2022
  • M. Frosini, T. Duguet, J-P. Ebran, B. Bally, H. Hergert, T.R. Rodríguez, R. Roth, J. Yao, V. Soma
    Multi-reference many-body perturbation theory for nuclei III - Ab initio calculations at second order in PGCM-PT
    (23 pages)
  • 2018
  • A. Tichai, P. Arthuis, T. Duguet, H. Hergert, V. Soma, R. Roth
    Bogoliubov Many-Body Perturbation Theory for Open-Shell Nuclei
    (8 pages)
  • 2017
  • E. Gebrerufael, K. Vobig, H. Hergert, R. Roth
    Ab Initio Description of Open-Shell Nuclei: Merging No-Core Shell Model and In-Medium Similarity Renormalization Group
    (5 pages)
  • S. R. Stroberg, A. Calci, H. Hergert, J. D. Holt, S. K. Bogner, R. Roth, A. Schwenk
    Nucleus-Dependent Valence-Space Approach to Nuclear Structure
    (5 pages)
  • 2015
  • P. Papakonstantinou, H. Hergert, R. Roth
    Isoscalar and neutron modes in the E1 spectra of Ni isotopes and the relevance of shell effects and the continuum
    (14 pages)
  • 2014
  • H. Hergert, S. K. Bogner, T. D. Morris, S. Binder, A. Calci, J. Langhammer, R. Roth
    Ab Initio Multi-Reference In-Medium Similarity Renormalization Group Calculations of Even Calcium and Nickel Isotopes
    arXiv:1408.6555
    (6 pages)
  • S.K. Bogner, H. Hergert, J.D. Holt, A. Schwenk, S. Binder, A. Calci, J. Langhammer, R. Roth
    Nonperturbative Shell-Model Interactions from the In-Medium Similarity Renormalization Group
    arXiv:1402.1407
    (5 pages)
  • P. Papakonstantinou, H. Hergert, V.Yu. Ponomarev, R. Roth
    Low-Energy Electric Dipole Response of Sn Isotopes
    (12 pages)
  • V. Derya, D. Savran, J. Endres, M.N. Harakeh, H. Hergert, J.H. Kelley, P. Papakonstantinou, N. Pietralla, V.Yu. Ponomarev, R. Roth, G. Rusev, A.P. Tonchev, W. Tornow, H.J. Wörtche, A. Zilges
    Isospin properties of electric dipole excitations in 48-Ca
    (6 pages)
  • 2013
  • H. Hergert, S. Binder, A. Calci, J. Langhammer, R. Roth
    Ab Initio Calculations of Even Oxygen Isotopes with Chiral Two- Plus Three-Nucleon Interactions
    (6 pages)
  • H. Hergert, S. K. Bogner, S. Binder, A. Calci, J. Langhammer, R. Roth, A. Schwenk
    In-Medium Similarity Renormalization Group with Chiral Two- Plus Three-Nucleon Interactions
    arXiv:1212.1190
    (10 pages)
  • 2012
  • P. Panakonstantinou, H. Hergert, V. Yu. Ponomarev, R. Roth
    Low-energy dipole strength and the critical case of 48-Ca
    arXiv:1110.0973
    (6 pages)
  • 2011
  • H. Hergert, P. Papakonstantinou, R. Roth
    Quasiparticle Random Phase Approximation with interactions from the Similarity Renormalization Group
    arXiv:1104.0264
    (17 pages)
  • 2010
  • A. Günther, R. Roth, H. Hergert, S. Reinhardt
    Systematics of binding energies and radii based on realistic two-nucleon plus phenomenological three-nucleon interactions
    arXiv:1005.1599
    (10 pages)
  • 2009
  • H. Hergert, R. Roth
    Treatment of the Intrinsic Hamiltonian in Particle-Number Nonconserving Theories
    arXiv:0908.1334
    (6 pages)
  • H. Hergert, R. Roth
    Pairing in the framework of the unitary correlation operator method (UCOM): Hartree-Fock-Bogoliubov calculations
    arXiv:0902.3933
    (13 pages)
  • A. Günther, R. Roth, H. Hergert, S. Reinhardt
    Effective Three-Body Interactions in the UCOM Framework
    GSI Report 2009-1
    GSI Scientific Report 2008
  • S. Reinhardt, R. Roth, H. Hergert
    UCOM Correlators Constructed from SRG Evolved Interactions
    GSI Report 2009-1
    GSI Scientific Report 2008
  • H. Hergert, R. Roth
    Hartree-Fock-Bogoliubov Calculations in the UCOM Framework
    GSI Report 2009-1
    GSI Scientific Report 2008
  • 2008
  • R. Roth, S. Reinhardt, H. Hergert
    Unitary Correlation Operator Method and Similarity Renormalization Group: Connections and Differences
    arXiv:0802.4239
    (13 pages)
  • H. Hergert, R. Roth
    The Unitary Correlation Operator Method from a Similarity Renormalization Group Perspective
