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Jean-Louis PICHARDService de Physique de l'Etat Condensé (SPEC) Groupe Modélisation et Théorie (GMT)
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+33 1 69 08 72 36
+33 1 69 08 87 86
Fonction
Ingénieur Supelec, Docteur es Sciences Physiques (Université Paris-Sud).
Theorist at CEA-Saclay since 1977.
Professor PAST at Université de Cergy-Pontoise (2002-2005)
Deputy Head of SPEC (2006-2010).
CEA Research Director
Head of GMT group.
Sujets de recherche
- 1977-1986: Electron localization in disordered systems. Numerical studies of the inverse localization length in 2d strips and 3d bars. Electrical conductance in terms of the radial parameters of the multiplicative transfer matrix. Finite size scaling and extrapolations to the 2d limit (power law localization in weakly disordered 2d systems) and to the 3d limit (metal-insulator transition). Calculation of the critical exponent using phenomenological renormalization. Scaling theory of the disordered chain.
- 1987-1994: Mesoscopic conductance fluctuations in disordered metals (universal conductance fluctuations) and in disordered insulators (log-normal fluctuations). Random Matrix Theory of Quantum Transport. Maximum Entropy Approach to Conductance Fluctuations. Universal changes of the localization length upon breaking time reversal symmetry and spin rotation symmetry.Theory of random multiplicative transfer-matrices and its implications for quantum transport.
- 1994-1998: Universal signatures of quantum chaos in ballistic transport, Quantum interference and the spin orbit interaction in mesoscopic normal-superconducting junctions, Brownian-motion ensembles and parametric correlations of the transmission eigenvalues. Delocalization of certain two-particle states by short range interactions in Anderson insulators. Level statistics and localization for two interacting particles in a random potential. From the Fermi glass towards the Mott insulator in one dimension: Delocalization and strongly enhanced persistent currents.
- 1998-2004: New quantum phase between the Fermi glass and the Wigner crystal in two dimensions. Andreev-Lifshitz supersolid for a few electrons on small periodic square lattices. Effect of a lattice upon an interacting system of electrons in two dimensions: Breakdown of scaling and decay of persistent currents. Residual conductance of correlated one-dimensional nanosystems. Critical quantum chaos and the one-dimensional Harper model.
- 2004-2010: Interacting electron systems between Fermi leads: effective one-body transmissions and correlation clouds, Effect of measurement probes upon the conductance of an interacting nanosystem, Scanning gate microscopy of a nanostructure where electrons interact, Scattering approach to quantum transport and many body effects, Universal scaling of the quantum conductance of an inversion-symmetric interacting model.
- 2010-2015: Thermal Enhancement of Interference Effects in Quantum Point Contacts, The embedding method beyond the single-channel case. Thermoelectric transport in mesoscopic systems, Delay-time and thermopower distributions at the spectrum edges of a chaotic scatterer, Gate-modulated thermopower in disordered nanowires, Using activated transport in arrays of parallel disordered nanowires for energy harvesting and hot spot cooling.
Publications scientifiques
- Thermoelectric effects in nanowire-based MOSFETs
R. Bosisio, G. Fleury, C. Gorini, and J.-L. Pichard
Advances in Physics: X 2, 344 (2017) - Mesoscopic thermoelectric phenomena
Special issue in Comptes Rendus Physique
Edited by Jean-Louis Pichard and Robert S. Whitney
Comptes Rendus Physique 17, 1039-1174 (2016) - Absorbing/emitting phonons with one dimensional MOSFETs
R. Bosisio, C. Gorini, G. Fleury and J.-L. Pichard
Physica E 74, 340 (2015) - Scanning gate microscopy of quantum contacts under parallel magnetic field: Beating patterns between spin-split transmission peaks or channel openings
A. Kleshchonok, G. Fleury, J.-L. Pichard, and G. Lemarié
Phys. Rev. B 91, 125416 (2015) - Using activated transport in parallel nanowires for energy harvesting and hot spot cooling
R. Bosisio, C. Gorini, G. Fleury and J.-L. Pichard
Phys. Rev. Applied 3, 054002 (2015) - Gate-modulated thermopower of disordered nanowires: II. Variable-Range Hopping Regime
R. Bosisio, C. Gorini, G. Fleury and J.-L. Pichard
New J. of Phys. 16, 095005 (2014) - Gate-modulated thermopower in disordered nanowires: I. Low temperature coherent regime
Bosisio, R.; Fleury, G. and Pichard, J.-L.
