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Governing ultrafast the conductivity of correlated materials

Objective

The aim of this research project is to develop novel schemes to study electronic, optical and structural properties of correlated materials driven out of equilibrium , in view of achieving an ultrafast optical control of their electronic properties. In particular, we will extend the most advanced techniques for correlated systems, i.e. Dynamical Mean Field Theory (DMFT) and the Gutzwiller variational approach, to model the temporal evolution after high-energy excitations are impulsively photoinjected by ultrafast laser pulses. Realistic modeling will be achieved through validation against the outcomes of different ad-hoc time-resolved techniques. The possibility to optically switch on and off the metallic phase in a model Mott insulator (vanadium sesquioxide) and the superconducting phase in model high-temperature superconductors (cuprates) will be investigated and tested.
To achieve this ambitious goal we organized a multidisciplinary network that will be coordinated by the condensed-matter theory group at S.I.S.S.A. (Trieste), with a recognized expertise in strongly correlated systems, specifically DMFT, Gutzwiller variational technique and density functional theory, and will involve well established European experimental groups in the field of ultrafast spectroscopies, with expertise in time-resolved optical and photoemission spectroscopies, time resolved X-ray and electron diffraction. The mutual and effective collaboration between the theoretical and experimental groups is mandatory to develop and validate realistic models of the ultrafast dynamics in complex materials, where the electronic, structural and magnetic degrees of freedom are strongly intertwined.
This project is strictly relevant to the NMP.2011.2.1-2 topic (“Modeling of ultrafast dynamics in materials”) of the NMP-2011-SMALL-5 Work Programme.
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Coordinator

SCUOLA INTERNAZIONALE SUPERIORE DI STUDI AVANZATI DI TRIESTE

Address

Via Bonomea 265
34136 Trieste

Italy

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 492 624

Administrative Contact

Gabriele Rizzetto (Mr.)

Participants (6)

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UNIVERSITAET DUISBURG-ESSEN

Germany

EU Contribution

€ 334 392

STICHTING KATHOLIEKE UNIVERSITEIT

Netherlands

EU Contribution

€ 209 352

ELETTRA - SINCROTRONE TRIESTE SCPA

Italy

EU Contribution

€ 196 416

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

France

EU Contribution

€ 199 902

UNIVERSITA CATTOLICA DEL SACRO CUORE

Italy

EU Contribution

€ 183 330

IN SRL

Italy

EU Contribution

€ 57 184

Project information

Grant agreement ID: 280555

Status

Closed project

  • Start date

    1 April 2012

  • End date

    31 March 2015

Funded under:

FP7-NMP

  • Overall budget:

    € 2 203 211,41

  • EU contribution

    € 1 673 200

Coordinated by:

SCUOLA INTERNAZIONALE SUPERIORE DI STUDI AVANZATI DI TRIESTE

Italy