Accueil > Recherche > Spectroscopie de QUAsi-Particules (SQUAP) > Membres de l’équipe

Yann Gallais


publié le , mis à jour le

Professor - Université Paris Cité

email : yann.gallais(at)

tel : +33 1 57 27 69 89
fax : +33 1 57 27 62 41

address :

Bâtiment Condorcet
6th floor. Office 638B
10 rue Alice Domon et Léonie Duquet
75205 PARIS CEDEX 13

ResearcherID :


- Iron based superconductors and cuprates

- Light probe and control of correlated electronic phases

- Graphene and Chalcogenides

- Ultrafast Spectroscopy


- 2016 - 2017 : Invited Professor and JSPS Fellow, University of Tokyo (Japan)

- 2016 : Professor, Université Paris Cité

- 2007- : Associate Professor, Université Paris-Diderot

- 2004-2007 : Post-doc at Columbia University (New York)

- 2003 : PhD Université Pierre et Marie Curie Paris VI


- Nematic-Fluctuation-Mediated Superconductivity Revealed by Anisotropic Strain in Co-BaFe2As2 Jean-Côme Philippe, Jimmy Faria, Anne Forget, Dorothée Colson, Sarah Houver, Maximilien Cazayous, Alain Sacuto, Indranil Paul and Yann Gallais Physical Review Letters 129, 187002 (2022)

- Elasto-Raman scattering : Arsenic optical phonon as a probe of nematicity in BaFe2As2 Jean-Côme Philippe, Jimmy Faria, Anne Forget, Dorothée Colson, Sarah Houver, Maximilien Cazayous, Alain Sacuto, and Yann Gallais Physical Review B 105, 024518 (2022) Editor’s Suggestion10.1103/PhysRevB.105.024518

- Orbital dichotomy of Fermi liquid properties in Sr2RuO4 revealed by Raman spectroscopy J. -C. Philippe, B. Baptiste, C. Sow, Y. Maeno, A. Forget, D. Colson, M. Cazayous, A. Sacuto, Y. Gallais, Physical Review B 103, 235147 (2021) Editor’s Suggestion 10.1103/PhysRevB.103.235147

- Ultrafast switching to an insulating-like metastable state by amplitudon excitation of a charge density wave N. Yoshikawa, H. Suganuma, H. Matsuoka, P. Hemme, M. Cazayous, Y. Gallais, M. Nakano, Y. Iwasa, R. Shimano, Nature Physics 17, 909 (2021) 10.1038/s41567-021-01267-3

- Lattice-shifted nematic quantum critical point in S-FeSe S. Chibani, D. Farina, P. Massat, M. Cazayous, A. Sacuto, T. Urata, Y. Tanabe, K. Tanigaki, A. E. Böhmer, P. C. Canfield, M. Merz, S. Karlsson, P. Strobel, P. Toulemonde, I. Paul, Y. Gallais, npj Quantum Materials 6, 1-8 (2021) 10.1038/s41535-021-00336-3

- Magnon bound states vs. anyonic Majorana excitations in the Kitaev honeycomb magnet α-RuCl3 Dirk Wulferding, Youngsu Choi, Seung-Hwan Do, Chan Hyeon Lee, Peter Lemmens, Clement Faugeras, Yann Gallais, Kwang-Yong Choi, Nature Communications 11, 1603 (2020) 10.1038/s41467-020-15370-1

- Critical nematic fluctuations at the onset of the pseudogap phase in the cuprate superconductor Bi2Sr2CaCu2O8+δ N. Auvray, S. Benhabib, M. Cazayous, A. Sacuto, I. Paul, J. Schneeloch, R. D. Zhong, G. D. Gu, A. Forget, S. Colson and Y. Gallais Nature Communication 10, 5209 (2019) 10.1038/s41467-019-12940-w

- Probing chiral electronic excitations in bilayer graphene by Raman Scattering E. Riccardi, O. Kashuba, M. A. Méasson, M. Cazayous, A. Sacuto and Y. Gallais, Physical Review Materials, 3, 014002 (2019) 10.1103/PhysRevMaterials.3.014002

- Higgs-mode radiance and charge-density-wave order in 2H−NbSe2 R. Grasset, T. Cea, Y. Gallais, M. Cazayous, A. Sacuto, L. Cario, L. Benfatto, and M.-A. Méasson Physical Review B 97, 094502 (2018)

- Collapse of Critical Nematic Fluctuations in FeSe under Pressure Pierre Massat, Yundi Quan, Romain Grasset, Marie-Aude Méasson, Maximilien Cazayous, Alain Sacuto, Sandra Karlsson, Pierre Strobel, Pierre Toulemonde, Zhiping Yin, and Yann Gallais Physical Review Letters 121, 077001 (2018)

- Higgs Mode in the d-Wave Superconductor Bi2Sr2CaCu2O8+x Driven by an Intense Terahertz Pulse K. Katsumi, N. Tsuji, Y. Hamada, R. Matsunaga, J. Schneeloch, R.D. Zhong, G. Gu, H. Aoki, Y. Gallais and R. Shimano, Physical Review Letters 120, 117001 (2018) Editor’s suggestion 10.1103/PhysRevLett.120.117001

- A ferroelectric quantum phase transition inside the superconducting dome of Sr1−xCaxTiO3−δ
C. W. Rischau, X. Lin, C. P. Grams, D. Finck, S. Harms, J. Engelmayer, T. Lorenz, Y. Gallais, B. Fauqué, J. Hemberger and K. Behnia
Nature Physics 13, 643-648 (2017) 10.1038/nphys4085

- Charge-induced nematicity in FeSe
P. Massat, D. Farina, I. Paul, S. Karlsson, P. Strobel, P. Toulemonde, M.-A. Measson, M. Cazayous, A. Sacuto, S. Kasahara, T. Shibuachi, Y. Matsuda and Y. Gallais Proc. Natl. Acad. Sci. (USA) 113 (33), 9177-9181 (2016) 10.1073/pnas.1606562113

- Gate dependent electonic Raman scattering in graphene
E. Riccardi, M. A. Measson, M. Cazayous, A. Sacuto, Y. Gallais
Physical Review Letters 116, 066805 (2016) 10.1103/PhysRevLett.116.066805

- Charge nematicity and electronic Raman scattering in iron-based superconductors
Y. Gallais, I. Paul
Compte Rendus Physique 17, 113-139 (2016)

- Nematic resonance in the Raman response of iron-based superconductors
Y. Gallais, I. Paul, L. Chauviere, J. Schmalian
Physical Review Letters 116, 017001 (2016)