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Spherical Sherrington-Kirkpatrick model and random matrix

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Authors : Baik, Jinho (Author of the conference)
CIRM (Publisher )

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Abstract : The Spherical Sherrington-Kirkpatrick (SSK) model is defined by the Gibbs measure on a highdimensional sphere with a random Hamiltonian given by a symmetric quadratic function. The free energy at the zero temperature is the same as the largest eigenvalue of the random matrix associated with the quadratic function. Even for the finite temperature, there is a simple relationship between the free energy and the eigenvalues. We will discuss how one can study the fluctuations of the free energy using this relationship and results from random matrix theory. We will also discuss the distribution of the spin sampled from the Gibbs measure.

MSC Codes :
60B20 - Random matrices (probabilistic aspects)
60K35 - Interacting random processes; statistical mechanics type models; percolation theory
82D30 - Random media, disordered materials (including liquid crystals and spin glasses)

Additional resources :
https://www.cirm-math.fr/RepOrga/2104/Slides/Baik.pdf

    Information on the Video

    Film maker : Recanzone, Luca
    Language : English
    Available date : 09/05/2019
    Conference Date : 10/04/2019
    Subseries : Research talks
    arXiv category : Disordered Systems and Neural Networks ; Mathematical Physics ; Probability
    Mathematical Area(s) : Probability & Statistics ; Mathematical Physics
    Format : MP4 (.mp4) - HD
    Video Time : 00:55:26
    Targeted Audience : Researchers
    Download : https://videos.cirm-math.fr/2019-04-10_Baik.mp4

Information on the Event

Event Title : Chaire Jean-Morlet : Equation intégrable aux données initiales aléatoires / Jean-Morlet Chair : Integrable Equation with Random Initial Data
Event Organizers : Basor, Estelle ; Bufetov, Alexander ; Cafasso, Mattia ; Grava, Tamara ; McLaughlin, Ken
Dates : 08/04/2019 - 12/04/2019
Event Year : 2019
Event URL : https://www.chairejeanmorlet.com/2104.html

Citation Data

DOI : 10.24350/CIRM.V.19516203
Cite this video as: Baik, Jinho (2019). Spherical Sherrington-Kirkpatrick model and random matrix. CIRM. Audiovisual resource. doi:10.24350/CIRM.V.19516203
URI : http://dx.doi.org/10.24350/CIRM.V.19516203

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