Dr. Jürgen Stein

List of publications

  1. J. Stein, N. Sahoo, S. B. Sulaiman, T. P. Das: Theory of Cu-63 nuclear quadrupole interaction in cuprite, Hyperfine Interact. 60 (1990) 849 (Abstract)

  2. S. B. Sulaiman, N. Sahoo, S. Markert, J. Stein, T. P. Das, K. Nagamine: Theory of electron distributions and Cu-63 and O-17 nuclear quadrupole interactions in YBa2Cu3O7 and YBa2Cu3O6, Bull. Mater. Sci. 14 (1991) 149 (Abstract)

  3. J. Stein, R. Oppermann: A spin-dependent Popov-Fedotov trick and a new loop expansion for the strong-coupling negative-U Hubbard model, Z. Phys. B 83 (1991) 333 (Abstract)

  4. J. Stein, R. Oppermann: Eta-pairing superconductivity in the spin-polarized strong-coupling negative-U Hubbard model, Phys. Rev. B 46 (1992) 8409 (Abstract)

  5. J. Stein: Field theoretic treatment of the strong-coupling attractive Hubbard model with diagonal disorder, J. Phys. Condens. Matter 5 (1993) 371 (Abstract)

  6. J. Stein: Eta-pairing superconductivity in the negative-U Hubbard model: Effect of fluctuations and disorder, Int. J. Mod. Phys. B 8 (1994) 2041 (Abstract)

  7. J. Stein, R. Oppermann: One-loop result for the Bogoliubov-Anderson mode of the superconducting strong-coupling attractive Hubbard model, Phys. Lett. A 184 (1994) 370 (Abstract)

  8. O. Veits, R. Oppermann, M. Binderberger, J. Stein: Extension of the Popov-Fedotov method to arbitrary spin, J. Phys. I France 4 (1994) 493 (Abstract)

  9. J. Stein: Coupling of fluctuation modes in the disordered strongly attractive Hubbard model, Z. Phys. B 95 (1994) 79 (Abstract)

  10. J. Stein, O. Entin-Wohlman, A. Aharony: Weak ferromagnetism in the low-temperature tetragonal phase of the cuprates, Phys. Rev. B 53 (1996) 775 (Abstract) (Postscript-File)

  11. J. Stein: Nonlocal Coulomb interactions and the magnetic anisotropies in the low-temperature phases of the cuprates, Phys. Rev. B 53 (1996) 785 (Abstract) (Postscript-File)

  12. J. Stein: Critical properties of a spin glass with anisotropic Dzyaloshinskii-Moriya interaction, J. Phys. A 29 (1996) 963 (Abstract) (Postscript-File)

  13. J. Stein: Critical exponents of the U(n) vector spin glasses, Europhys. Lett. 34 (1996) 717 (Abstract) (Postscript-File)

  14. J. Stein: Interacting fluctuations and the two-loop order parameters of the strong-coupling negative-U Hubbard model, Nucl. Phys. B 483 (1997) 552 (Abstract) (Postscript-File)

  15. J. Stein: Superfluid density of the two-dimensional strong-coupling attractive Hubbard model, Phys. Lett. A 224 (1997) 282 (Abstract) (Postscript-File)

  16. J. Stein: Flow equations and the strong-coupling expansion for the Hubbard model, J. Stat. Phys. 88 (1997) 487 (Abstract) (Postscript-File)

  17. J. Stein: Quantum fluctuations and the ground-state phase diagram of the strong-coupling Holstein-Hubbard model, Europhys. Lett. 39 (1997) 413 (Abstract) (Postscript-File)

  18. J. Stein: Flow equations and extended Bogoliubov transformation for the Heisenberg antiferromagnet near the classical limit, Eur. Phys. J. B 5 (1998) 193 (Abstract) (Postscript-File)

  19. J. Stein: Flow equations and the Ruderman-Kittel-Kasuya-Yosida interaction, Eur. Phys. J. B 12 (1999) 5 (Abstract) (Postscript-File)

  20. J. Stein: Unitary flow of the bosonized large-N Lipkin model, J. Phys. G 26 (2000) 377 (Abstract) (Postscript-File)

  21. J. Stein: Flow equations and new weak-coupling solution for the spin-polaron in a quantum antiferromagnet, Europhys. Lett. 50 (2000) 68 (Abstract) (Postscript-File)

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