Sebastian M. Schmidt

  • 2007-Present: Research Center Jülich, Member of the Board of Directors, Structure of Matter and Key Technologies
  • 2012-Present: Professor of Physics, RWTH Aachen

  • 2013-Present: Guest Professor, Shanghai Institute of Microsystems and Information Technology, Chinese Academy of Sciences
  • 2009-Present: Honorar Professor - Theoretical Physics, University of Dortmund

  • 2006-2007: Managing Director and Head of Research, Helmholtz-Association
  • 2002-2005: Programme Officer: Energy Research and Structure of Matter, Helmholtz-Association
  • 2001-2002: Head, Junior Research Group, University of Tübingen
  • 1999-2000: Postdoctoral Fellow, Argonne National Laboratory
  • 1997-98: Research Associate, University of Rostock, Germany
  • 1993: Diploma in Physics, University of Rostock, Germany
  • 1995-96: Postdoctoral (Minerva) Fellow, Tel Aviv University, Israel
  • 1995: Ph.D., University of Rostock, Germany

  • 2001: Habilitation, Universität Rostock and Universität Tübingen
    -- "The QCD Phase Transition: Thermodynamic and Kinetic Aspects"

  • Emmy Noether Fellow of the DFG
  • F. Lynen Fellow of the A.v.Humboldt Foundation
  • Member, German Physical Society

    Selected papers


      66. Jorge Segovia, Lei Chang, Ian C. Cloët, Craig D. Roberts, Sebastian M. Schmidt and Hong-shi Zong
      Distribution amplitudes of light-quark mesons from lattice QCD
      arXiv:1311.1390 [nucl-th]


      65. Jorge Segovia, Chen Chen, Ian C. Cloët, Craig D. Roberts, Sebastian M. Schmidt and Shaolong Wan
      Elastic and transition form factors of the Δ(1232)
      arXiv:1308.5225 [nucl-th], Few Body Syst. in press


      64. Lei Chang, Craig D. Roberts and Sebastian M. Schmidt
      Light front distribution of the chiral condensate
      arXiv:1308.4708 [nucl-th], Phys. Lett. B 727 (2013) pp. 255–259


      63. Craig D. Roberts, Roy J. Holt and Sebastian M. Schmidt
      Nucleon spin structure at very high-x
      arXiv:1308.1236 [nucl-th], Phys. Lett. B 727 (2013) pp. 249–254


      62. L. Chang, I. C. Cloët, C. D. Roberts, S. M. Schmidt and P. C. Tandy
      Pion electromagnetic form factor at spacelike momenta
      arXiv:1307.0026 [nucl-th], Phys. Rev. Lett. 111 (2013) 141802 [5 pages]


      61. I. C. Cloët, L. Chang, C. D. Roberts, S. M. Schmidt and P. C. Tandy
      Pion distribution amplitude from lattice-QCD
      arXiv:1306.2645 [nucl-th], Phys. Rev. Lett. 111 (2013) 092001 [5 pages]


      60. Si-xue Qin, Lei Chang, Yu-xin Liu, Craig D. Roberts, Sebastian M. Schmidt
      Practical corollaries of transverse Ward-Green-Takahashi identities
      arXiv:1302.3276 [nucl-th], Phys. Lett. B 722 (2013) pp. 384–388


      59. Kun-lun Wang, Yu-xin Liu, Lei Chang, Craig D. Roberts and Sebastian M. Schmidt
      Baryon and meson screening masses
      arXiv:1301.6762 [nucl-th], Phys. Rev. D. 87 (2013) 074038 [22 pages]


      58. D. B. Blaschke, B. Kaempfer, S. M. Schmidt, A. D. Panferov, A. V. Prozorkevich and S. A.Smolyansky,
      Properties of the electron-positron plasma created from vacuum in a strong Laser Field I. Quasiparticle excitations
      arXiv:1301.1640 [physics.plasm-ph], Phys. Rev. D 88 (2013) 045017


