List of Publications

Perhaps more up to date on cond-mat
  • Aubry transition with small distortions
    O. Cépas and P. Quémerais Phys. Rev. E110, 044206 (2024).(pdf,link)
  • On the intrinsic pinning and shape of charge-density waves in 1D Peierls systems
    O. Cépas and P. Quémerais SciPost Phys.14, 051 (2023).(pdf,link)
  • Topological interpretation of color exchange invariants: hexagonal lattice on a torus
    O. Cépas and P. M. Akhmetiev SciPost Phys.10, 042 (2021).(pdf,link)
  • A visualisation of stable invariants of integer dynamics of three-colorings
    P. M. Akhmetev and O. Cépas Proceedings of the Kolomna conference, 10-27 (2019).(pdf,link)
  • Invariants of winding-numbers and steric obstruction in dynamics of flux lines
    O. Cépas and P. M. Akhmetiev SciPost Phys.7, 32 (2019).(pdf,link)
  • Colorings of odd or even chirality on hexagonal lattices
    Cépas, O. Phys. Rev. B95, 064405 (2017).(pdf,link)
  • Multiple time scales from hard local constraints: Glassiness without disorder
    Cépas, O. Phys. Rev. B90, 064404 (2014).(pdf,link)
  • High-field electron spin resonance spectroscopy of singlet-triplet transitions in the spin-dimer systems Sr3Cr2O8 and Ba3Cr2O8
    Wang, Zhe, Kamenskyi, D., Cépas, O., Schmidt, M., Quintero-Castro, D. L., Islam, A. T. M. N., Lake, B., Aczel, A. A., Dabkowska, H. A., Dabkowski, A. B., Luke, G. M., Wan, Yuan, Loidl, A., Ozerov, M., Wosnitza, J., Zvyagin, S. A. and Deisenhofer, J. Phys. Rev. B89, 174406 (2014).(pdf,link)
  • Quand la frustration rend plus dynamique : les liquides de spins quantiques
    Bert, F., Mendels, P., Cépas, O. and Lhuillier, C. Reflets phys.37, 4-11 (2013).(pdf,link)
  • Microscopic Properties of the Pinwheel Kagome Compound Rb2Cu3SnF12
    Grbić, M. S., Krämer, S., Berthier, C., Trousselet, F., Cépas, O., Tanaka, H. and Horvatić, M. Phys. Rev. Lett.110, 247203 (2013).(pdf,link)
  • Heterogeneous freezing in a geometrically frustrated spin model without disorder: Spontaneous generation of two time scales
    Cépas, O. and Canals, B. Phys. Rev. B86, 024434 (2012).(pdf,link)
  • Resonating color state and emergent chromodynamics in the kagome antiferromagnet
    Cépas, O. and Ralko, A. Phys. Rev. B84, 020413 (2011).(pdf,link)
  • Realization of the Nersesyan-Tsvelik model in (NO)[Cu(NO3)3]
    Volkova, O., Morozov, I., Shutov, V., Lapsheva, E., Sindzingre, P., Cépas, O., Yehia, M., Kataev, V., Klingeler, R., B\"uchner, B. and Vasiliev, A. Phys. Rev. B82, 054413 (2010).(pdf,link)
  • Electron spin resonance in S=1/2 antiferromagnets at high temperature
    El Shawish, S., Cépas, O. and Miyashita, S. Phys. Rev. B81, 224421 (2010).(pdf,link)
  • Schwinger-boson approach to the kagome antiferromagnet with Dzyaloshinskii-Moriya interactions: Phase diagram and dynamical structure factors
    Messio, L., Cépas, O. and Lhuillier, C. Phys. Rev. B81, 064428 (2010).(pdf,link)
  • Quantum phase transition induced by Dzyaloshinskii-Moriya interactions in the kagome antiferromagnet
    Cépas, O., Fong, C. M., Leung, P. W. and Lhuillier, C. Phys. Rev. B78, 140405 (2008).(pdf,link)
  • Detection of weak emergent broken-symmetries of the kagome antiferromagnet by Raman spectroscopy
    Cépas, O., Haerter, J. O. and Lhuillier, C. Phys. Rev. B77, 172406 (2008).(pdf,link)
  • Superexchange induced canted ferromagnetism in dilute magnets
    Bouzerar, G., Bouzerar, R. and Cépas, O. Phys. Rev. B76, 144419 (2007).(pdf,link)
  • Effect of correlated disorder on the magnetism of double exchange systems
