Past activities





For more recent CPTGA colloquia, please see the archives at The CPTGA colloquia are highlighted in dark blue.




Thematic schools:


"Journées de physique théorique":


Journées Portes-Ouvertes M1 & M2:


Invited researchers:


  • Fabio Bernardini, Universita di Cagliary, Italy (20 novembre - 20 décembre). Host : Andres Cabo (Institut Néel)
  • Massimo Della Valle, Capodimonte Astronomical Observatory, Istituto Nazionale di Astrofisica (INAF), Napoli, Italy (17 septembre - 15 octobre). Host : Pascal Chardonnet (LAPTh)
  • Natalia Pugach, Lomonosov Moscow State University, Russia (20 novembre - 21 décembre). Host : Thierry Champel (LPMMC)
  • Igor Sokolov, State Polytechnic University, St. Petersburg, Russia (12 novembre - 11 décembre). Host : Sergey Skipetrov (LPMMC)
  • Hirokazu Tsunetsugu, ISSP, The University of Tokyo, Japan (18 septembre - 19 octobre). Host : Mike Zhitomirsky (INAC)

Mini-workshops 2018:

  • Superconductivity: materials & beyond - Friday, December 14; Institut Néel, Bât. K, Salle "Remy Lemaire" (K223), Grenoble

Organisation: Fabio Bernardini, Andres Cano


14:00 Marc Henri Julien: "Deconstructing the spin susceptibility of a pseudo-gapped cuprate"
14:30 Fabio Bernardini: "Silicon and Germanium based iron superconductors"
15:00 Manuel Houzet: "Coulomb blockade of a nearly-open Majorana island"

15:30 -16:00 Coffee break

16:00 Herve Cercellier: TBA
16:30 Laura Chaix: "A resonant inelastic X-ray scattering study of cuprate superconductors"
17:00 Pablo Villar Arrivi: "Hund-enhanced electronic compressibility in FeSe and its correlation with Tc"


  • Spintronics meets Superconductivity - Friday, November 30, 2018; Maison des Magistères, CNRS, 25 rue des Martyrs, Grenoble

Organisation: Natalia Pugach, Thierry Champel -


Organisation: Igor Spokolov, Sergey Skipetrov


  • A multiwavelength view of the Transient Universe - Tuesday, October 23, 2018, LAPTh, Annecy

Organisation: Massimo Della Valle -


  • Exotic Magnetic States: Theory and Experiment - Friday, October 12, 2018; Maison des Magistères, CNRS, 25 rue des Martyrs, Grenoble

Organisation: Claudine Lacroix, Hirokazu Tsunetsugu, Mike Zhitomirsky, Tim Ziman

Session 1 :
09:00 -09:40 Benjamin Canals (Institut Néel/CNRS)
Exotic magnetism in the square ice: Coulomb phase, transmutation of Ising quasiparticles, heat bounces>
09:40 - 10:20 Jaime Merino (Universidad Autónoma de Madrid)
Magnetism and quantum spin liquid behavior in organic honeycomb materials
10:20 - 10:45 Coffee break
Session 2  :
10:45 - 11:25 Mladen Horvatic (LNCMI/CNRS)
New, order-from-disorder BEC phase competes with Bose glass in "dirty-boson" physics
11:25 - 12:10 Sylvain Capponi (Université Paul Sabatier, Тoulouse)
Dynamical properties of the S=1/2 random Heisenberg chain
12:10 - 14:00 Lunch
Session 3 :
14:00 - 14:40 Hirokazu Tsunetsugu (ISSP/U. Tokyo & CPTGA)
Spin singlet order in a breathing pyrochlore antiferromagnet with large spins
14:40 - 15:20 Virginie Simonet (Institut Néel/CNRS)
Magnetic frustration in pyrochlore iridates
15:20 - 15:45 Coffee break
Session 4
15:45 - 16:25 Peter Holdsworth (ENS-Lyon)
Multiple monopole phase transitions in spin ice


  • Xuedong Hu - University at Buffalo, Etats-Unis (juin / juillet 2017)
    • Project: Coherent control of individual electron spins in semiconductors
    • Local contact: Tristan Meunier (Néel)
  • Nataliya Pugach - Lomonosov Moscow State University, Russie (octobre / novembre 2017)
    • Project: Superconductor-multiferroic proximity structure as a “superconducting transistor”
    • Local contact: Claudine Lacroix (Néel), Tim Ziman (ILL)
  • Kirill Shtengel - University of California, Riverside, Etats-Unis (juin / juilllet 2017)
    • Project: Topological states of matter
    • Local contact: Julia Meyer (INAC/PHELIQS)
  • Haitham Zaraket - Lebanese University, Beirut, Liban (août / septembre 2017)
    • Project: Heavy flavor physics
    • Local contact: Jean-Philippe Guillet (LAPTh), Ingo Schienbein (LPSC),
  • Jian-Xin Zhu - Los Alamos National Laboratory, Etats-Unis (septembre / octobre 2017)
    • Project: Design principles for topological states in correlated electronic matter
    • Local contact: Jean-Pierre Julien (Néel)


Mini-Workshops 2017:

CPTGA Mini-workshop: Superconductivity, Spintronics, and Beyond - November 14, 2017 (Maison des Magistères)
organized by Nataliya Pugach (CPTGA invited researcher)

10.00 Welcome
10.10 Kaveh Delfanazari (University of Cambridge) - Hybrid Nb-In 0.75 Ga 0.25 As quantum well circuits for scalable quantum computing
10.55 Nataliya Pugach (Lomonosov MSU, Moscow) - Superconducting spin valves with nontrivial magnets.
11.40 Vadim Dyadkin (ESRF, Grenoble) - Why one should worry about crystal structure while studying chiral magnetism.

