Aarhus University Seal / Aarhus Universitets segl

Jeppe Olsen

  1. 2001
  2. Published

    Direct optimization of the atomic-orbital density matrix using the conjugate-gradient method with a multilevel preconditioner. / Larsen, H.; Olsen, J.; Jørgensen, P.; Helgaker, T.

    In: Journal of Chemical Physics, Vol. 115, 2001, p. 9685-9697.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  3. Published

    Geometrical derivatives and magnetic properties in atomic-orbital density-based Hartree-Fock theory. / Larsen, H.; Helgaker, T.; Olsen, J.; Jørgensen, P.

    In: Journal of Chemical Physics, Vol. 115, 2001, p. 10344-10352.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  4. Published

    Highly accurate ab initio computation of thermochemical data. / Helgaker, T.; Bak, K.L.; Halkier, A.; Jørgensen, P.; Klopper, W.; Olsen, J.; I.J.Cioslowski. (Editor).

    Quantum-Mechanical Prediction of Thermochemical Data. Dordrecht : Kluwer Academic Publishers, 2001.

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearch

  5. Published

    The Accurate Determination of Molecular Equlibrium Structures. / Bak, K.L.; Gauss, J.; Jørgensen, P.; Olsen, J.; Helgaker, T.; Stanton, J.F.

    In: Journal of Chemical Physics, Vol. 114, 2001, p. 6548-6556.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  6. Published

    The generalized active space concept for the relativistic treatment ofelectron correlation. I. Kramers-restricted two-component configuration interaction. / Fleig, T.; Olsen, J.; Marian, C.M.

    In: J. Chem. Phys. B., 2001.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. Published

    Triplet excitation energies in full configuration interaction and coupled-cluster theory. / Larsen, H.; Hald, K.; Olsen, J.; Jørgensen, P.

    In: Journal of Chemical Physics, Vol. 115, 2001, p. 3015-3020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. 2000
  9. Published

    Coupled-cluster singles, doubles and triples (CCSDT) calculations of atomization energies. / Bak, Keld L.; Jørgensen, Poul; Olsen, Jeppe; Helgaker, T.; Gauss, J.

    In: Chemical Physics Letters, Vol. 317, No. 1-2, 2000, p. 116-122.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  10. Published

    Full configuration interaction benchmarking of coupled-cluster models for the lowest singlet energy surfaces of N2. / Larsen, Helena; Olsen, Jeppe; Jørgensen, Poul; Christiansen, O.

    In: Journal of Chemical Physics, Vol. 113, No. 16, 6677, 2000.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. 1995
  12. Published

    ACCURATE MAGNETIZABILITIES OF THE ISOELECTRONIC SERIES BEH-, BH, AND CH+ - THE MCSCF-GIAO APPROACH. / Ruud, K.; Helgaker, T.; Bak, Keld L.; Jørgensen, Poul; Olsen, Jeppe.

    In: Chemical Physics, Vol. 195, No. 1-3, 01.06.1995, p. 157-169.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  13. Published

    A NUMERICALLY STABLE ORBITAL CONNECTION FOR THE CALCULATION OF ANALYTICAL HESSIANS USING PERTURBATION-DEPENDENT BASIS-SETS. / Ruud, K.; Helgaker, T.; Olsen, Jeppe; Jørgensen, Poul; Bak, Keld L.

    In: Chemical Physics Letters, Vol. 235, No. 1-2, 17.03.1995, p. 47-52.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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