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Accueil > Annuaire > Falvo Cyril > Research > Dynamics of nonlinear quantum lattices

Dynamics of nonlinear quantum lattices

1D lattices characterized by a periodic distribution of vibrational modes coupled through nearest neighbors interactions can be used as a model for variety of systems including α-helix peptides. The interplay between anharmonicity, coupling to a set of optical or acoustical phonons and the exciton coupling lead to the formation of vibrational polarons. My research is focusing on the polaron and bi-polaron dynamics in 1D lattices and complex networks and the spectroscopic signature of the self-trapping mechanism.

  1. C. Falvo Linear and non-linear infrared response of one-dimensional vibrational Holstein polarons in the anti-adiabatic limit : Optical and acoustical phonon models. J. Chem. Phys. 148 (2018) 074103. Link
  2. S. Yalouz, V. Pouthier, and C. Falvo Exciton-phonon dynamics on complex networks : Comparison between a perturbative approach and exact calculations Phys. Rev. E 96 (2017) 022304. Link
  3. S. Yalouz, C. Falvo, and V. Pouthier The excitonic qubit coupled with a phonon bath on a star graph : anomalous decoherence and coherence revivals Quantum Inf. Process. 16 (2017) 143. Link
  4. C. Falvo, V. Pouthier, J. C. Eilbeck. Fast energy transfer mediated by multi-quanta bound states in a nonlinear quantum lattice Physica D 221 (2006) 58. Link
  5. J. Edler, V. Pouthier, C. Falvo, R. Pfister, and P. Hamm. Vibrational Self-Trapping in an α-Helix. In T. Kobayashi, T. Okada, T. Kobayashi, K. A. Nelson, and S. Silvestri, editors, Ultrafast Phenomena XIV, volume 79 of Springer Series in Chemical Physics, pages 401–403. Springer, 2005. Link
  6. C. Falvo and V. Pouthier. Vibron-polaron critical localization in a finite size molecular nanowire. J. Chem. Phys., 122 (2005) 014701. Link
  7. C. Falvo and V. Pouthier. Vibron-polaron in α-helices. I. Single-vibron states J. Chem. Phys., 123 (2005) 184709. Link
  8. C. Falvo and V. Pouthier. Vibron-polaron in α-helices. II. Two-vibron bound states. J. Chem. Phys., 123 (2005) 184710. Link
  9. J. Edler, R. Pfister, V. Pouthier, C. Falvo, and P. Hamm. Direct Observation of Self-Trapped Vibrational States in α-Helices. Phys. Rev. Lett., 93 (2004) 105405. Link
  10. V. Pouthier and C. Falvo. Relaxation channels of two-vibron bound states in α-helix proteins Phys. Rev. E, 69 (2004) 041906. Link