Institut de Physique Théorique
Direction de la Recherche Fondamentale  -  Saclay
UMR 3681 - INP
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Monday, August 29, 2016

Welcome to IPhT



Tuesday, Sep 13, 2016

14h00 Soutenance de thèse de doctorat

Soutenance de thèse de doctorat

Orme des Merisiers - Amphi Claude Bloch, Bât. 774 Orme des Merisiers

Giulio Pasini

Wednesday, Sep 14, 2016

14h00 Soutenance de thèse de doctorat

Soutenance de thèse de doctorat

Orme des Merisiers - Amphi Claude Bloch, Bât. 774 Orme des Merisiers

Andrei Petrovskii

The Institut de Physique Théorique (IPhT) is a laboratory of fundamental research, located in Saclay, about 20 km south-west of Paris.

The research performed at the IPhT aims at better understanding the laws which govern our universe and its organisation. It encompasses most of the great subjects of modern theoretical physics:

The IPhT comprises about fifty permanent physicists (2/3 CEA, 1/3 CNRS), about thirty PhD students and postdocs, assisted by a support staff of about ten people. The IPhT also hosts permanently many short term visitors.


Does order exist in glasses ?   

img Glasses are ubiquitous in daily life and technology. However, the microscopic mechanisms generating this state of matter remain subject to debate: Glasses are considered either as merely hyperviscous liquids or as resulting from a genuine thermodynamic phase transition toward a rigid state. A team of theoreticians and experimentalists, including Giulio Biroli from IPhT, have devised an experiment based on new theoretical ideas to provide a smoking-gun answer to this long-standing controversy. Performing the corresponding high-precision nonlinear dielectric experiments for supercooled glycerol and propylene carbonate, they find strong support for theories based on thermodynamic amorphous order. Moreover, when lowering temperature, they find that the growing transient domains are
compact; that is, their fractal dimension df = 3. The glass transition may thus represent a class of critical phenomena different from canonical second-order phase ...

More »

C. Pepin, 2016-06-14


New book «Counting Surfaces» by Bertrand Eynard   

imgThe book "Counting Surfaces" by Bertrand Eynard just appeared in the collection "Progress in Mathematical Physics" by Birkhäuser. In 2015 Bertrand Eynard was the recipient of  the Chaire André Aisenstadt at CRM Montréal and gave courses to present his recent results. This book is published in connection with these courses. It presents the general theory of the enumeration of maps, of the counting of Riemann surfaces, its combinatorics, geometrical and topological aspects, and its connection with physics and mathematics (string theory, random matrix theory, algebraic geometry, integrable systems, topological recursion). This book is self contained and aims at graduate students as well as advanced researchers. It should hopefully  become quickly a classic!

F. David, 2016-05-10


21st Claude Itzykson Conference "Dynamics, Disorder and Localization in Strongly Interacting Quantum Many Body Systems”   

The 21st edition of this conference will take place on June 13-15 at IPhT.  It will be devoted to the themes of Dynamics, disorder and localization in strongly interacting quantum many body systems. 

It is organized by Giulio BiroliEugene Bogomolny, Cecile Monthus and Marco Schiro, with the help of Sylvie ZaffanellaAnne AnglesLaure Sauboy (secretary).

For registration, list of speakers, program and practical info, see the web site ot the conference.

F. David, 2016-05-06


Catherine Pépin is awarded an Advanced Grant from the European Research Council

A Field Theory for String Theories ?

Les faits marquants et les sites de la DRF sont en ligne

Devil staircases in dimer models

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