List of scientific publications & communications

Peer-reviewed journals

2024

[A009] Multiple scattering modelling of Arabidopsis Thaliana plant trichomes as an elastic metamaterial,
H. Coste, E. Ballestero, A. Duclos, V. Romero-García,


[In submission process] Journal of Sound and Vibration (JSV).

[A008] A phenomenological approach for the biophysical interactions between the Arabidopsis Thaliana plant and mechanical waves,
A. Barbacci, F. Garcia, F. Ablitzer, E. Ballestero, A. Duclos,


[In submission process] Proceedings of the National Academy of Sciences (PNAS).

[A007] Passivity-induced minimum-phase reflection in 1D acoustic systems,
Y. Meng, H. Dong, E. Ballestero, G. Gabard, S. Félix and J.-P. Groby,


[In submission process] Advanced Materials.

[A006] Tesselated bi-state passive acoustic metamaterial for sound absorption and diffusion,
E. Ballestero, Y. Meng, P. Sheng, V. Tournat, V. Romero-García, and J.-P. Groby,


[In submission process] Proceedings of the National Academy of Sciences (PNAS).

[A005] Ultrasonic Bi-Directional Diffusing Lens for Simultaneous Reflection and Transmission Phase Control,
E. Ballestero, V. Romero-García, J.-P. Groby and N. Jiménez,


[In submission process] Physical Review Applied (PRA).

2021

[A004] Scattering evaluation of equivalent surface impedances of acoustic metamaterials in large FDTD volumes using RLC circuit modelling,
E. Ballestero, B. Hamilton, N. Jiménez, V. Romero-García, J.-P. Groby, H. Aygün, S. Dance,
Appl. Sci., 11(17) 8084, 2021.

[A003] Metadiffusers for quasi-perfect and broadband sound diffusion,
E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
Appl. Phys. Lett., 119, 044101, 2021.

2020

[A002] Metamateriaux pour l'acoustique audible: Absorption parfaite et diffusion sublongueur d'onde,
V. Romero-García, V. Pagneux, J.-P. Groby, N. Jiménez, E. Ballestero,
Acoustique & Techniques, 94/95:33-39, 2020.

2019

[A001] Experimental validation of deep-subwavelength diffusion by acoustic metadiffusers,
E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
Appl. Phys. Lett., 115, 081901, 2019.

Invited talks

[ASA Meeting, Ottawa, 2024] Bi-state passive acoustic metamaterial for hybrid sound absorption and diffusion in rooms.
[IOA Musical Acoustics, London/Webinar, 2021] Metadiffusers - An acoustic solution to improve the environment of musicians.

Scientific dissemination

[Pour la Science, Dec. 2023] The effect of sound on plants.
[Frontiers for Young Minds, 2022] Acoustics of classrooms.

Conferences

• Bi-directional holographic lens for simultaneous control of reflected and transmitted ultrasonic fields,
  E. Ballestero, B. Hamilton, N. Jiménez, V. Romero-Garcı́a, J-P. Groby, H. Aygun and S. Dance,
  Forum Acusticum, Torino, Italy, 2023.
• Évaluation FDTD de champs diffus par impédances de surface équivalentes de type RLC pour des métamatériaux acoustiques,
  E. Ballestero, B. Hamilton, N. Jiménez, V. Romero-Garcı́a, J-P. Groby, H. Aygun and S. Dance,
  Congrès Français d'Acoustique, Marseille, France, 2022.
• From Quasi-Perfect to Broadband Sound Diffusion Using Metadiffusers,
  E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
  InterNoise, Madeira, Portugal, 2021.
• Metadiffusers in Auditoria: 3D FDTD Modelling of Ultra-Thin Sound Diffusers Using Equivalent RLC Circuits,
  E. Ballestero, B. Hamilton, N. Jiménez, V. Romero-Garcı́a, J-P. Groby, H. Aygun and S. Dance,
  IOA Annual Meeting, Online, U.K., 2021.
• Experimental Validation of a 3D-printed Quadratic Residue Metadiffuser,
  E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
  COST-DENORMS Final Event, Coimbra, Portugal, 2020.
• Beyond Schroeder Diffusers Using Acoustic Metasurfaces,
  N. Jiménez, T. J. Cox, J. M. Requena-Plens, E. Ballestero, J.-P. Groby, V. Romero-García,
  Tecniacústica, Faro, Portugal, 2020.
• Deep Sub-wavelength Materials for Controlling Sound Diffusion: Experimental Validation of Metadiffusers,
  E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
  Meta, Lisbon, Portugal, 2019.
• Experimental Validation of a 3D-Printed Quadratic Residue Metadiffuser,
  E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
  Symposium on Acoustic Metamaterials, Ischia, Italy, 2019.
• 3D Printed Quadratic Residue Metadiffuser – Design and Measurements of an Optimized Deep-Subwavelength Sound Diffuser,
  E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
  International Congress on Acoustics, Aachen, Germany, 2019.
• Acoustic Diffusers and Metadiffusers in Orchestra Pits: the Good, the Bad, and the Loony,
  E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
  Symposium on Acoustic Metamaterials, Xàtiva, Spain, 2018.
• Acoustic Conditions in Orchesra Pits: Are Metadiffusers a Potential Solution?,
  E. Ballestero, N. Jiménez, J.-P. Groby, H. Aygün, S. Dance, V. Romero-García,
  IOA Auditorium Acoustics, Hamburg, Germany, 2018.
• Walk through auralisation framework for virtual reality sceneries powered by game engine architectures,
  D. Castro, E. Ballestero, S. Platt,
  IOA Reproduced Sound, Bristol, U.K., 2018.
• Head-Tracked Auralisations For Dynamic Audio Experience in Virtual Reality Sceneries,
  E. Ballestero, P. Robinson, S. Dance,
  International Congress on Sound & Vibration, London, U.K., 2017.

Other events attendance

• [METAVISION Trainging School 01, Valencia, 2023] Acoustic & Elastic (Meta)-Materials.
• [Isaac Newton Institute of Mathematical Sciences, Cambridge, 2023] Multiple scattering in engineering and applied sciences.
• [ICA Summer School, Leuven, 2019] Metamaterials & Sonic Crystals.
• [EAA Winter School, Le Mans, 2018] Numerical Methods.
• [European Conference on Acoustic & Mechanical Metamaterials, London, 2018]
• [IOA Annual Conference, Cardiff, 2018]