Kim Lefmann

Kim Lefmann

Professor

Member of:


    1. Published

      Field-induced tomonaga-luttinger liquid phase two-leg spin 1/2 ladder with strong leg interactions

      Hong...[et al.], T., Kim, Y. H., Hotta, C. & Lefmann, Kim, 23 Sep 2010, In: Physical Review Letters. 105, 13, p. 137207 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    2. Published

      Effects of ground movements on realistic guide models for the European Spallation Source

      Husgard, A., Olsen, M. A., Frøystad, R., Hyatt, J. P., zxj803, Z., Toft-Petersen., R. & Lefmann, Kim, 8 Oct 2020, In: Physical Review Accelerators and Beams. 23, 10, 8 p., 103501.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      Distinct Nature of Static and Dynamic Magnetic Stripes in Cuprate Superconductors

      Jacobsen, Henrik, fvh927, fvh927, Lacatusu, M. -., Romer, A. T., Bertelsen, M., Boehm, M., Toft-Petersen, R., Grivel, J. -., Emery, S. B., Udby, L., Wells, B. O. & Lefmann, Kim, 18 Jan 2018, In: Physical Review Letters. 120, 3, 5 p., 037003.

      Research output: Contribution to journalJournal articleResearchpeer-review

    4. Published

      Temperature dependence of the magnetization of canted spin structures

      Jacobsen, Henrik, Lefmann, Kim, Brok, E., Frandsen, C. & Morup, S., 1 Sep 2012, In: Journal of Magnetism and Magnetic Materials. 324, 19, p. 3218-3222 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    5. Published

      Bi-spectral extraction through elliptic neutron guides

      Jacobsen, Henrik, Lieutenant, K., Zendlle, C. & Lefmann, Kim, 21 Jul 2013, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 717, p. 69-76

      Research output: Contribution to journalJournal articleResearchpeer-review

    6. Published

      Corrigendum to "Bi-spectral extraction through elliptic neutron guides " [Nucl.Inst.and Meth A717(2013) 69-76]

      Jacobsen, Henrik, Lieutenant, K., Zendlle, C. & Lefmann, Kim, 11 Apr 2014, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 743, p. 160-160

      Research output: Contribution to journalComment/debateResearchpeer-review

    7. Published

      Diffuse spin waves and classical spin liquid behavior in the kagomé antiferromagnet chromium jarosite, KCr3(OD)6(SO4)2

      Janas, S., Lolk, S. L., Andersen, A. B. A., Guidi, T., Voneshen, D., Živković, I., Nielsen, U. G. & Lefmann, Kim, 29 Aug 2023, In: Physical Review B. 108, 6, 14 p., 064432.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      Classical Spin Liquid or Extended Critical Range in h-YMnO3?

      Janas, S., Lass, J., Tutueanu, A., Haubro, M. L., Niedermayer, C., Stuhr, U., Xu, G., Prabhakaran, D., Deen, P. P., fvh927, fvh927 & Lefmann, Kim, 11 Mar 2021, In: Physical Review Letters. 126, 10, 6 p., 107203.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      Structural characterization and magnetic properties of chromium jarosite KCr3(OD)6 (SO4)2

      Janas, S., Sorensen, M. B., Andersen, A. B. A., Juelsholt, M., Boehm, M., Pedersen, K. S., Jensen, Kirsten Marie Ørnsbjerg, Lefmann, Kim & Nielsen, U. G., 21 Nov 2020, In: Physical Chemistry Chemical Physics. 22, 43, p. 25001-25010 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      Field-induced competing interactions for ferroelectric polarization in  LiNiPO4

      Jensen, T. B. S., Christensen, N. B., Kenzelmnn, M., Rønnow, H. M., Niedermayer, C., Andersen, N. H., Lefmann, Kim, Schefer, J., Zimmermann, M. V., Li, J., Zarestsky, J. L. & Vaknin, D., 2009, In: Physical Review B Condensed Matter. 79, 9, p. 092412

      Research output: Contribution to journalJournal articleResearchpeer-review

    11. Published

      Anomalous spin waves in the commensurate-incommensurate magnetic phase transition in  LiNiPO4

      Jensen, T. B. S., Christensen, N. B. & Lefmann, Kim, 2009, In: Physical Review B Condensed Matter. 79, 9, p. 092413

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. Published

      Nanocriticality in the magnetic phase transition of CoO nanoparticles

      Kamminga, M. E., Birk, J. O., Hjøllum, J., Jacobsen, Henrik, Lass, J., Koch, T. L., Christensen, N. B., Niedermayer, C., Keller, L., Kuhn, L. T., Ulrikkeholm, E. T., Brok, E., Frandsen, C. & Lefmann, Kim, 2023, In: Physical Review B. 107, 6, 6 p., 064424.

