ANTEZZA Mauro
Fonction : EnseignantChercheur
Organisme : Université Montpellier
Maître de Conférences
(HDR)
mauro.antezza
umontpellier.fr
0467143829
Bureau: 31.0, Etg: 2, Bât: 21  Site : Campus Triolet
Administration Nationale: Elu/nommé au comité national CNRS
 Elu/nommé au CS/CSD CNRS ou IRD
 Expert ANR
 Élu au Bureau de l'IUF  Ministère ENESR

Administration Locale: Membre d'un pool d'experts
 Direction d'équipe
 Responsable de formations

Curriculum Vitae: 
'10today : associate prof., University of Montpellier '07'10 : postdoc, École Normale Supérieure  Paris '06'07 : postdoc, University of Trento '03'06 : PhD (physics), University of Trento '99'03 : Laurea (physics), University of Pavia 
Activités de Recherche: 
Ultracold Quantum Gases, CasimirLifshitz Interaction, Nonequilibrium Systems, RadiationMatter Interaction, Disordered Systems 
Domaines de Recherche:  Physique/Physique Quantique
 Physique/Matière Condensée/Gaz Quantiques
 Physique/Physique/Agrégats Moléculaires et Atomiques
 Physique/Physique/Physique Atomique
 Physique/Physique/Optique

Dernieres productions scientifiques :


Radiative heat transfer between metallic nanoparticle clusters in both near field and far field
Auteur(s): Luo Minggang, Dong Jian, Zhao Junming, Liu Linhua, Antezza M.
(Article) Publié:
Physical Review B, vol. 99 p.134207 (2019)
Texte intégral en Openaccess :
Ref HAL: hal02111478_v1
DOI: 10.1103/PhysRevB.99.134207
Exporter : BibTex  endNote
Résumé: Radiative heat transfer (RHT) between two metallic nanoparticles clusters in both near field and far field areexplored using manybody radiative heat transfer theory implemented with the coupled electric and magneticdipole (CEMD) approach, which effectively takes into account the contribution of magnetic polarization ofmetallic nanoparticles on heat exchange. The effects of magnetic polarization, manybody interaction (MBI),fractal dimension, and relative orientation of the clusters on RHT were analyzed. The results show thatthe contribution of magnetically polarized eddycurrent Joule dissipation dominates the RHT between Agnanoparticle clusters. If the electric polarization (EP approach) only is considered, the heat conductance will beunderestimated as compared with the CEMD approach in both near field and far field regime. The effect of MBIon the RHT between Ag nanoparticle clusters is insignificant at room temperature, which is quite different fromthe SiC nanoparticle clusters. For the latter, MBI tends to suppress RHT significantly. The relative orientationhas remarkable effect on radiative heat flux for clusters with lacy structure when the separation distance is in thenear field. While for the separation distance in far field, both the relative orientation and the fractal dimensionhas a weak influence on radiative heat flux. This work will help the understanding of thermal transport in denseparticulate system.



NonMarkovian transient CasimirPolder force and population dynamics on excited and groundstate atoms: Weak and strongcoupling regimes in generally nonreciprocal environments
Auteur(s): Hanson George w., Hassani gangaraj S. ali, Silveirinha Mario, Antezza M., Monticone Francesco
(Article) Publié:
Physical Review A: Atomic, Molecular And Optical Physics, vol. 99 p.042508 (2019)
Ref HAL: hal02103569_v1
DOI: 10.1103/PhysRevA.99.042508
Exporter : BibTex  endNote
Résumé: The transient CasimirPolder force on a twolevel atom introduced into a threedimensional, inhomogeneous, generally nonreciprocal environment is evaluated using nonMarkovian WeisskopfWigner theory in the strong and weakcoupling regimes. Groundstate and excited atoms are shown to decouple into two separate initialvalue problems, and both the shorttime and longtime atomic population and force are evaluated. The results are compared with various Markov approximations of the WeisskopfWigner theory and with previous Markov results from the Heisenberg picture.



