, Structural two-level defects (TLS) in amorphous materials, p.187

T. Single and .. Hamiltonian, , p.189

D. Tls,

.. , Interaction between a mechanical mode and TLS: qualitative description

T. Relaxational,

T. Resonant, , p.202

D. Results, 204 6.4.1 Measurement protocol 204 6.4.2 Results for the damping Discussion on the contribution of normal state electrons, p.216

P. Conclusion, , p.218

F. Résumé-en, , p.220

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A. Guénault, A. Guthrie, R. P. Haley, A. Jennings, S. Kafanov et al., Maillet, and R. Gazizulin. Probing Superuid 4 He using Nanobeams at mK Temperatures

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O. Maillet, R. Gazizulin, X. Zhou, J. M. Parpia, O. Bourgeois et al., Nanomechanical damping and frequency noise due to strong TLS-electron interaction in a 1D phononic channel, 2018.

, Classical Decoherence in a Nanomechanical Resonator, APS March Meeting, 0226.

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, Interplay between uctuations and non-linearities in nanomechanical resonators, Journées de la Matière Condensée, 2016.

, Fluctuations, non-linear dynamics, and their interplay in nanomechanical resonators . Séminaire MBCT de l'Institut Néel, 2016.

, Probing gaseous matter in conned geometries with nano-mechanical resonators, Rencontres des Jeunes Physiciens, 2017.

, Non-linear frequency transduction of nano-mechanical Brownian motion, Mesoscopic Physics and Quantum Coherence, 2017.

, Investigating non-linear decoherence in nano-mechanical resonators at low temperatures, 28 th International Conference on Low Temperature Physics, 2017.

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