New J. of Phys. 16, 035004 (2014) - Delay-time and thermopower distributions at the spectrum edges of a chaotic scatterer
Abbout, A.; Fleury, G.; Pichard, J.-L. and Muttalib, K.
Phys. Rev. B 87, 115147(2013) - Thermal Enhancement of Interference Effects in Quantum Point Contacts
Abbout, A.; Lemarie, G. and Pichard, J.-L.
Phys. Rev. Lett. 106, 156810 (2011) - The embedding method beyond the single-channel case Two-mode and Hubbard chains
Freyn, A.; Vasseur, G.; Schmitteckert, P..; Weinmann, D..; Ingold, G.-L.; Jalabert, R. A. and Pichard, J.-L.
Eur. Phys. J. B 75, 253 (2010) - Universal scaling of the quantum conductance of an inversion-symmetric interacting model
Freyn, A. and Pichard, J.-L.
Phys. Rev. B 81, 085108 (2010) - Scattering approach to quantum transport and many body effects
Pichard, J.-L. and Freyn, A.
AIP Conf. Proc. 1319, 17 (2010)
4th Mexican Meeting on Mathematical and Experimental Physics; July 19-23, 2010; Mexico City, MEXICO - Interaction induced non-locality of the quantum conductance
Freyn, A. and Pichard, J.-L.
Physica B - Condensed Matter 404, 407 (2009)
5th International Workshop on Electronic Crystals; Aug. 24-30, 2008; Cargese, FRANCE - Detection of interaction-induced nonlocal effects using perfectly transmitting nanostructures
Weinmann, D..; Jalabert, R. A.; Freyn, A.; Ingold, G.-L. and Pichard, J.-L.
Eur. Phys. J. B 66, 239 (2008) - Scanning gate microscopy of a nanostructure where electrons interact
Freyn, A.; Kleftogiannis, I. and Pichard, J.-L.
Phys. Rev. Lett. 100, 226802 (2008) - Effect of flux-dependent Friedel oscillations upon the effective transmission of an interacting nano-system
Freyn, A. and Pichard, J.-L.
Eur. Phys. J. B 58, 279 (2007) - Effect of measurement probes upon the conductance of an interacting nanosystem: Detection of an attached ring by nonlocal many body effects
Freyn, A. and Pichard, J.-L.
Phys. Rev. Lett. 98, 186401 (2007) - Conductance of nano-systems with interactions coupled via conduction electrons: effect of indirect exchange interactions
Asada, Y.; Freyn, A. and Pichard, J.-L.
Eur. Phys. J. B 53, 109 (2006) - Interplay between electronic correlations and quantum fluctuations in disordered square lattices
Pichard, J.-L. and Nemeth, Z.A.
Journal de Physique IV 131, 155 (2005)
International Worskhop on Electronic Crystals; Aug. 21-27, 2005; Cargese, FRANCE - Interacting electron systems between Fermi leads: effective one-body transmissions and correlation clouds
Molina, R.A.; Weinmann, D.. and Pichard, J.-L.
Eur. Phys. J. B 48, 243 (2005) - Persistent currents in two dimensions: New regimes induced by the interplay between electronic correlations and disorder
Nemeth, Z.A. and Pichard, J.-L.
Eur. Phys. J. B 45, 111 (2005) - Length-dependent oscillations of the conductance through atomic chains: The importance of electronic correlations
Molina, R.A.; Weinmann, D. and Pichard, J.-L.
Europhys. Lett. 67, 96 (2004) - Effect of a lattice upon an interacting system of electrons in two dimensions: Breakdown of scaling and decay of persistent currents
Falakshahi, H.; Nemeth, Z.A. and Pichard, J.-L.