      Research output: Contribution to journalJournal articleResearchpeer-review

    13. Published

      Evolution of magnetic stripes under uniaxial stress in La1.885Ba0.115CuO4 studied by neutron scattering

      Kamminga, M. E., Krighaar, Kristine Marie Løfgren, Romer, A. T., Sandberg, L. O., Deen, P. P., Boehm, M., Gu, G. D., Tranquada, J. M. & Lefmann, Kim, 12 Apr 2023, In: Physical Review B. 107, 14, 5 p., 144506.

      Research output: Contribution to journalJournal articleResearchpeer-review

    14. Published

      Magnetic anisotropy and quantized spin waves in hematite nanoparticles

      Klausen, S. N., Lefmann, Kim, Lindgård, P., Kuhn, L. T., Bahl, C. R. H., Frandsen, C., Mørup, S., Roessli, B., Cavadini, N. & Niedermayer, C., 9 Dec 2004, In: Physical Review B. 70, 214411.

      Research output: Contribution to journalJournal articleResearchpeer-review

    15. Published

      An inelastic neutron scattering study of hematite nanoparticles

      Klausen, S. N., Lefmann, Kim, Lindgård, P., Klausen, N. K., Hansen, M. F., Bødker, F., Mørup, S. & Telling, M., 1 Oct 2003, In: Journal of Magnetism and Magnetic Materials. 266, 1-2, p. 68-78

      Research output: Contribution to journalConference articleResearchpeer-review

    16. Published

      Thermal chopper spectrometer for the European spallation source: Proceedings of the International Workshop on Neutron Applications on Strongly Correlated Electron Systems 2011 (NASCES11)

      Klenø, K. H. & Lefmann, Kim, 20 Dec 2011, In: Journal of the Physical Society of Japan. 80, Sppl.B, p. SB004

      Research output: Contribution to journalConference articleResearchpeer-review

    17. Published

      Eliminating line of sight in elliptic guides using gravitational curving

      Klenø, K. H., Willendrup, P. K., Lefmann, Kim & Knudsen, E., 1 Apr 2011, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634, Suppl. 1, p. S100-S103

      Research output: Contribution to journalConference articleResearchpeer-review

    18. Published

      Simulations of chopper jitter at the LET neutron spectrometer at the ISIS TS2

      Klenø, K. H., Lefmann, Kim, Willendrup, P. K., Christiansen, P. & Bewley, R., 9 Apr 2014, In: Journal of Neutron Research. 17, 2, p. 77-85

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      Systematic performance study of common neutron guide geometries

      Klenø, K. H., Lieutenant, K., Andersen, K. H. & Lefmann, Kim, 22 Dec 2012, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 696, p. 75-84 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      Investigation of propagation algorithms for ray-tracing simulation of polarized neutrons

      Knudsen, E. B., Rømer, A. T., Willendrup, P. K., Christiansen, P. & Lefmann, Kim, 1 Jan 2014, In: Journal of Neutron Research. 17, 1, p. 27-34

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. Published

      McXtrace: a modern ray-tracing package for x-ray instrumentation

      Knudsen, E. B., Prodi, A., Willendrup, P. K., Lefmann, Kim, Baltser, J., Gundlach, C., Sanchez del Rio, M., Ferrero, C. & Feidenhans'l, Robert Krarup, 23 Sep 2011, In: Proceedings of SPIE. 8141, p. 81410G-81410G-7

      Research output: Contribution to journalConference articleResearchpeer-review

    22. Published

      McStas-model of the Delft SESANS

      Knudsen, E., Udby, L., Willendrup, P. K., Lefmann, Kim & Bouwman, W. G., 1 Jun 2011, In: Physica B: Condensed Matter. 406, 12, p. 2361-2364

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Neutron study of magnetic excitations in 8-nm α-Fe2O3 nanoparticles

      Kuhn, L. T., Lefmann, Kim, Bahl, C. R. H., Nyborg Ancona, S., Lindgård, P., Frandsen, C., Madsen, D. E. & Steen, M., 3 Nov 2006, In: Physical Review B. 74, 184406.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      A compact time-of-flight SANS instrument optimised for measurements of small sample volumes at the European Spallation Source

      Kynde, S., Kleno, K. H., Nagy, G., Mortensen, Kell, Lefmann, Kim, Kohlbrecher, J. & Arleth, Lise, 11 Nov 2014, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 764, p. 133-141

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. Published

      Exact diagonalization study of the Hubbard-parametrized four-spin ring exchange model on a square lattice

      Larsen, C. B., Rømer, A. T., Janas, S., Treue, F., Mønsted, B., Shaik, N. E., Rønnow, H. M. & Lefmann, Kim, 2019, In: Physical Review B. 99, 5, 12 p., 054432.

      Research output: Contribution to journalJournal articleResearchpeer-review

    ID: 3673604