      57. Lei Chang, J. Javier Cobos-Martinez, Ian Cloët, Craig D. Roberts, Sebastian M. Schmidt and Peter Tandy
      Imaging dynamical chiral symmetry breaking: pion wave function on the light front
      arXiv:1301.0324 [nucl-th], Phys. Rev. Lett. 110 (2013) 132001 (2013) [5 pages]


      56. Chen Chen, Lei Chang, Craig D. Roberts, Sebastian M. Schmidt, Shaolong Wan and David J. Wilson
      Features and flaws of a contact interaction treatment of the kaon
      arXiv:1212.2212 [nucl-th], Phys. Rev. C 87 (2013) 045207 [15 pages]


      55. Mario Pitschmann, Chien-Yeah Seng, Michael J. Ramsey-Musolf, Craig D. Roberts, Sebastian M. Schmidt and David J. Wilson
      Electric dipole moment of the rho-meson
      arXiv:1209.4352 [nucl-th], Phys. Rev. C87 (2013) 015205 [12 pages]


      54. Kun-lun Wang, Si-xue Qin, Yu-xin Liu, Lei Chang, Craig D. Roberts and Sebastian M. Schmidt
      Existence and stability of multiple solutions to the gap equation
      arXiv:1209.2757 [nucl-th], Phys. Rev. D86 (2012) 114001 [13 pages]
      53. Lei Chang, Craig D. Roberts and Sebastian M. Schmidt
      Dressed-quarks and the nucleon's axial charge
      arXiv:1207.5300 [nucl-th], Phys. Rev. C87 (2013) 015203 [9 pages]
      52. D.B. Blaschke, G. Röpke, S.M. Schmidt, S.A. Smolyansky and A.V. Tarakanov
      Kinetics of Photon Radiation off an electron-positron Plasma created from the Vacuum in a Strong Laser Field
      arXiv:1006.1098 [physics.plasm-ph], Contrib. Plasma Phys. 51 (2011) pp. 451-456
      51. G. Gregori et al. (incl. S.M. Schmidt)
      A proposal for testing subcritical vacuum pair production with high power lasers
      arXiv:1005.3280 [hep-ph], High Energy Dens. Phys. 6 (2010) 166
      50. D.B. Blaschke, S.M. Schmidt, S.A. Smolyansky and A.V. Tarakanov
      Self-Consistent Description of e+e-gamma Plasma Created from the Vacuum in a Strong Electric Laser Field
      arXiv:0912.0381 [physics.plasm-ph], Phys. Part. Nucl. 41 (2010) pp. 1004-1007
      49. D.B. Blaschke, A.V. Prozorkevich, G. Röpke, C.D. Roberts, S.M. Schmidt, D.S. Shkirmanov and S.A. Smolyansky
      Dynamical Schwinger effect and high-intensity lasers: Realising nonperturbative QED
      arXiv:0811.3570 [physics.plasm-ph], Eur. Phys. J. D55 (2009) pp. 341-358
      48. D.B. Blaschke, A.V. Prozorkevich, C.D. Roberts, S.M. Schmidt and S.A. Smolyansky
      Pair production and optical lasers
      nucl-th/0511085, Phys. Rev. Lett. 96 (2006) 140402 (4 pages)


      47. K. Langfeld, R. Pullirsch, H. Markum, C.D. Roberts and S.M. Schmidt
      Concerning the quark condensate
      nucl-th/0301024, Phys. Rev. C 67 (2003) 065206 (7 pages)


      46. P. Maris, A. Raya, C.D. Roberts and S.M. Schmidt,
      Facets of confinement and dynamical chiral symmetry breaking
      nucl-th/0208071, Eur. Phys. J. A 18 (2003) pp. 231-235;
      Contribution to the Proceedings of "Quark Nuclear Physics (QNP 2002)"
      Juelich, Germany, 9-14 Jun 2002 (pub. 22/10/03)


      45. C.D. Roberts, S.M. Schmidt and D.V. Vinnik
      Quantum effects with an X-ray free electron laser
      nucl-th/0206004, Phys. Rev. Lett. 89 (2002) 153901


