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Theory of ultra-fast dynamics in correlated multi-band systems

Total Cost €


EC-Contrib. €






 UfastU project word cloud

Explore the words cloud of the UfastU project. It provides you a very rough idea of what is the project "UfastU" about.

superconductivity    first    tool    hoc    initio    successful    equilibrium    numerical    femtosecond    mean    iron    timescales    materials    freedom    had    spin    experimental    unravel    transition    realization    lay    ab    computational    pnictides    predictive    push    speed    techniques    remarkable    description    entirely    rely    laser    insights    ad    electrons    atoms    theory    correlated    contrast    degrees    limits    impurity    band    light    decades    limitation    ways    bio    dynamics    relies    molecules    models    body    foundations    qualitative    ultrafast    drive    quantum    interactions    progress    many    seminal    emergence    communication    accessible    effect    phases    orbital    power    nonequilibrium    hemoglobin    pulses    microscopic    unable    engineer    overcome    restricted    behavior    transformative    extension    external    intriguing    versatile    magnetism    dmft    collective    formalism    understand    thermodynamically    technologies    probe    cooperative    dynamical    tools    metal    active    single   

Project "UfastU" data sheet

The following table provides information about the project.


Organization address
postcode: 91054

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 Germany [DE]
 Total cost 1˙461˙500 €
 EC max contribution 1˙461˙500 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-04-01   to  2022-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Many of the intriguing properties of complex materials, such as magnetism and superconductivity rely on the cooperative behavior of electrons in systems with several active spin and orbital degrees of freedom. Using femtosecond laser pulses it has become possible to probe and control these systems on microscopic timescales. This does not only provide an entirely new approach to understand the emergence of collective phases, but it may also help to push the current speed limits in information and communication technologies. However, in contrast to the remarkable experimental progress, theory is still unable to provide a microscopic description of the ultrafast dynamics in most materials even on a qualitative level, as long as it remains restricted to single-band models and ad-hoc parameters. To overcome this limitation, we would like develop a versatile computational tool based on the nonequilibrium extension of dynamical mean-field theory (DMFT). In the previous two decades, the development of equilibrium DMFT into a tool with predictive power has had a transformative effect on our understanding of correlated materials. A successful realization of the proposed research would lay the foundations for a comparable ab-initio understanding of correlated systems out of equilibrium, and provide the numerical techniques to solve multi-orbital quantum impurity models. Already the first applications of a multi-band formalism can lead to seminal insights which are currently out of reach, including an understanding of light-induced superconductivity in materials such as the iron pnictides, or new ways to engineer many-body interactions by external fields and thus drive a system to thermodynamically not accessible phases. The new numerical tools can also be used to unravel dynamical processes in bio-molecules like hemoglobin, whose essential functionality relies on multi-orbital transition metal atoms.


year authors and title journal last update
List of publications.
2018 Nagamalleswararao Dasari, Martin Eckstein
Transient Floquet engineering of superconductivity
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.98.235149
Physical Review B 98/23 2019-12-16
2019 Riku Tuovinen, Denis Golež, Michael Schüler, Philipp Werner, Martin Eckstein, Michael A. Sentef
Adiabatic Preparation of a Correlated Symmetry‐Broken Initial State with the Generalized Kadanoff–Baym Ansatz
published pages: 1800469, ISSN: 0370-1972, DOI: 10.1002/pssb.201800469
physica status solidi (b) 256/7 2019-12-16
2019 Christopher Stahl, Martin Eckstein
Noise correlations in time- and angle-resolved photoemission spectroscopy
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.99.241111
Physical Review B 99/24 2019-12-16
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 2019-12-16
2019 Nagamalleswararao Dasari, Martin Eckstein
Ultrafast electric field controlled spin correlations in the Hubbard model
published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.100.121114
Physical Review B 100/12 2019-12-16
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 2019-12-16
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 Nagamalleswararao Dasari, Martin Eckstein
Photoexcited states in correlated band insulators
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.98.035113
Physical Review B 98/3 2019-04-18
2018 Anne Matthies, Jiajun Li, Martin Eckstein
Control of competing superconductivity and charge order by nonequilibrium currents
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.98.180502
Physical Review B 98/18 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
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

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