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Mesoscopic physics


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Welcome on the web site of the Mesoscopic Physics group of the Laboratoire de Physique des Solides at Paris-Sud University, Orsay, France.

We are interested in electronic properties at length scale between the atom and the macroscopic world. The systems under study are sufficiently small for being coherent, i.e. their size is smaller than length over which the phase coherence is well defined. Consequently their properties are modified by quantum electronic interferences. They can be reveal by the influence of a magnetic flux. Another part of our activity is related to electronic transport through molecular systems (carbon nanotube, graphen, fulleren). In those systems, confinement of electrons increases the influence of electronic interaction and disorder. This raises fundamental issues on the nature of electronic excitations, leading to surprising transport properties.


Experimentally our activity spans from the sample fabrication to measurement at very low temperature.


Différents échantillons étudiés dans notre groupe


Recent publications:


  • Basset J, Watfa D, Aiello G, et al. High kinetic inductance microwave resonators made by He-Beam assisted deposition of tungsten nanowires. Applied Physics Letters. 2019;114(10):102601.

  • Murani A, Dassonneville B, Kasumov A, et al. Microwave Signature of Topological Andreev level Crossings in a Bismuth-based Josephson Junction. Physical Review Letters. 2019;122(7):076802.


  • Bayliss SL, Weiss LR, Mitioglu A, et al. Site-selective measurement of coupled spin pairs in an organic semiconductor. Proceedings of the National Academy of Sciences. 2018;115(20):5077-5082.

  • Chepelianskii AD, Shepelyansky DL. Floquet theory of microwave absorption by an impurity in the two-dimensional electron gas. Physical Review B. 2018;97(12):125415.

  • Chiodi F, Bayliss SL, Barast L, et al. Room temperature magneto-optic effect in silicon light-emitting diodes. Nature Communications. 2018;9(1):398. Available at: http://www.nature.com/articles/s41467-017-02804-6. Accessed February 23, 2018.

  • Dassonneville B, Murani A, Ferrier M, Guéron S, Bouchiat H. Coherence-enhanced phase-dependent dissipation in long SNS Josephson junctions: Revealing Andreev bound state dynamics. Physical Review B. 2018;97(18):184505.

  • Delagrange R, Basset J, Bouchiat H, Deblock R. Emission noise and high frequency cut-off of the Kondo effect in a quantum dot. 2018;97(4):Physical Review B.

  • Delagrange R, Weil R, Kasumov A, Ferrier M, Bouchiat H, Deblock R. 0 − π Quantum transition in a carbon nanotube Josephson junction: Universal phase dependence and orbital degeneracy. Physica B: Condensed Matter. 2018;536:211-222.

  • Dobretsova AA, Chepelianskii AD, Mikhailov NN, Kvon ZD. Spin mixing between subbands and extraordinary Landau-level shift in wide HgTe quantum wells. Physical Review B. 2018;98(15):155310.

  • Hata T, Delagrange R, Arakawa T, et al. Enhanced Shot Noise of Multiple Andreev Reflections in a Carbon Nanotube Quantum Dot in SU(2) and SU(4) Kondo regimes. Physical Review Letters. 2018;121(24).