Research Areas

Particle Physics

Research topics

• Quantum Chromodynamics at short and long distances
  • Fragmentation
  • Prompt photons
• Phenomenology of the electroweak interaction, symmetry breaking
• Higgs physics
• Physics beyond the Standard model (supersymmetry, extra dimensions, Higgsless models,...)
• Models of Dark Matter, interpaly between collider, direct and indirect searches and cosmology
• QCD and Electroweak radiative corrections, techniques for loop multi-leg processes
• Flavour physics
• Quark gluon plasma
• Heavy ion collisions
• Renormalisation and gauge fixing
• Field theory at finite temperatures

Organisation of Conferences and Workshops

• Les Houches Workshop: Physics at TeV Colliders (series since 1999, every two years)
• Tools for the New Physics (2006, 2008, 2010, 2012: Stockholm, in preparation)

Codes

• Phox and Diphox
• Golem
• micrOMEGAs ,
• Sloops

 

Astroparticle physics / Cosmology

Research topics

• Cosmic rays
  • Sources of galactic cosmic rays
  • Propagation of galactic cosmic rays
  • Gamma rays and radio skies
  • Anisotropies
• The nature of Dark Matter
  • Indirect sigantures
  • Formation of proto-haloes
  • Alternative wimps
• Particle astrophysics and stars
  • Low energy neutrinos
  • Gamma Ray Burst (GRB)
• Cosmlogy
  • CMB and polarisation
  • Models of Dark Energy
  • Mirage Dark Energy

Organisation of doctoral programmes

• Erasmus Mundus Joint Doctorate (International Relativistic Astrophysics PhD Programme)
• Ecole prédoctorale des Houches

 

Fields, Strings and Symmetries

Research topics

• Gauge theories, dualities and string theory

  • Scattering amplitudes in gauge and string theories
    • N=4 Super Yang Mills
    • Conformal and superconformal symmetries
    • Wilson loops
    • Exact solutions and integrability
    • Application to QCD, recursion relations
  • String theory and instantons
  • axiomatic scattering Matrix
  • String Phenomenology
  • Swampland Program
  • de Sitter solutions

• Integrable systems

  • Algebraic approach to spin chain
  • Bethe Anstaz
  • Integrable field theory on graphs and quantum wires
  • Application to condensed matter and statistical physics
  • Integrability in gauge theories

• Field theory and topology

  • Chern-Simons theories
  • Deligne-Beilinson cohomologies
  • Geometric quantisation

• General relativity

  • Exact solutions, black holes
  • Sigma model formulation
  • Three dimensional gravity

Organisation of Workshops

• RAQIS Series : Recent Advances in Quantum Integrable Systems (since 2003)
• AnLy Strings & Fields
• ISA: Integrability and Scattering Amplitudes (2011)