    GSI Report 2008-1
    GSI Scientific Report 2007
  • P. Papakonstantinou, R. Roth, H. Hergert, A. Zapp
    Giant Resonances using the UCOM and Second RPA
    GSI Report 2008-1
    GSI Scientific Report 2007
  • 2007
  • H. Hergert, R. Roth
    The Unitary Correlation Operator Method from a Similarity Renormalization Group Perspective
    (5 pages)
  • H. Hergert, R. Roth, A. Zapp
    Hartree-Fock-Bogoliubov Calculations with Correlated Realistic Interactions
    Proc. of the International Workshop on Nuclear Physics, 28th Course: Radioactive Beams, Nuclear Dynamics and Astrophysics, 2006, Erice, Sicily
    (3 pages)
  • R. Roth, H. Hergert, N. Paar, P. Papakonstantinou
    Nuclear Structure in the UCOM Framework: From Realistic Interactions to Collective Excitations
    Proc. of the 2nd International Conference on Collective Motion in Nuclei Under Extreme Conditions (COMEX2), 2006, Sankt Goar, Germany
    (8 pages)
  • A. Zapp, H. Hergert, P. Papakonstantinou, R. Roth
    Phenomenological Three-Body Interactions in the UCOM Framework
    GSI Report 2007-1
    GSI Scientific Report 2006
  • 2006
  • N. Paar, P. Papakonstantinou, H. Hergert, R. Roth
    Collective multipole excitations based on correlated realistic nucleon-nucleon interactions
    (14 pages)
  • R. Roth, P. Papakonstantinou, N. Paar, H. Hergert, T. Neff, H. Feldmeier
    Hartree-Fock and many-body perturbation theory with correlated realistic NN-interactions
    (13 pages)
  • N. Paar, P. Papakonstantinou, R. Roth, H. Hergert
    Self-Consistent Description of Collective Excitations in the Unitary Correlation Operator Method
    Proc. of the XII Nuclear Physics Workshop Marie and Pierre Curie "Nuclear Structure and Low Energy Reactions" 2005, Kazimierz Dolny, Poland
    (8 pages)
  • P. Papakonstantinou, R. Roth, H. Hergert and N. Paar
    Nuclear Structure and Response based on Correlated Realistic NN interactions
    Proc. of the International Conference on Frontiers in Nuclear Structure, Astrophysics and Reactions (FINUSTAR) 2005, Kos, Greece
    (3 pages)
  • N. Paar, P. Papakonstantinou, H. Hergert, R. Roth
    Collective excitations in the Unitary Correlation Operator Method and relativistic QRPA studies of exotic nuclei
    Proc. of the LV National Conference on Nuclear Physics "Frontiers in the Physics of Nucleus" 2005, St. Petersburg, Russia
    (8 pages)
  • P. Papakonstantinou, N. Paar, H. Hergert, R. Roth
    RPA and ERPA with Correlated Realistic NN Interactions
    GSI Report 2006-1
    GSI Scientific Report 2005
  • 2005
  • R. Roth, H. Hergert, P. Papakonstantinou, T. Neff, H. Feldmeier
    Matrix Elements and Few-Body Calculations within the Unitary Correlation Operator Method
    (16 pages)
  • R. Roth, H. Hergert, T. Neff, H. Feldmeier
    From Realistic NN-Interactions to Cluster Structures in Nuclei: The Interplay of Short and Long-Range Correlations
    BgNS Transactions 10(2) (2005) 164
    Proc. of the XVI International School on Nuclear Physics, Neutron Physics and Nuclear Energy 2005, Varna, Bulgaria
  • P. Papakonstantinou, R. Roth, H. Hergert, N. Paar
    Towards ab initio structure and response calculations across the nuclear chart
    Proc. of the 15th Symposium of the Hellenic Nuclear Physics Society 2005, Thessaloniki, Greece Eds. G.A. Lalazissis, Ch.C. Moustakidis, page 13.
  • H. Hergert, R. Roth, P. Papakonstantinou, N. Paar
    UCOM-Hartree-Fock with Realistic NN-Interactions
    GSI Report 2005-1
    GSI Scientific Report 2004
  • 2004
  • R. Roth, T. Neff, H. Hergert, H. Feldmeier
    Nuclear Structure based on Correlated Realistic Nucleon-Nucleon Potentials
    (31 pages)
  • R. Roth, H. Hergert, T. Neff, H. Feldmeier
    Towards Ab Initio Nuclear Structure Calculations Based on Realistic NN-Potentials
    Proceedings of the International Workshop XXXII on Gross Properties of Nuclei and Nuclear Excitations, Hirschegg, Austria