14.00 Yuli Nazarov (TU Delft) - Novel topologies in multi-terminal superconducting nanostructures.
14.45 Thomas Kloss (CEA, Grenoble) - Transient conductance between Fermi and Luttinger liquids.
15.30 Stefan Ilic (CEA, Grenoble) - Enhancement of the upper critical field in disordered transition metal dichalcogenide monolayers.
15.55 Nikita Strelkov (CEA, Grenoble) - TBA
16.20 Closing

To register, please send a message to Nataliya Pugach (

CPTGA Mini-workshop: Quantum Materials Forum on Topology and Correlations - November 8, 2017 (Institut Néel)
organized by Jian-Xin Zhu (CPTGA invited researcher)

CPTGA Mini-workshop: Heavy-flavor fragmentation - September 26, 2017 (LPSC)
organized by Haitham Zaraket (CPTGA invited researcher)

CPTGA Mini-workshop: Frustration in the flatland: kagome and its friends - July 10, 2017 (Maison des Magistères)
organized by Kirill Shtengel (CPTGA invited researcher)

To register, please send a message to Kirill Shtengel (

CPTGA Mini-workshop: Control of electron spins in semiconductor nanostructures - July 3, 2017 (Maison des Magistères)
organized by Xuedong Hu (CPTGA invited researcher)

2:00pm Pierre-Andre Mortemousque, Institut Neel, Moving spin qubits in a quantum dot array
2:40pm Lucien Besombes, Institut Neel, Optical control of spins in quantum dots
3:20-3:35pm break
3:35pm Alessandro Crippa, CEA, On the anisotropy of hole spin g-factor in a CMOS quantum dot
4:15pm Maria J. Calderon, ICMM-CSIC Madrid, Acceptor qubit in a MOSFET
4:55pm concluding remarks

To register, please send a message to Xuedong Hu (


  • Sergio Ciuchi (Institut Néel et LPMMC): 02/05/2016-02/06/2016
    University of L'Aquila; Projet: "Transport in organic cristalline semiconductors and exciton nonequilibrium dynamics at interfaces"
  • Alejandro Kolton (LIPhy et LPMMC): 20/06/2016-19/07/2016
    Centro Atomico Bariloche; Projet: "Plasticité et problèmes d’interfaces piégés, turbulence"
  • Vladimir Kravtsov (Institut Néel et LPMMC): 16/11/2016-16/12/2016
    International Centre for Theoretical Physics, Trieste; Projet: "Many-body localization and dynamic localization in driven quantum dots"
  • Marco Merkli (IF et LPMMC): 23/04/2016-23/05/2016
    Memorial University of Newfoundland; Projet "Effects of environments on quantum random walks"


Dans ce cadre, les workshops suivants ont été organisés :


  • Luigi Amico, Universita' di Catania (Italy) - July 2015
    Local contact: Anna Minguzzi (LPMMC)
  • Silke Henkes, University of Aberdeen (UK) - November 2015
    Local contact: Eric Bertin (LIPhy)
  • Branislav Nikolic, University of Delaware (USA) - October 2015
    Local contact: Xavier Waintal (INAC/SPSMS)
  • Nataliya Pugach, Lomonosov Moscow State University (Russia) - October 2015
    Local contact: Thierry Champel (LPMMC)
  • Izak Snyman, University of the Witwatersrand (South Africa) - July 2015
    Local contact: Serge Florens (Institut Néel)


Dans ce cadre, les workshops suivants ont été organisés :


  • Fabrizio Dolcini - Chercheur invité à Grenoble de Sep 15 - Nov 15, 2014
    Politecnico di Torino
    Page Web
    Contact local: Julia Meyer (
  • Maxime Clusel - Chercheur invité à Grenoble de Sep 22 - Nov 10, 2014
    Université Montpellier II
    Contact local: Alexia Auffeves (
  • Konstantin Kikoin - Chercheur invité à Grenoble de Oct 15 - Dec 19, 2014
    Tel Aviv University
    Contact local: Tim Ziman (


  • Pavel Grigoriev - Chercheur invité à Grenoble novembre & décembre 2013
    L.D. Landau Institute for Theoretical Physics (Russie)
    Projet : Unconventional density waves and their effect on superconductivity from heavy fermions to organic materials
    Contacts locaux : Mike Zhitomirsky (INAC/SPSMS) & Tim Ziman (ILL)
  • Vlad Dobrosavljevic - Chercheur invité à Grenoble décembre 2013 & janvier 2014
    Florida State University (Etats-Unis)
    Projet : Metal-insulator quantum phase transitions
    Contacts locaux : Serge Florens (Institut Néel) & Simone Fratini (Institut Néel)