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MODMAT SIGNED

Nonequilibrium dynamical mean-field theory: From models to materials

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Project "MODMAT" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITE DE FRIBOURG 

Organization address
address: AVENUE DE L EUROPE 20
city: FRIBOURG
postcode: 1700
website: www.unifr.ch

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Switzerland [CH]
 Total cost 1˙854˙321 €
 EC max contribution 1˙854˙321 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-COG
 Funding Scheme ERC-COG
 Starting year 2017
 Duration (year-month-day) from 2017-05-01   to  2022-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE DE FRIBOURG CH (FRIBOURG) coordinator 1˙854˙321.00

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 Project objective

Pump-probe techniques are a powerful experimental tool for the study of strongly correlated electron systems. The strategy is to drive a material out of its equilibrium state by a laser pulse, and to measure the subsequent dynamics on the intrinsic timescale of the electron, spin and lattice degrees of freedom. This allows to disentangle competing low-energy processes along the time axis and to gain new insights into correlation phenomena. Pump-probe experiments have also shown that external stimulation can induce novel transient states, which raises the exciting prospect of nonequilibrium control of material properties. The ab-initio simulation of correlated materials is challenging, and the prediction of a material's behavior under nonequilibrium conditions is an even more ambitious task. In the equilibrium context, a significant recent advance is the implementation of dynamical mean field theory (DMFT) schemes capable of treating dynamically screened interactions. These techniques have enabled the combination of the GW ab-initio method and DMFT in realistic contexts. Another recent development is the nonequilibrium extension of DMFT, which has been established as a flexible tool for the simulation of time-dependent phenomena in correlated lattice systems.

The goal of this research project is to combine these two recently developed computational techniques into a GW and nonequilibrium DMFT based ab-initio framework capable of delivering quantitative and material-specific predictions of the nonequilibrium properties of correlated compounds. The new formalism will be used to study photoinduced phasetransitions, unconventional superconductors with driven phonons, and strongly correlated devices such as Mott insulating solar cells.