Eur. Phys. J. B 39, 93 (2004) - Residual conductance of correlated one-dimensional nanosystems: A numerical approach
Molina, R.A.; Schmitteckert, P.; Weinmann, D.; Jalabert, R.A.; Ingold, G.L. and Pichard, J.-L.
Eur. Phys. J. B 39, 107 (2004) - Conductance through a one-dimensional correlated system: Relation to persistent currents and the role of the contacts
Molina, R.A.; Weinmann, D.; Jalabert, R.A.; Ingold, G.L. and Pichard, J.-L.
Phys. Rev. B 67, 235306 (2003) - Andreev-Lifshitz supersolid revisited for a few electrons on a square lattice. I
Katomeris, G.; Selva, F. and Pichard, J.-L.
Eur. Phys. J. B 31, 401 (2003) - Andreev-Lifshitz supersolid for a few electrons on small periodic square lattices
in Anderson localization and its ramifications: disorder, phase coherence and electron correlations
Pichard, J.-L. and Nemeth, Z.A.
Lecture notes in physics 630, 275 (2003)
283rd International WE Heraeus Seminar on Localization, Quantum Coherence and Interactions; Sep. 04-06, 2002; Hamburg, Germany - Andreev-Lifshitz supersolid revisited for a few electrons on a square lattice II
Nemeth, Z.A. and Pichard, J.-L.
Eur. Phys. J. B 33, 87 (2003) - From the Fermi liquid towards the Wigner solid in two dimensions
Book chapter in Exotic states in quantum nanostructures
Pichard, J.-L.; Benenti, G.; Katomeris, G.; Selva, R. and Waintal, X.
PY Available as hal-00120574 (2003) - Correlated electrons on square lattices
Pichard, J.-L.
Progress Of Theoretical Physics Supplement 150, 188 (2003)
5th International Summer School and Conference on Lets Face Chaos through Nonlinear Dynamics; Jun. 30-Jul. 14, 2002; Maribor, Slovenia - From independent particle towards collective motion for two polarized electrons on a square lattice
Martinez, M. and Pichard, J.-L.
Eur. Phys. J. B 30, 93 (2002) - Ground state of a partially melted Wigner molecule
Nemeth, Z.A. and Pichard, J.-L.
Europhys. Lett. 58, 744 (2002) - Two-dimensional mesoscopic Wigner crystallization and related issues
Pichard, J.-L.
Pramana - Journal of Physics 58, 259 (2002)
International Discussion Meeting on Mesoscopic and Disordered Systems; Dec. 18-20, 2000; Bangalore, India - Role of a parallel magnetic field upon a few correlated electrons trapped in 2d mesoscopic disordered clusters
Selva, F. and Pichard, J.-L.
Europhys. Lett. 55, 518 (2001) - Coulomb repulsion versus Hubbard repulsion in a disordered chain
Selva, F. and Pichard, J.-L.
Eur. Phys. J. B 20, 441 (2001) - Partial delocalization of the ground state by repulsive interactions in a disordered chain
Jalabert, R.A.; Weinmann, D. and Pichard, J.-L.
Physica E 9, 347 (2001)
International Workshop and Seminar on Dynamics of Complex Systems; Mar.31 - Jun.15, 1999; Dresden, Germany - Mesoscopic Wigner crystallization in two dimensional lattice models
in Electronic Correlations: From Meso- to Nano-Physics
Pichard, J.-L.; Katomeris, G. and Selva, F.
Proceedings of the 36th Rencontres de Moriond on Electronic Correlations; Jan. 20-27, 2001; Savoie, France
Available as cond-mat/0107500 (2001) - Delocalization effects and charge reorganizations induced by repulsive interactions in strongly disordered chains
Weinmann, D.; Schmitteckert, P.; Jalabert, R.A. and Pichard, J.-L.
Eur. Phys. J. B 19, 139 (2001) - Compressibility crossover and quantum opening of a gap for two-dimensional disordered clusters with Coulomb repulsion
Benenti, G.; Waintal, X.; Pichard, J.-L. and Shepelyansky, D.L.
Eur. Phys. J. B 17, 515 (2000) - Signatures of an intermediate 2d Coulomb phase at low temperatures
Benenti, G; Waintal, X. and Pichard, J.-L.
