0582
Passcode: 494702

Filed under: