emmanuele cappelluti's scientific activity

Scientific activity

Emmanuele Cappelluti

Main interest of my research activity is the investigation of the many-body problems in solid state physics. Many-body effects in this field are indeed common to a large variety of phenomena related to the electron-lattice and to the electron-electron interaction. Large part of my activity in the past years has focused on the study of the high-Tc superconductivity, not only in cuprates, but also in fullerides, MgB2 alloys and graphitic-like compounds. My work is mainly based on the analytical techniques of Quantum Field Theory in Condensed Matter, but I have also an operative knowledge of numerical techniques. At the same time, the investigation of the basilar properties of paradigmatic theoretical models (Holstein, Hubbard, t-J, ...) is also accompanied by a strong interest towards the investigation and the explanation of the specific properties of real materials. Along this line I acknowledge and enjoy fruitful cooperations with computational (DFT, DMFT,...) and experimental groups. Recent work has mainly focused on superconductivity in iron-based pnictides, in hydrides under pressure, on the electronic, transport and optical properties of graphene and post-graphenic (transition-metal dichalcogenides) two-dimensional systems, and on the modelling of ultrafast optical spectroscopy in MgB2 with special interest on the onset of hot-phonon physics. I also started working recently on non-linear optics an non-linear response in Dirac systems.

Research fields:
high-Tc superconductivity; electron-phonon interaction; nonadiabatic theory of superconductivity and normal state; strongly correlated electron systems; magnetic and lattice instabilities; fullerenes; copper oxides; magnesium diborides and related compounds; iron-based pnictides; hydrides; graphenes; dichalcogenides; strain engineering; spin-orbit interaction and spintronics; supersolidity and quantum solids; ultrafast spectroscopy; hot-carrier generation.

Publications track-record (source: WoS, updated at 11 August 2019):
109 papers in international refereed journals (+ 5 contributions to books), among which: 1 Nat. Phys., 2 Nano Lett., 3 Adv. Mater., 16 Phys. Rev. Lett., 3 2D Materials, 46 Phys. Rev. B, 3 Europhys. Lett., 7 Physica C, 4 Journ. Phys. Chem. Solids, 3 Eur. Phys. J. B.

h-index: 26; n. citations: 2929 (source: ISI Web of Science)
h-index: 31; n. citations: 3862 (source: Google Scholar)

Main scientific achievements
* Unified Fano-Rice theory of spectral properties of infrared phonons in graphenes;
* Local bandgap engineering by local strain in transition-metal dichalcogenides;
* Dielectric and non-linear screening properties in layered materials;
* Tight-binding modeling of transition-metal dichalcogenides;
* Non-linear electromagnetic response;
* Nonadiabatic theory of superconductivity in low-density carrier superconductors;
* Modellizzazione di spettroscopia ottica ultrafast in MgB2 e caratterizzazione del fenomeno di hot-phonons;
* Multiband/multigap superconductivity and transport in iron-pnictides;
* Spin-lattice polarons in lighly doped cuprates and ntiferromagnetic systems;
* Local surface melting and isotope melting in classic and quantum solids; perspectives for supersolidity;
* Unconventional electron properties in low-carrier density Rashba systems;
* Renormalization of electron-phonon interaction in correlated electron systems.