List of Publications

Perhaps more up to date on cond-mat

• Des infrarouges aux gaz à effet de serre - Expériences et explications pour comprendre les phénomènes en jeu (3/3)
  J. Delahaye, A. Barbara, O. Cépas, C. Goujon, Y. Soldo, S. Zanier Culture Sciences Physique (2025).(pdf,link)
• Des infrarouges aux gaz à effet de serre - Expériences et explications pour comprendre les phénomènes en jeu (2/3)
  J. Delahaye, A. Barbara, O. Cépas, C. Goujon, Y. Soldo, S. Zanier Culture Sciences Physique (2025).(pdf,link)
• Des infrarouges aux gaz à effet de serre - Expériences et explications pour comprendre les phénomènes en jeu (1/3)
  J. Delahaye, A. Barbara, O. Cépas, C. Goujon, Y. Soldo, S. Zanier Culture Sciences Physique (2025).(pdf,link)
• 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)