Europhys. Lett. 51, 89 (2000) - Critical quantum chaos and the one-dimensional Harper model
Evangelou, S.N. and Pichard, J.-L.
Phys. Rev. Lett. 84, 1643 (2000) - Delocalized Coulomb phase in two dimensions
Waintal, X.; Benenti, G. and Pichard, J.-L.
Europhys. Lett. 49, 466 (2000) - New quantum phase between the Fermi glass and the Wigner crystal in two dimensions
Benenti, G; Waintal, X. and Pichard, J.-L.
Phys. Rev. Lett. 83, 1826 (1999) - Two interacting particles in a disordered chain. III. Dynamical aspects of the interplay disorder-interaction
De Toro Arias, S.; Waintal, X. and Pichard, J.-L.
Eur. Phys. J. B 10, 149 (1999) - Two interacting particles in a disordered chain II: Critical statistics and maximum mixing of the one body states
Waintal, X.; Weinmann, D. and Pichard, J.-L.
Eur. Phys. J. B 7, 451 (1999) - Metallic phase between the Fermi glass and the Wigner crystal in two dimensions
Waintal, X.; Benenti, G. and Pichard, J.-L.
Annalen der Physik 8, 691 (1999)
International Conference on Disorder and Interaction in Transport Phenomena (LOCALIZATION 1999); Jul.30 - Aug.03, 1999; Hamburg, Germany - Two interacting particles in a disordered chain I: Multifractality of the interaction matrix elements
Waintal, X. and Pichard, J.-L.
Eur. Phys. J. B 6, 117 (1998) - From the Fermi glass towards the Mott insulator in one dimension: Delocalization and strongly enhanced persistent currents
Schmitteckert, P.; Jalabert, R.A.; Weinmann, D. and Pichard, J.-L.
Phys. Rev. Lett. 81, 2308 (1998) - Interplay disorder-interaction in one-dimensional quantum models
Pichard, J.-L.; Weinmann, D.; Arias, S.D.; Jalabert, R.A.; Schmitteckert, P.; Waintal, X. and Wobst, A.
Annalen der Physik 7, 462 (1998)
Proceedings of the 210th WE-Heraeus-Seminar on Percolation, Interaction, Localization - Simulations of Transport in Disordered Systems; Oct., 1998; Berlin, Germany - Level curvatures, spectral statistics and scaling for interacting particles
Akkermans, E. and Pichard, J.-L.
Eur. Phys. J. B 1, 223 (1998) - Thouless numbers for few-particle systems with disorder and interactions
Weinmann, D.; Pichard, J.-L. and Imry, Y.
Journal de Physique I 7, 1559 (1997) - Parametric statistics of the scattering matrix: From metallic to insulating quasi-unidimensional disordered systems
Mucciolo, E.R.; Jalabert, R.A. and Pichard, J.-L.
Journal de Physique I 7, 1267 (1997) - Comment on "No enhancement of the localization length for two interacting particles in a random potential"
Frahm, K.; Muller-Groeling, A.; Pichard, J.-L. and Weinmann, D.
Phys. Rev. Lett. 78, 4889 (1997) - Two interacting particles in a random potential: Mapping onto one parameter localization theories without interaction
Frahm, K.; Muller-Groeling, A. and Pichard, J.-L.
Z. Phys. B Condens. Matt. 102, 261 (1997) - Level statistics and localization for two interacting particles in a random potential
Weinmann, D. and Pichard, J.-L.
Phys. Rev. Lett. 77, 1556 (1996) - Quantum interference and the spin orbit interaction in mesoscopic normal-superconducting junctions
Slevin, K.; Pichard, J.-L. and Mello, P.A.
Journal de Physique I 6, 529 (1996) - Effective sigma model formulation for two interacting electrons in a disordered metal
Frahm, K.; Muller-Groeling, A. and Pichard, J.-L.
Phys. Rev. Lett. 76, 1509 (1996) - Delocalization of certain two-particle states by short range interactions in Anderson insulators
Book chapter in Quantum transport in semiconductor submicron structures
Frahm, K.; Muller-Groeling, A.; Pichard, J.-L. and Weinmann, D.