      44. D.V. Vinnik, R. Alkofer, S.M. Schmidt, S.A. Smolyansky, V.V. Skokov and A.V. Prozorkevitch,
      Coupled fermion and boson production in a strong background mean-field
      nucl-th/0202034, Few Body Syst. 32 (2002) pp. 23-39


      43. M.B. Hecht, M. Oettel, C.D. Roberts, S.M. Schmidt, P.C. Tandy and A.W.Thomas
      Nucleon mass and pion loops
      nucl-th/0201084, Phys. Rev. C 65 (2002) 055204


      42. R. Alkofer, M.B. Hecht, C.D. Roberts, S.M. Schmidt and D.V. Vinnik,
      Pair Creation and an X-ray Free Electron Laser
      nucl-th/0108046, Phys. Rev. Lett. 87 (2001) 193902


      41. M.B. Hecht, C.D. Roberts and S.M. Schmidt,
      The Character of Goldstone Bosons, nucl-th/0106011
      Contribution to the Proceedings of the
      "Workshop on Lepton-Scattering, Hadrons and QCD,"
      CSSM, University of Adelaide, Australia, 26 March-6 April, 2001


      40. D.V. Vinnik, A.V. Prozorkevich, S.A. Smolyansky, V.D. Toneev, M.B. Hecht, C.D. Roberts and S.M. Schmidt,
      Plasma production and thermalisation in a strong field
      nucl-th/0103073, Eur. Phys. J. C 22 (2001) 341


      39. M.B. Hecht, C.D. Roberts and S.M. Schmidt
      Neutron electric dipole moment: Constituent-dressing and compositeness
      nucl-th/0101058, Phys. Rev. C 64 (2001) 025204 


      38. A.V. Prozorkevich, D.V. Vinnik, S.M. Schmidt, M.B. Hecht and C.D. Roberts, nucl-th/0012039
      Pair creation and plasma oscillations
      Contribution to the Proceedings of "Quark Matter in Astro- and Particlephysics,"
      A workshop at the University of Rostock, Germany, November 27 - 29, 2000.
      Eds. D. Blaschke, G. Burau and S.M. Schmidt 


      37. M.B. Hecht, C.D. Roberts and S.M. Schmidt, nucl-th/0012023
      Diquarks and Density
      Contribution to the Proceedings of "Physics of Neutron Star Interiors"
      A workshop at ECT*, Trento, Italy, June-July/2000  


      36. M.B. Hecht, C.D. Roberts and S.M. Schmidt, nucl-th/0011005
      Dyson-Schwinger Equations -- aspects of the pion
      Contribution to the Proceedings of ``DPF 2000''
      The Meeting of the Division of Particles and Fields of the American Physical Society
      August 9-12, 2000, Department of Physics, The Ohio State University, Columbus, Ohio 


      35. M.B. Hecht, C.D. Roberts and S.M. Schmidt, nucl-th/0010024
      Contemporary applications of Dyson-Schwinger equations
      Contribution to the Proceedings of ``Confinement IV:
      The 4th International Conference on Quark Confinement and the Hadron Spectrum,''
      Vienna, Austria, 3-8/Jul./2000 


      34. M.B. Hecht, C.D. Roberts and S.M. Schmidt
      Valence-quark distributions in the pion
      nucl-th/0008049, Phys. Rev. C 63 (2001) 025213  


      33. M.B. Hecht, C.D. Roberts and S.M. Schmidt, nucl-th/0005067
      DSE Hadron Phenomenology
      Contribution to the Proceedings of the
      Workshop on Light-Cone QCD and Nonperturbative Hadron Physics
      Adelaide, Australia, 13-22 Dec 1999  


      32. C.D. Roberts and S.M. Schmidt
      Dyson-Schwinger Equations:
      Density, Temperature and Continuum Strong QCD

      nucl-th/0005064, Prog. Part. Nucl. Phys. 45 (2000) pp. S1-S103  


      31. C.D. Roberts and S.M. Schmidt
      Temperature, chemical potential and the rho meson
      nucl-th/0002004, in Proceedings of the
      International Workshop XXVIII on Gross Properties of Nuclei and Nuclear Excitations
      (Hirschegg 2000) pp 185-191  


