Scientific work of D.H.Jakubaßa-Amundsen:

1. The essential spectrum of relativistic one-electron ions in the Jansen-Hess model
  D.H.Jakubaßa-Amundsen, Math. Phys. Electron. J. 8 (2002) No.3 dvi pdf

2. On the positivity of the Jansen-Hess operator for arbitrary mass
  A.Iantchenko and D.H.Jakubaßa-Amundsen, Ann. Henri Poincare 4 (2003) 1-17 pdf ps

3. Spectral theory of the atomic Dirac operator in the no-pair formalism
  D.H.Jakubaßa-Amundsen, PhD Thesis, University of Munich (2004) pdf ps

4. The projected single-particle Dirac operator for Coulombic potentials
  D.H.Jakubaßa-Amundsen, Doc. Math. 10 (2005) 331-356 pdf ps

5. A pseudo-relativistic operator for a two-electron ion
  D.H.Jakubaßa-Amundsen, Phys. Rev A71 (2005) 032105 pdf ps

6. The HVZ theorem for a pseudo-relativistic operator
  D.H.Jakubaßa-Amundsen, Ann. Henri Poincare 8 (2007) 337-360 pdf ps

7. Localization of the essential spectrum for relativistic N-electron ions and atoms
  D.H.Jakubaßa-Amundsen, Doc. Math. 10 (2005) 417-445 pdf ps

8. The single-particle pseudorelativistic Jansen-Hess operator with magnetic field
  D.H.Jakubaßa-Amundsen, J.Phys.A: Math.Gen. 39 (2006) 7501-7516 pdf

9. On the essential spectrum of the Jansen-Hess operator for two-electron ions
  D.H.Jakubaßa-Amundsen, MPEJ 14 (2007) No.7, 1-23 pdf

10. Heat kernel estimates and spectral properties of a pseudorelativistic operator with magnetic field
  D.H.Jakubaßa-Amundsen, J.Math.Phys. 49 (2008) 032305, 1-22 pdf

11. On the point spectrum of a relativistic electron in an electric and magnetic field
  D.H.Jakubaßa-Amundsen, J.Phys. A: Math. Theor. 41 (2008) 275304 -- 1-17 pdf

12. Variational ground state for relativistic ions in strong magnetic fields
  D.H.Jakubaßa-Amundsen, Phys. Rev. A 78 (2008) 062103 -- 1-9 pdf

13. The ground state of relativistic ions in the limit of high magnetic fields
  D.H.Jakubaßa-Amundsen, Ann. Henri Poincare 10 (2009) 1207-1222 pdf

14. Scaling of the ground state energy of relativistic ions in high locally bounded magnetic fields
  D.H.Jakubaßa-Amundsen, J. Math. Phys. 51 (2010) 082303 pdf Fig1pdf Fig2pdf Fig3pdf

15. Antibinding of atomic electrons in strong inhomogeneous magnetic fields
  D.H.Jakubaßa-Amundsen, Phys. Rev. A 84 (2011) 022501 pdf Figspdf