NATO ASI Series, Series E, Applied Sciences 326, 173 (1996)
NATO Advanced Study Institute on Quantum Transport in Semiconductor Submicron Structures; Aug. 20-31, 1995; Bad Lauterberg, Germany - h/2e oscillations for correlated electron pairs in disordered mesoscopic rings
Weinmann, D.; Muller-Groeling, A.; Pichard, J.-L. and Frahm, K.
Phys. Rev. Lett. 75, 1598 (1995) - Scaling in interaction-assisted coherent transport
Frahm, K.; Muller-Groeling, A.; Pichard, J.-L. and Weinmann, D.
Europhys. Lett. 31, 169 (1995) - Magnetoconductance of ballistic chaotic quantum dots - a brownian-motion approach for the s-matrix
Frahm, K. and Pichard, J.-L.
Journal de Physique I 5, 847 (1995) - Brownian-motion ensembles and parametric correlations of the transmission eigenvalues - application to coupled quantum billiards and to disordered wires
Frahm, K. and Pichard, J.-L.
Journal de Physique I 5, 877 (1995) - Quantum mesoscopic scattering: disordered-systems and Dyson circular ensembles
Jalabert, R.A. and Pichard, J.-L.
Journal de Physique I 5, 287 (1995) - Universal quantum signatures of chaos in ballistic transport
Jalabert, R.A.; Pichard, J.-L. and Beenakker, C. W. J.
Europhys. Lett. 27, 255 (1994) - A matrix ensemble with a preferential basis and its application to disordered metals and insulators
Pichard, J.-L. and Shapiro, B.
Journal de Physique I 4, 623 (1994) - From chaotic scattering to localization: A brief review of random matrix approaches
Book chapter in Coulomb and interference effects in small electronic structures
Pichard, J.-L.
Editions Frontieres, Gif-sur-Yvette, 1994 Series: Moriond Condensed Matter Physics, 80, 231
Proceedings of the XXIXth Rencontre de Moriond; Jan. 22-29, 1994; Villars Sur Ollon, Switzerland - Quantum transmission in disordered insulators: random-matrix theory and transverse localization
Avishai, Y.; Pichard, J.-L. and Muttalib, K.A.
Journal de Physique I 3, 2343 (1993) - Long-range energy-level interaction in small metallic particles
Jalabert, R.A.; Pichard, J.-L. and Beenakker, C. W. J.
Europhys. Lett. 24, 1 (1993) - Conductance fluctuations due to motion of a single impurity in the localized regime
Feng, S.; Pichard, J.-L. and Zeng, F.
Phys. Rev. B 48, 2529 (1993) - Maximum-entropy ansatz for transmission in quantum conductors: a quantitative study in 2 and 3 dimensions
Slevin, K.; Pichard, J.-L. and Muttalib, K.A.
Journal de Physique I 3, 1387 (1993) - Validity of a maximum-entropy: description for 2-dimensional disordered quantum conductors
Slevin, K.; Pichard, J.-L. and Mello, P.
Europhys. Lett. 16, 649 (1991) - Reproducible conductance fluctuations in macroscopic Anderson insulators
Feng, S. and Pichard, J.-L.
Phys. Rev. Lett. 67, 753 (1991) - Reproducible conductance fluctuations in macroscopic Anderson insulators
Feng, S. and Pichard, J.-L.
Phys. Rev. Lett. 67, 753 (1991) - Symmetries and parametrization of the transfer-matrix in electronic quantum transport theory
Mello, P.A. and Pichard, J.-L.
Journal de Physique I 1, 493 (1991) - Symmetry-breaking in Anderson insulators
Slevin, K.; Pichard, J.-L. and Sanquer, M.
Physica B 169, 491 (1991)
Proceedings of the 19th International Conference On Low Temperature Physics; Aug. 16-22, 1990; Brighton, England - Symmetry-breaking effects and magnetoconductance fluctuations in the Mott hopping regime
Pichard, J.-L.