      30. P. Maris, C.D. Roberts, S.M. Schmidt and P.C. Tandy
      T-dependence of pseudoscalar and scalar correlations
      nucl-th/0001064, Phys. Rev. C 63 (2001) 025202 


      29. J.C.R. Bloch, C.D. Roberts and S.M. Schmidt
      Selected nucleon form factors and a composite scalar diquark
      nucl-th/9911068, Phys. Rev. C 61 (2000) 065207  


      28. J.C.R. Bloch, C.D. Roberts and S.M. Schmidt
      Memory effects and thermodynamics in strong field plasmas
      nucl-th/9910073, Phys. Rev. D 61 (2000) 117502  


      27. J.C.R. Bloch, M.A. Ivanov, T. Mizutani, C.D. Roberts and S.M. Schmidt
      K -> pi pi and a light scalar meson
      nucl-th/9910029, Phys. Rev. C 62 (2000) 25206  


      26. J. C. R. Bloch, C. D. Roberts, S. M. Schmidt, A. Bender, M. R. Frank
      Nucleon form factors and a nonpointlike diquark
      nucl-th/9907120, Phys. Rev. C 60 (Rapid Comm.) (1999) 062201  


      25. J. C. R. Bloch, C. D. Roberts and S. M. Schmidt
      Diquarks: condensation without bound states
      nucl-th/9907086, Phys. Rev. C 60 (1999) 065208  


      24. J.C.R. Bloch, V.A. Mizerny, A.V. Prozorkevich,
      C.D. Roberts, S.M. Schmidt, S.A. Smolyansky and D.V. Vinnik
      Pair creation: back-reactions and damping
      nucl-th/9907027, Phys. Rev. D 60 (1999) 116011  


      23. J. C. R. Bloch, Yu. L. Kalinovsky, C. D. Roberts and S. M. Schmidt
      Describing a1 and b1 decays
      nucl-th/9906038, Phys. Rev. D 60 (Rapid Comm.) (1999) 111502  


      22. C. D. Roberts and S. Schmidt
      Dyson-Schwinger Equations and the Quark-Gluon Plasma
      Summary of presentations by the authors at the Workshop
      Understanding Deconfinement in QCD
      ECT*, Trento, Italy, 1-13 March, 1999; nucl-th/9903075. 


      21. S. Schmidt, D. Blaschke, G. Röpke, A.V. Prozorkevich, S.A. Smolyansky and V.D. Toneev
      Non-Markovian effects in strong-field pair creation
      hep-ph/9810452, Phys. Rev. D 59 (1999) 094005. 


      20. S.A. Smolyansky, A.V. Prozorkevich, D.V. Vinnik, V.D. Toneev, D. Blaschke, G. Röpke and S. Schmidt
      A quantum kinetic equation in light-cone variables for particle creation in strong fields
      Proc. X Int. Sem. on high Energy Physics Problems, Dubna, Russia, 1998. 


      19. S. Schmidt, A.V. Prozorkevich and S.A. Smolyansky
      Creation of boson and fermion pairs in strong fields
      Proceedings 'V. Workshop on Nonequilibrium Physics at Short Time Scales', April 27-30, 1998; hep-ph/9809233. 


      18. S. Schmidt, D. Blaschke, G. Röpke, S.A. Smolyansky, V.D. Toneev and A.V. Prozorkevich
      A quantum kinetic equation for particle production in the Schwinger mechanism
      hep-ph/9809227, Int. J. Mod. Phys. E 7 (1998) 709. 


      17. D. Blaschke, A. Höll, C.D. Roberts and S. Schmidt
      Analysis of chiral and thermal susceptibilities
      Phys. Rev. C 58 (1998) 1758. 


