Gerhard Schäfer

  • Group:
  • Office: Abb. 204
  • Phone: +49 3641 947114
  • Email: G.Schaefer(at)tpi.uni-jena.de

Curriculum Vitae:

1948 born in Mühlacker, Germany

1972 Diploma in Physics, University of Tübingen

1976 Dr. rer. nat. in Physics, University of Konstanz

1983 Habilitation in Theoretical Physics, University of Konstanz

Academic Positions/Titles

1977-1986 Wissenschaftlicher Assistent, University of Konstanz (Heinz Dehnen)

1984-2000 Privatdozent for Theoretical Physics, University of Konstanz

1986-1991 Heisenberg fellow of the German Research Foundation (DFG, Bonn)
-- 1986-88 Observatoire de Paris-Meudon (Brandon Carter)
-- 1988-91 Max-Planck Institute for Astrophysics (Jürgen Ehlers)

1991-1992 Max-Planck Institute for Astrophysics, Garching

1992-1996 Max-Planck Working Group "Gravitational Theory'' at the FSU Jena

1997-2000 Debuty Professorships in Astrophysics and Theoretical Physics, FSU Jena

1999- außerplanmäßiger Professor, FSU Jena

2000-2013 Hochschuldozentur for Relativistic Astrophysics, FSU Jena

10/2013- retired

Professional Activities

1990-1994 Chairman, Fachverband "Gravitation und Relativitätstheorie'' (DPG, Bad Honnef)

1994 Topical Team V "Fundamental Physics'', European Space Agency (ESA, Paris)

1997-2000 Fundamental Physics Advisory Group (ESA, Paris)

1999-2011 Review Panel "Extraterrestrik'', Deutsches Zentrum für Luft- und Raumfahrt (DLR, Bonn)

2000-2002 Astronomy Working Group (ESA, Paris)

2000-2003 Local Coord., EU-Network "Theor. Found. of Sources for Gravitational Wave Astronomy'', lead AEI Potsdam

2003-2013 Deputy Speaker, DFG-SFB/Transregio 7 "Gravitational Wave Astronomy", lead FSU Jena

2003-2013 Director of the Institute of Theoretical Physics, FSU Jena

2005-2010 Senat der Friedrich-Schiller-Universität Jena (FSU Jena)

2005-2018 Chairman, Scientific Advisory Council, Physikzentrum Bad Honnef (DPG, Bad Honnef)

2005-2018 Kuratorium Physikzentrum Bad Honnef (DPG, Bad Honnef), ex officio

2009-2013 PI in DFG-Research Training Group (GRK 1523/1) "Quantum and Gravitational Fields", FSU Jena

2011-2013 Dean of Student Affairs, Department of Physics and Astronomy, FSU Jena

2016-2018 Editorial Board, Physical Review D (APS)


1986 Heisenberg fellowship (DFG)

2013 Outstanding Referee of the American Physical Society (APS)

2016 Ehrennadel der Deutschen Physikalischen Gesellschaft (DPG)


1979- German Physical Society (DPG)

1991- International Astronomical Union (IAU)

1992- German Astronomical Society (AG)

1997- European Physical Society (EPS)

2016-2018 American Physical Society (APS), ex officio

Publications and Teaching:

most of my publications may be found in: HEP - INSPIRE-HEP

experimental science involvement: proposal for GW detector

impact paper: External-Internal-Dynamics Decoupling

personal account in: INSIDE VIEWS; reference "DeWitt" in: Thibault Damour and GS,
Redefinition of position variables and the reduction of higher order lagrangians,
Journ. Math. Phys. 32, 127-134 (1991)

participation in the Effective One-Body Formalism: EOB

most recent publication: Conservative dynamics of two-body systems at the fourth post-Newtonian approximation
of general relativity, with Thibault Damour and Piotr Jaranowski, Phys. Rev. D 93, 084014 (2016), 4PN Dynamics

school on general relativity, with C.M. Will, https://www.tpi.uni-jena.de/article25-DPG-Physics-School-General-Relativity-99

Scientific Interests:

Gravitational physics
Quantum field theory

Selected research highlights

New expression for the gravitational quadrupole radiation-reaction force (1982). Useful for numerical relativity

Clarification of the use of equations of motion in perturbative Lagrangians (1984). Indispensable tool in higher order post-Newtonian (PN) calculations

Completion of the 2PN binary dynamics (1985) and first correct periastron advance calculation at 2PN including spin-orbit coupling (1988). With T. Damour

New tests of the strong equivalence principle using binary pulsars (1991). With T. Damour

Orbital period change for compact binaries through 1.5PN order including tail contributions from back scattering (1993). With L. Blanchet

Analytic solution of the binary orbital motion through 2PN order (1993). With N. Wex

Last stable circular orbit at 3PN and effective one-body formalism (2000). With T. Damour and P. Jaranowski

First complete derivation of the 3PN dynamics for compact binaries (2001). Breakthrough by dimensional regularisation. With T. Damour and P. Jaranowski

Analytic solution of the binary orbital motion through 3PN order (2004). With A. Gopakumar and R.-M. Memmesheimer

Closed-form analytic gravitational n-body relativistic Hamiltonian linear in the Newtonian gravitational constant (2008). With J. Bicak and T. Ledwinka.

Next-to-leading order spin-orbit Hamiltonian for compact binaries (2008). With T. Damour and P. Jaranowski

Next-to-leading order spin-spin Hamiltonian and spin-squared Hamiltonian for binary black holes (2008). With S. Hergt and J. Steinhoff

Hamiltonian of self-gravitating n-body systems linear in the single spins (2009). With J. Steinhoff

First derivation of the 4PN non-local-in-time dynamics for compact binaries (2014). With T. Damour and P. Jaranowski


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