Institute Of Physics Conference Series 108, 77 (1991)
Proceedings of the International Conference on Localisation; Aug. 13-15, 1990; London, England - Random transfer-matrix theory and conductance fluctuations
Book chapter in Quantum coherence in mesoscopic system
Pichard, J.-L.
Nato ASI Series B 254, 369 (1991) - Broken symmetries and localization lengths in anderson insulators - theory and experiment
Pichard, J.-L.; Sanquer, M.; Slevin, K. and Debray, P.
Phys. Rev. Lett. 65, 1812 (1990) - Quantum conductance fluctuations and maximum-entropy ensembles for the transfer-matrix
Pichard, J.-L. and Sanquer, M.
Physica A 167, 66 (1990)
Workshop On Anderson Transition And Mesoscopic Fluctuations; Jan. 09-12, 1990; Brunswick, Germany - Theory of random multiplicative transfer-matrices and its implications for quantum transport
Pichard, J.-L.; Zanon, N.; Imry, Y. and Stone, A.D.
Journal de Physique 51, 587 (1990) - Maximum-entropy approaches to quantum transport
Pichard, J.-L.; Mello, P.A.; Stone, A.D. and Zanon, N.
Surface Science 229, 101 (1990)
8th International Conference On The Electronic Properties Of Two-Dimensional Systems; Sep. 04-08, 1989; Grenoble, FRANCE - Reduction of mesoscopic conductance fluctuations due to Zeeman splitting in a disordered conductor without spin-orbit scattering
Debray, P.; Pichard, J.-L.; Vicente, J. and Tung, P.N.
Phys. Rev. Lett. 63, 2264 (1989) - Maximum-entropy approaches to quantum electronic transport
Mello, P.A. and Pichard, J.-L.
Phys. Rev. B 40, 5276 (1989) - Reduction of quantum noise in a GaAlAs/GaAs heterojunction by a magnetic-field: an orthogonal-to-unitary Wigner statistics transition
Mailly, D.; Sanquer, M.; Pichard, J.-L. and Pari, P.
Europhys. Lett. 8, 471 (1989) - Random matrix-theory and universal statistics for disordered quantum conductors with spin-dependent hopping
Zanon, N. and Pichard, J.-L.
Journal de Physique 49, 907 (1988) - Universal conductance fluctuations, random matrix theory and the scaling theory of localization
Book chapter in Anderson localisation
Stone, A.D.; Muttalib, K.A. and Pichard, J.-L.
Springer Proceedings in Physics, 28 (1988)
Proceedings of the International Symposium on Anderson Localization; Aug. 16-18, 1987; Tokyo, Japan - Random-matrix theory and universal statistics for disordered quantum conductors
Muttalib, K.A.; Pichard, J.-L. and Stone, A.D.
Phys. Rev. Lett. 59, 2475 (1987) - Lyapounov exponents of products of random matrices: weak disorder expansion. Application to localization
Derrida, B.; Mecheri, K. and Pichard, J.-L.
Journal de Physique 48, 733 (1987) - Many-channel transmission: Large volume limit of the distribution of localization lengths and one-parameter scaling
Pichard, J.-L. and Andre, G.
Europhys. Lett. 2, 477 (1986) - Many-channel conductance of d-dimensional pure and randomly layered materials
Carton, J.-P.; Pichard, J.-L. and Zanon, N.
J. Phys. C: Solid State Phys. 19, 4041 (1986) - The one-dimensional Anderson model: scaling and resonances revisited
Pichard, J.-L.
J. Phys. C: Solid State Phys. 19, 1519 (1986) - Power-law decay and fractal character of eigenstates in two-dimensional disordered-systems
Pichard, J.-L. and Sarma, G.
J. Phys. C: Solid State Phys. 18, 3457 (1985) - Finite size scaling approach to Anderson localization
Pichard, J.-L. and Sarma, G.
Journal de Physique 42, 37 (1981) - Finite size scaling approach to Anderson localization
Pichard, J.-L. and Sarma, G.
J. Phys. C: Solid State Phys. 14, L127 (1981) - Finite-size scaling approach to Anderson localization. 2. Quantitative-analysis and new results
Pichard, J.-L. and Sarma, G.
J. Phys. C: Solid State Phys. 14, L617 (1981)