      16. D. Blaschke, H. Grigorjan, G. Poghosyan, C.D. Roberts, S. Schmidt
       A dynamical, confining model and hot quark stars
      Phys. Lett. B 450 (1999) pp. 207-214. 


      15. P. Maris, C.D. Roberts, S. Schmidt
      Chemical potential dependence of pi and rho- properties
      Phys. Rev. C 57 (1998) R2821. 


      14. S. Smolyansky, G. Röpke, S. Schmidt, D. Blaschke, V.D. Toneev, A.V. Prozorkevich
      Dynamical derivation of a quantum kinetic equation for particle production in the Schwinger mechanism
      hep-ph/9712377, GSI-Preprint-97-72, December 1997. 


      13. A. Bender, G.I. Poulis, C.D. Roberts, S. Schmidt and A.W. Thomas
       Deconfinement at finite chemical potential
      Phys. Lett. B431 (1998) 263-269. 


      12. S.A. Smolyansky, A.V. Prozorkevich, S. Schmidt, D. Blaschke, G. Röpke and V.D. Toneev
       Relativistic quantum kinetic equations of the Vlasov type for systems with internal degrees of freedom
      Int. J. of Mod. Phys. E7 (1998) 515-526. 


      11. D. Blaschke,Yu.L. Kalinovsky, S. Schmidt and H.-J. Schulze
       Scalar correlations in a quark plasma and low mass dilepton production
      Phys.Rev. C57 (1998) 438-441 . 


      10. D. Blaschke, C. D. Roberts, S. Schmidt
       Thermodynamic properties of a simple, confining model
      Phys. Lett. B425 (1998) 232-238. 


      9. M. K. Volkov, E. A. Kuraev, D. Blaschke, G. Röpke, S. Schmidt
       Excess low energy photon pairs from pion annihilation at the chiral phase transition
      Phys. Lett. B424 (1998) 235-243. 


      8. S. Smolyansky, G. Röpke, S. Schmidt, D. Blaschke, V.D. Toneev, A.V. Prozorkevich
      Dynamical derivation of a quantum kinetic equation for particle production in the Schwinger mechanism
      Proc. IX Int. Sem. on high Energy Physics Problems, Dubna, Russia, 1997; hep-ph/9712377. 


      7. S. Smolyansky, D. Blaschke, G. Röpke, S. Schmidt
      Derivation of quantum kinetic equations of the Vlasov type
      Proc. XIII Int. Sem. on high Energy Physics Problems, Dubna, Russia, 2-7 Sept, 1996. 


      6. D. Blaschke, Yu.L. Kalinovsky, G. Röpke, S. Schmidt, M.K. Volkov
      1/Nc-expansion of the quark condensate at finite temperature
      Phys. Rev. C 53 (1996) 2394 - 2400. 


      5. D. Blaschke, M. Jaminon, Yu.L. Kalinovsky, P. Petrow, S. Schmidt, B. van den Bossche
      Anomalous pion decay in effective QCD at finite temperature
      Nucl. Phys. A 592 (1995) 561 - 80 . 


      4. D. Blaschke, Yu.L. Kalinovsky, L. Münchow, V.N. Pervushin, G. Röpke and S. Schmidt
       Instantaneous Chiral Quark Model for Relativistic Mesons in a Hot and Dense Medium
      Nucl. Phys. A 586 (1995) 711 - 733 . 


      3. S. Schmidt, D. Blaschke and Yu.L. Kalinovsky
       Low energy theorems in a nonlocal chiral quark model at finite temperature
      Z. Phys. C 66 (1995) 485 - 490. 


      2. S. Schmidt, D. Blaschke and Yu.L. Kalinovsky:
       Scalar--pseudoscalar meson masses in nonlocal effective QCD
      Phys. Rev. C 50 (1994) 435 - 46. 


      1. D. Blaschke, Yu.L. Kalinovsky, V.N. Pervushin, G. Röpke and S. Schmidt:
       On the chiral transition temperature in bilocal effective QCD
      Z. Phys. A 346 (1993) 85 - 6. 

      Theoretical Physics