 Publications

year authors and title journal last update
List of publications.
2018 Andreas J. Herrmann, Andrey E. Antipov, Philipp Werner
Spreading of correlations in the Falicov-Kimball model
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.97.165107
Physical Review B 97/16 2019-11-22
2019 Francesco Petocchi, Sophie Beck, Claude Ederer, Philipp Werner
Hund excitations and the efficiency of Mott solar cells
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.100.075147
Physical Review B 100/7 2019-11-22
2019 Sharareh Sayyad, Rok Žitko, Hugo U. R. Strand, Philipp Werner, Denis Golež
Comparative study of nonequilibrium insulator-to-metal transitions in electron-phonon systems
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.99.045118
Physical Review B 99/4 2019-11-22
2017 Hugo U. R. Strand, Denis Golež, Martin Eckstein, Philipp Werner
Hund\'s coupling driven photocarrier relaxation in the two-band Mott insulator
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.96.165104
Physical Review B 96/16 2019-11-22
2019 Philipp Werner, Jianju Li, Denis Golež, Martin Eckstein
Entropy-cooled nonequilibrium states of the Hubbard model
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.100.155130
Physical Review B 100/15 2019-11-22
2019 E. Viñas Boström, P. Helmer, P. Werner, C. Verdozzi
Electron-electron versus electron-phonon interactions in lattice models: Screening effects described by a density functional theory approach
published pages: , ISSN: 2643-1564, DOI: 10.1103/physrevresearch.1.013017
Physical Review Research 1/1 2019-11-22
2019 Denis Golež, Lewin Boehnke, Martin Eckstein, Philipp Werner
Dynamics of photodoped charge transfer insulators
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.100.041111
Physical Review B 100/4 2019-11-20
2019 Shintaro Takayoshi, Yuta Murakami, Philipp Werner
High-harmonic generation in quantum spin systems
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.99.184303
Physical Review B 99/18 2019-11-20
2019 Michael Schüler, Jan Carl Budich, Philipp Werner
Quench dynamics and Hall response of interacting Chern insulators
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.100.041101
Physical Review B 100/4 2019-11-20
2019 Kilian Sandholzer, Yuta Murakami, Frederik Görg, Joaquín Minguzzi, Michael Messer, Rémi Desbuquois, Martin Eckstein, Philipp Werner, Tilman Esslinger
Quantum Simulation Meets Nonequilibrium Dynamical Mean-Field Theory: Exploring the Periodically Driven, Strongly Correlated Fermi-Hubbard Model
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.123.193602
Physical Review Letters 123/19 2019-11-20
2018 Michael Schüler, Yuta Murakami, Philipp Werner
Nonthermal switching of charge order: Dynamical slowing down and optimal control
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.155136
Physical Review B 97/15 2019-04-18
2018 Philipp Werner, Hugo U. R. Strand, Shintaro Hoshino, Yuta Murakami, Martin Eckstein
Enhanced pairing susceptibility in a photodoped two-orbital Hubbard model
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.165119
Physical Review B 97/16 2019-04-18
2018 Yuta Murakami, Martin Eckstein, Philipp Werner
High-Harmonic Generation in Mott Insulators
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.057405
Physical Review Letters 121/5 2019-04-18
2018 Nikolaj Bittner, Denis Golež, Hugo U. R. Strand, Martin Eckstein, Philipp Werner
Coupled charge and spin dynamics in a photoexcited doped Mott insulator
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.235125
Physical Review B 97/23 2019-04-18
2017 Andreas Herrmann, Yuta Murakami, Martin Eckstein, Philipp Werner
Floquet prethermalization in the resonantly driven Hubbard model
published pages: 57001, ISSN: 0295-5075, DOI: 10.1209/0295-5075/120/57001
EPL (Europhysics Letters) 120/5 2019-04-18
2018 Yuta Murakami, Philipp Werner
Nonequilibrium steady states of electric field driven Mott insulators
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.98.075102
Physical Review B 98/7 2019-04-18
2017 Michael Schüler, Philipp Werner
Tracing the nonequilibrium topological state of Chern insulators
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.96.155122
Physical Review B 96/15 2019-04-18
2018 Michael Schüler, Martin Eckstein, Philipp Werner
Truncating the memory time in nonequilibrium dynamical mean field theory calculations
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.245129
Physical Review B 97/24 2019-04-18
2017 F. Nilsson, L. Boehnke, P. Werner, F. Aryasetiawan
Multitier self-consistent G W + EDMFT
published pages: , ISSN: 2475-9953, DOI: 10.1103/PhysRevMaterials.1.043803
Physical Review Materials 1/4 2019-04-18
2017 Yuta Murakami, Denis Golež, Martin Eckstein, Philipp Werner
Photoinduced Enhancement of Excitonic Order
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.119.247601
Physical Review Letters 119/24 2019-04-18
2018 M. Ligges, I. Avigo, D. Golež, H. U. R. Strand, Y. Beyazit, K. Hanff, F. Diekmann, L. Stojchevska, M. Kalläne, P. Zhou, K. Rossnagel, M. Eckstein, P. Werner, U. Bovensiepen
Ultrafast Doublon Dynamics in Photoexcited 1 T - TaS 2
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.166401
Physical Review Letters 120/16 2019-04-18
2018 Jiajun Li, Hugo U. R. Strand, Philipp Werner, Martin Eckstein
Theory of photoinduced ultrafast switching to a spin-orbital ordered hidden phase
published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-07051-x
Nature Communications 9/1 2019-04-18
2018 M. Wais, M. Eckstein, R. Fischer, P. Werner, M. Battiato, K. Held
Quantum Boltzmann equation for strongly correlated systems: Comparison to dynamical mean field theory
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.98.134312
Physical Review B 98/13 2019-04-18

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