    Bouzerar, G. and Cépas, O. Phys. Rev. B76, 020401 (2007).(pdf,link)
  • Magnon dispersion and anisotropies in SrCu2(BO3)2
    Cheng, Y. F., Cépas, O., Leung, P. W. and Ziman, T. Phys. Rev. B75, 144422 (2007).(pdf,link)
  • Instabilities and insulator-metal transitions in half-doped manganites induced by magnetic-field and doping
    Cépas, O., Krishnamurthy, H. R. and Ramakrishnan, T. V. Phys. Rev. B73, 035218 (2006).(pdf,link)
  • Degeneracy and strong fluctuation-induced first-order phase transition in the dipolar pyrochlore antiferromagnet
    Cépas, O., Young, A. P. and Shastry, B. S. Phys. Rev. B72, 184408 (2005).(pdf,link)
  • Doping and Field-Induced Insulator-Metal Transitions in Half-Doped Manganites
    Cépas, O., Krishnamurthy, H. R. and Ramakrishnan, T. V. Phys. Rev. Lett.94, 247207 (2005).(pdf,link)
  • Neutron Scattering Investigation on Quantum Spin System SrCu2(BO3)2
    Kakurai, Kazuhisa, Nukui, Katsuyuki, Aso, Naofumi, Nishi, Masakazu, Kadowaki, Hiroaki, Kageyama, Hiroshi, Ueda, Yutaka, Regnault, L.-P. and Cépas, O. Progress of Theoretical Physics Supplement159, 22-32 (2005).(pdf,link)
  • Modified Spin-Wave Theory for Nanomagnets: Application to the Keplerate Molecule Mo72Fe30
    Cépas, Olivier and Ziman, Timothy Progress of Theoretical Physics Supplement159, 280-291 (2005).(pdf,link)
  • Theory of phonon-assisted forbidden optical transitions in spin-gap systems
    Cépas, O. and Ziman, T. Phys. Rev. B70, 024404 (2004).(pdf,link)
  • Field-driven transitions in the dipolar pyrochlore antiferromagnet Gd2Ti2O7
    Cépas, Olivier and Shastry, B. Sriram Phys. Rev. B69, 184402 (2004).(pdf,link)
  • Static and Dynamical Dzyaloshinsky-Moriya interactions in gapped spin systems
    Cépas, O. and Ziman, T. Kyushu University Press, Fukuoka, 175-182 (2002).(pdf,link)
  • Inelastic Neutron Scattering Experiment on Dzyaloshinski-Moriya Interaction in SrCu2(BO3)2
    Kakurai, Kazuhisa, Aso, Naofumi, Nukui, Katsuyuki, Nishi, Masakazu, Kageyama, Hiroshi, Ueda, Yutaka, Kadowaki, Hiroaki and Cépas, O. Kyushu University Press, Fukuoka, (2002).(pdf,link)
  • Electric-field-induced Mott insulating states in organic field-effect transistors
    Cépas, Olivier and McKenzie, Ross H. Phys. Rev. B66, 214528 (2002).(pdf,link)
  • Dynamics, Selection Rules and Dzyaloshinsky-Moriya Interactions in Strongly Frustrated Magnets
    Cépas, Olivier, Sakai, Tôru and Ziman, Timothy Progress of Theoretical Physics Supplement145, 43-51 (2002).(pdf,link)
  • Magnetic-field-induced superconductivity in layered organic molecular crystals with localized magnetic moments
    Cépas, O., H. McKenzie, Ross and Merino, J. Phys. Rev. B65, 100502 (2002).(pdf,link)
  • Dzyaloshinski-Moriya Interaction in the 2D Spin Gap System SrCu2(BO3)2
    Cépas, O., Kakurai, K., Regnault, L. P., Ziman, T., Boucher, J. P., Aso, N., Nishi, M., Kageyama, H. and Ueda, Y. Phys. Rev. Lett.87, 167205 (2001).(pdf,link)
  • Charge Ordering and Spin Dynamics in NaV2O5
    Grenier, B., Cepas, O., Regnault, L. P., Lorenzo, J. E., Ziman, T., Boucher, J. P., Hiess, A., Chatterji, T., Jegoudez, J. and Revcolevschi, A. Phys. Rev. Lett.86, 5966--5969 (2001).(pdf,link)
  • An Electron Spin Resonance Selection Rule for Spin-Gapped Systems
    Sakai, T., Cépas, O. and Ziman, T. Journal of the Physical Society of Japan69, 3521-3524 (2000).(pdf,link)
  • Canonically invariant formulation of Langevin and Fokker-Planck equations
    Cépas, O. and Kurchan, J. Eur. Phys. J. B2, 221-223 (1998).(pdf,link)

    • Complete list of publications (pdf)