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Strings, Branes and Fields

Largely confirmed by the particle collider experiments from the 80s-90s, the Standard Model unifies three out of the four known fundamental interactions within the framework of relativistic quantum field theory. Gravity, described classically by General Relativity, seems to fall outside this framework, as it is perturbatively non-renormalizable. String theory is an ambitious, essentially canonical construct, which provides a consistent description of gravity at the quantum, perturbative level, and at the same time unifies it with the other gauge interactions. Its basic postulate is that at short distances, point particules are subsumed by string-like objects, in various excitation states. Superstring theory, and its putative non-perturbative extension known as M-theory, give a consistent framework for physics beyond the Standard Model. These theories also have important applications to several branches of mathematics.

Staff members :
Ignatios Antoniadis,
Laurent Baulieu,
Atish Dabholkar (on leave at ICTP),
Sheer El-Showk (on leave),
Nick Halmagyi,
Dan Israel,
Michela Petrini,
Boris Pioline (on leave at CERN 2011-2016),
Paul Windey.

Postdocs :
Davide Cassani
Ioannis Florakis
Shailesh Lal
Swapnamay Mondal
Daniel Plencner
Eirik Eik Svanes

PhD students :
Alexis Bres
Yifan Chen
Oscar de Felice
Chrysoula Markou
Matthieu Sarkis

Recent PhD theses : T. Bautista, H. Erbin, G. Solard, T. Vanel, D. Andriot, J. Gomes.

The Strings, Branes and Fields group at LPTHE investigates in particular:

  • holography and the microscopic description of black holes
  • flux compactifications and moduli stabilization
  • topological field theories and supersymmetry

The group has a joint seminar with LPTENS Tuesdays at 11hr. Consult the program of past and forthcoming sessions.

Access the String Theory in Greater Paris Portal