Coupling between subwavelength nanoslits lattice modes and metalinsulatorgraphene cavity modes: A semianalytical model
Auteur(s): Edee Kofi, Benrhouma Maha, Antezza M., Fan Jonathan albert, Guizal B.
(Article) Publié:
Osa Continuum, vol. 2 p.12961309 (2019)
Ref HAL: hal02076490_v1
DOI: 10.1364/OSAC.2.001296
Exporter : BibTex  endNote
Résumé: We present a semianalytical model of the resonance phenomena occurring in a hybrid system made of a 1D array of periodic subwavelength slits deposited on an insulator/graphene layer. We show that the spectral response of this hybrid system can be fully explained by a simple semianalytical model based on weak and strong couplings between two elementary subsystems. The first elementary subsystem consists of a 1D array of periodic subwavelength slits viewed as a homogeneous medium. In this medium lives a metalinsulatormetal lattice mode interacting with surface and cavity plasmon modes. A weak coupling with surface plasmon modes on both faces of the perforated metal film leads to a broadband spectrum while a strong coupling between this first subsystem and a second one made of a grapheneinsulatormetal gap leads to a narrow band spectrum. We provide a semianalytical model based on these two interactions thus allowing efficient access of the full spectrum of the hybrid system.



Reconciliation of quantum local master equations with thermodynamics
Auteur(s): Gabriele De chiara, Gabriel Landi, Adam Hewgill, Brendan Reid, Alessandro Ferraro, Augusto Roncaglia, Antezza M.
(Article) Publié:
New Journal Of Physics, vol. 20 p.113024 (2018)
Texte intégral en Openaccess :
Ref HAL: hal01925150_v1
DOI: 10.1088/13672630/aaecee
Exporter : BibTex  endNote
4 citations
Résumé: The study of open quantum systems often relies on approximate master equations derived under the assumptions of weak coupling to the environment. However when the system is made of several interacting subsystems such a derivation is in many cases very hard. An alternative method, employed especially in the modeling of transport in mesoscopic systems, consists in using local master equations (LMEs) containing Lindblad operators acting locally only on the corresponding subsystem. It has been shown that this approach however generates inconsistencies with the laws of thermodynamics. In this paper we demonstrate that using a microscopic model of LMEs based on repeated collisions all thermodynamic inconsistencies can be resolved by correctly taking into account the breaking of global detailed balance related to the work cost of maintaining the collisions. We provide examples based on a chain of quantum harmonic oscillators whose ends are connected to thermal reservoirs at different temperatures. We prove that this system behaves precisely as a quantum heat engine or refrigerator, with properties that are fully consistent with basic thermodynamics.



Robust Entanglement and Giant Interatomic EnergyTransport with Photonic Topological Insulators
Auteur(s): Antezza M.
Conférence invité: EOS topical meeting on "Optics at the Nanoscale" (Capri, IT, 20170911)
Ref HAL: hal01909487_v1
Exporter : BibTex  endNote
Résumé: We investigate both entanglement and energy transport properties for twolevel systems in the vicinity of a photonic topological insulator (PTI) interface, which supports a nonreciprocal (unidirectional), scatteringimmune and topologicallyprotected surface plasmon polariton in the bandgap of the bulk material. Moreover, we demonstrate that despite the presence of considerable imperfections at the interface of the PTI, the efficiency of the SPPassisted energy transport is almost unaffected by discontinuities. We also show that the SPP properties allow energy transport over considerably much larger distances then in the reciprocal case, and we point out a particularly simple way to tune the transport. Finally, we analyze the specific case of a twoemitterchain and unveil the origin of the efficiency amplification. The efficiency amplification and the practical advantages highlighted in this work might be particularly useful in the development of new devices intended to manage energy at the atomic scale, e.g. in quantum technologies.

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