Centre de Physique Théorique

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Group “Statistical Mechanics and Condensed Matter”

The nanophysics team of the CPT studies quantum electronic transport in mesoscopic and nanoscopic systems of condensed matter. The reduced size of these systems, and the conditions of study (low temperature, dimensionnality, ...) guarantees that the quantum coherence is preserved, and lead to new behavior related to the fundamental properties of quantum physics.

Superconducting and hybrid systems are a first topic of research. In a superconductor, electrons form Cooper pairs, and coherent transport of Cooper pairs between two superconductors leads to Josephson current. We have studied the properties of Josephson current through a a magnetic molecule, a semi-conductor wih spin-orbit coupling, etc. We also study out-of-equilibrium supercondcuting and hybrid systems with several leads, where the two electrons of a Cooper pair can be spatially separated through cross Andreev reflection, providing a source of quantum entanglement.

A second topic of research is quantum Hall effect, where electronic transport is done through unidimensionnal edge states. The presence of electronic interactions leads to collective transport modes, where the effective charge is different from the electron charge. Statistics of the waiting time between electrons in these system is also a subject we are studying. Unidimensionnal transport can also be used to study electronic quantum optics, where the concepts of quantum optics are adapted to the case of individual electrons.

A third topic of research is quantum thermoelectricity, which is interesting both on a fundamental level and for applications. We have shown that the Seebeck coefficient can be strongly enhanced in the non-stationnary regime, and we have shown the strong link between thermoelectric efficiency and mixed correlators charge/heat. We continue the study of mixed correlators in several types of nanojunctions.

Directory of Members

Acciai Matteo PhD candidate
Crépieux Adeline University faculty
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Devillard Pierre University faculty
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Jacquet Romain ATER
Jonckheere Thibaut Researcher
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Martin Thierry Director
University faculty
Correspondant LabEx OCEVU
Chef de l’équipe « Nanophysique »
Référent pôle de recherche interdisciplinaire et intersectoriel AMU - Sciences, technologies avancées
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Raymond Laurent University faculty
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Rech Jérôme Researcher
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Ronetti Flavio PhD candidate

List of Publications

50 results
Journal article
Dario Ferraro, Eugene Sukhorukov
Interaction effects in a multi-channel Fabry-Pérot interferometer in the Aharonov-Bohm regime
SciPost Physics, 2017, 3 (2), pp.014. 〈10.21468/SciPostPhys.3.2.014〉
Journal article
Adeline Crépieux
Out-of-equilibrium fluctuation-dissipation relations verified by the electrical and thermoelectrical ac-conductances in a quantum dot
Annalen der Physik, 2017, 529 (9), pp.1600344. 〈10.1002/andp.201600344〉
Conference paper
Adeline Crépieux, Paul Eyméoud, Fabienne Michelini
Getting information from the mixed electrical-heat noise
24th International Conference on Noise and Fluctuations, Jun 2017, Vilnius, Lithuania. IEEE, International Conference on Noise and Fluctuations (2017), pp.1 - 4, 2017, 〈http://www.icnf2017.ff.vu.lt/〉. 〈10.1109/ICNF.2017.7985926〉
Journal article
Luca Vannucci, Flavio Ronetti, Jérôme Rech, Dario Ferraro, Thibaut Jonckheere, Thierry Martin, Maura Sassetti
Minimal excitation states for heat transport in driven quantum Hall systems
Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95, pp.245415. 〈10.1103/PhysRevB.95.245415〉
Journal article
Luca Magazzù, Davide Valenti, Bernardo Spagnolo, Thierry Martin, Giuseppe Falci, Elisabetta Paladino
Detector's quantum backaction effects on a mesoscopic conductor and fluctuation-dissipation relation
Fortschritte der Physik / Progress of Physics, 2017, Special Issue: International Conference Frontiers of Quantum and Mesoscopic Thermodynamics Prague, Czech Republic 27 July– 1 August 2015, 65 (6-8), pp.1600059. 〈10.1002/prop.201600059〉
Journal article
Ciprian Padurariu, Thibaut Jonckheere, Jérôme Rech, Thierry Martin, Denis Feinberg
Tunable pseudogaps due to nonlocal coherent transport in voltage-biased three-terminal Josephson junctions
Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95, pp.205437. 〈10.1103/PhysRevB.95.205437〉
Journal article
Jorge Trasobares, Jérôme Rech, Thibaut Jonckheere, Thierry Martin, Olivier Alévêque, E. Levillain, Valentin Diez-Cabanes, Yoann Olivier, Jérôme Cornil, Jean-Philippe Nys, Ragavendran Sivakumarasamy, Kacem Smaali, Philippe Leclere, A Fujiwara, Didier Théron, Dominique Vuillaume, Nicolas Clément
Estimation of π–π Electronic Couplings from Current Measurements
Nano Letters, American Chemical Society, 2017, 17 (5), pp.3215. 〈10.1021/acs.nanolett.7b00804〉
Journal article
Flavio Ronetti, Matteo Carrega, Dario Ferraro, Jérôme Rech, Thibaut Jonckheere, Thierry Martin, Maura Sassetti
Polarized heat current generated by quantum pumping in two-dimensional topological insulators
Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95 (11), pp.115412. 〈10.1103/PhysRevB.95.115412〉
Journal article
Dario Ferraro, Thibaut Jonckheere, J. Rech, Thierry Martin
Electronic quantum optics beyond the integer quantum Hall effect
physica status solidi (b), Wiley, 2017, 254 (3), pp.1600531. 〈10.1002/pssb.201600531〉
Journal article
T. Jonckheere, J. Rech, A. Zazunov, R. Egger, Thierry Martin
Hanbury Brown and Twiss noise correlations in a topological superconductor beam splitter
Physical Review B : Condensed matter and materials physics, American Physical Society, 2017, 95 (5), pp.054514. 〈10.1103/PhysRevB.95.054514〉
50 results