Institut de Physique Théorique
Direction de la Recherche Fondamentale  -  Saclay
UMR 3681 - INP
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Friday, July 28, 2017

Welcome to IPhT

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Agenda

Wednesday, Sep 06, 2017

14h00 Soutenance de thèse de doctorat

Soutenance de thèse de doctorat

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

Soumya Sasmal


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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.

News

Boulder School 2017: Frustrated and Disordered Systems   
imgOur colleague Lenka Zdeborová co-organizes the Boulder Summer School 2017 on Frustrated and Disordered Systems, July 3-28, 2017. Giulio Biroli is one of the keynote invited lecturers. On of the main goals of this event is to bring to a broader physics audience the advanced mean-field methodology developed (in considerable part in IPhT) in the physics of disordered systems, such as the replica and cavity methods. Modern applications of these methods in soft-matter physics, jamming, but also computer science and biology will be also exposed.
J. Luck, 2017-07-03

 

Cirano De Dominicis 1927 - 2017   

imgIt was with great sadness that we learned of the death of Cirano de Dominicis on April 4, 2017, at the age of 90 years.

Cirano de Dominicis, a former student of  École polytechnique and of Ecole des Mines, spent his entire career at the Atomic Energy Commission, where he participated in the founding of the theoretical physics group at Saclay. An outstanding scientist, his innovative work had profoundly influence on the fields of condensed matter physics, of the N-body problem, and later on the physics of disordered systems and spi glasses. He was Director of the Saclay theory group (then Service de Physique Théorique) from 1971 to 1979. He has been President of the French Society of Physics, and was the recipient of the Paul Langevin and Ricard Prizes of the French Society of Physics and of  the CNRS Silver Medal. He continued his research activities at the Institute and to be involved in scientific life with impressive energy, until ...

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F. David, 2017-04-06

 

String Theory D3-brane constructions of physics beyond the Standard Model ruled out by the LHC   
imgThe standard model of particle physics arises in string theory from open strings ending on membranes (D-branes) extended along the three-dimensional space. Closed strings propagating along the whole ten-dimensional world of string theory play the role of the hidden sector, communicating to the matter sector the breaking of supersymmetry that takes place in the extra dimensions in the form of “soft terms” (which have this name because they break supersymmetry without causing ultraviolet divergences).
However, not any soft-supersymmetry-breaking Lagrangian can be obtained this way since the string theory equations of motion and consistency conditions impose relations between the soft couplings. Iosif Bena, Mariana Graña and collaborators have shown that for models realized on D3-branes the trace of the square of the boson mass matrix is equal to the trace of the square of the fermion mass matrix at tree level, and this equality holds at least up to two loops [1].  String theory thus dictates ...

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C. Pepin, 2017-03-22

 

Ecole de Physique: "Exact methods in low-dimensional statistical Physics"

Non-unitary ``Quantum mechanics''

Conference about the origins of Gravity

22ème conférence Itzykson, manipulation of simple quantum systems, June 6-8 2017

Beg Rohu 2017 "Out of Equilibrium Dynamics, Evolution and Genetics"

Succession of the IPhT's Head

¨Le Monde¨ 2016 Research Prize for Rémi Louf

2016 Philippe Meyer Prize in Theoretical Physics for Lenka Zdeborova

2016 Thibaud Prize for Gregory Soyez

Abragam prize of the National Academy of Sciences for Cristina Bena


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