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LABORATOIRE PHYSIQUE DE LA MATIÈRE CONDENSÉE

The Mesoscopic Physics Group (MPG) of the Laboratoire Physique de la Matière Condensée [LPMC, UMR 7336, a joint research institute headed by the CNRS and the University of Nice - Sophia Antipolis] is one of the leading experimental and theoretical groups in the topic of classical waves in complex systems. Research involves generally transport in chaotic optical fibres; spectra, resonances and fields of electromagnetic (EM) systems but also acoustic waves. In the framework of EM fields relevant to this application recent research has been performed on rogue waves, artificial graphene, transport in disordered media, scattering theory, reverberation chambers. The MPG has a high international reputation for its experiments on open system and the modelling by random matrix theory (RMT) using the effective Hamiltonian approach. It is well-equipped in its EM measurement facilities including several experimental set-ups to measure EM field distributions.

Mechanical and electrical workshops are available to design and create new installations. The over 100 articles in renowned journals and many invitations for invited talks in the last 10 years prove the excellent international reputation of MPG.

Key personnel:

• Ulrich Kuhl (team leader) is full Professor at the University Nice Sophia Antipolis (UNS) since 2010. He received a PhD in Physics in 1998 from the University of Marburg. After having spent 2 years in industry with Omicron Vacuum physics in Manchester he rejoined the quantum chaos group in Marburg where he got his Habilitation in 2008 and thereafter a substitute professorship. He is well known for microwave experiments in the framework of quantum chaos, disordered systems, scattering theory, rogue waves and so on including many international collaborations.


• Olivier Legrand is full Professor at the University Nice-Sophia Antipolis (UNS) since 2001. He received his PhD from the ‘Université d'Aix-Marseille II’ in theoretical physics in 1987. He was recruited at UNS in 1990 as an Assistant Professor where he received his Habilitation in 1998 on “Spectral correlations and wave chaos : from room acoustics to micro-wave cavities”. He has been Head of the Physics School at the Faculty of Sciences, UNS, from 2008 to 2013. His research interests concern propagation of waves in complex media with a more recent attention to Wave Chaos of open systems applied to Reverberation Chambers.


• Fabrice Mortessagne is full Professor at the University Nice Sophia Antipolis (UNS) since 2008 and Head of the LPMC since 2010. He obtained a Ph. D. in high energy physics at the Université Denis Diderot of Paris in 1995, and then was appointed Assistant Professor at UNS. He was the initiator of the ‘Wave Propagation in Complex Media’ research group at LPMC (now ‘Mesoscopic Physics Group’). In the early 2000s, his theoretical research activities concerning semiclassical approximations of wave propagation in open chaotic systems were extended with wave chaos experiments in chaotic optical fibres and microwave billiards. He authored a book entitled Equilibrium and Non Equilibrium Statistical Thermodynamics (Cambridge University Press, 2004).


Relevant publications:

• J-B. Gros, O. Legrand, F. Mortessagne, E. Richalot, K. Selemani, Universal behaviour of a wave chaos based electromagnetic reverberation chamber, Wave Motion, 2014, 51, pp. 664-672

• K. Selemani, J.-B. Gros, E. Richalot, O. Legrand, O. Picon, F. Mortessagne, Comparison of reverberation chamber shapes inspired from chaotic cavities, IEEE Transactions on Electromagnetic Compatibility, 2014, in press

• U. Kuhl, O. Legrand, F. Mortessagne, Microwave experiments using open chaotic cavities in the realm of the effective Hamiltonian formalism, Fortschritte der Physik / Progress of Physics, 2013, 61 (2 - 3), pp. 404 - 419

• Matthieu Bellec; Ulrich Kuhl; Gilles Montambaux; Fabrice Mortessagne , Topological transition of Dirac points in a microwave experiment, Physical Review Letters, 2013, 110, 033902

• R. Höhmann, U. Kuhl, H.-J. Stöckmann, L. Kaplan, and E. J. Heller, Freak waves in the linear regime: A microwave study, Phys. Rev. Lett., 104, 093901, 2010.

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