Dr. Roman Rausch

Profile

Academic positionCurrently without academic position
Research fieldsTheoretical Condensed Matter Physics,Artificial Intelligence and Machine Learning Methods
Keywordsfrustrated spin systems, tensor networks, artificial intelligence, large language models, DMRG

Current contact address

CountryGermany
CityBraunschweig
InstitutionTechnische Universität Carolo-Wilhelmina zu Braunschweig
InstituteInstitut für Mathematische Physik

Host during sponsorship

Prof. Dr. Norio KawakamiDepartment of Physics - Graduate School of Science, Kyoto University, Kyoto
Start of initial sponsorship03/09/2018

Programme(s)

2018Research Fellowship Programme from the Japan Society for the Promotion of Science (JSPS)

Publications (partial selection)

2020Roman Rausch and Matthias Peschke: Topological phases arising from attractive interaction and pair hopping in the extended Hubbard model. In: New Journal of Physics, 22, 2020, 073051
2019Rausch, Roman and Potthoff, Michael and Kawakami, Norio: Magnetic Doublon Bound States in the Kondo Lattice Model. In: Phys. Rev. Lett., 123, 2019, 216401
2019Rausch, Roman and Potthoff, Michael: Pump-probe Auger-electron spectroscopy of Mott insulators. In: Phys. Rev. B, 99, 2019, 205108
2018Peschke, Matthias and Rausch, Roman and Potthoff, Michael: Frustrated quantum magnetism in the Kondo lattice on the zigzag ladder. In: Phys. Rev. B, 97, 2018, 115124
2018Steinbrecher, Manuel and Rausch, Roman and That, Khai Ton and Hermenau, Jan and Khajetoorians, Alexander A. and Potthoff, Michael and Wiesendanger, Roland and Wiebe, Jens: Non-collinear spin states in bottom-up fabricated atomic chains. In: Nature Communications, 9, 2018, 2853
2017Rausch, Roman and Potthoff, Michael: Filling-dependent doublon dynamics in the one-dimensional Hubbard model. In: Phys. Rev. B, 95, 2017, 045152
2016Mohammad Sayad and Roman Rausch and Michael Potthoff: Inertia effects in the real-time dynamics of a quantum spin coupled to a Fermi sea. In: {EPL} (Europhysics Letters), 116, 2016, 17001
2016Roman Rausch and Michael Potthoff: Multiplons in the two-hole excitation spectra of the one-dimensional Hubbard model. In: New Journal of Physics, 18, 2016, 023033
2016Braun, J. and Rausch, R. and Potthoff, M. and Ebert, H.: One-step theory of two-photon photoemission. In: Phys. Rev. B, 94, 2016, 125128
2016Sayad, Mohammad and Rausch, Roman and Potthoff, Michael: Relaxation of a Classical Spin Coupled to a Strongly Correlated Electron System. In: Phys. Rev. Lett., 117, 2016, 127201
2015Braun, J. and Rausch, R. and Potthoff, M. and Min\'ar, J. and Ebert, H.: One-step theory of pump-probe photoemission. In: Phys. Rev. B, 91, 2015, 035119
2011Rausch, Roman and Nolting, Wolfgang: Magnetic phase diagram of Eu${}_{1\ensuremath{-}x}$Gd${}_{x}$S. In: Phys. Rev. B, 84, 2011, 184428
2009Roman Rausch and Wolfgang Nolting: The Curie temperature of thin ferromagnetic films. In: Journal of Physics: Condensed Matter, 21, 2009, 376002