Kim Lefmann
Professor
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 69-76Research output: Contribution to journal › Journal article › Research › peer-review
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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. 160-160Research output: Contribution to journal › Comment/debate › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 092412Research output: Contribution to journal › Journal article › Research › peer-review
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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. 092413Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 68-78Research output: Contribution to journal › Conference article › Research › peer-review
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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. SB004Research output: Contribution to journal › Conference article › Research › peer-review
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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-S103Research output: Contribution to journal › Conference article › Research › peer-review
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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. 77-85Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 27-34Research output: Contribution to journal › Journal article › Research › peer-review
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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-7Research output: Contribution to journal › Conference article › Research › peer-review
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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. 2361-2364Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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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. 133-141Research output: Contribution to journal › Journal article › Research › peer-review
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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 journal › Journal article › Research › peer-review
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Spin excitations and quantum criticality in the quasi-one-dimensional Ising-like ferromagnet CoCl2 center dot 2D2O in a transverse field
Larsen, J., Schaffer, T. K., Hansen, U. B., fvh927, fvh927, Ahl, S. R., Toft-Petersen, R., Taylor, J., Ehlers, G., Jensen, Jens, Ronnow, H. M., Lefmann, Kim & Christensen, N. B., 20 Nov 2017, In: Physical Review B. 96, 17, 174424.Research output: Contribution to journal › Journal article › Research › peer-review
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Competing superconducting and magnetic order parameters and field-induced magnetism in electron-doped Ba(Fe1-xCox)(2)As-2
Larsen, J., Uranga, B. M., Stieper, G., fvh927, fvh927, Bernhard, C., Wolf, T., Lefmann, Kim, Andersen, Brian Møller & Niedermayer, C., 13 Jan 2015, In: Physical Review B. 91, 2, 10 p., 025404.Research output: Contribution to journal › Journal article › Research › peer-review
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Field-induced magnetic incommensurability in multiferroic Ni3TeO6
Lass, J., Andersen, C. R., Leerberg, H. K., Birkemose, S., Toth, S., Stuhr, U., Bartkowiak, M., Niedermayer, C., Lu, Z., Toft-Petersen, R., Retuerto, M., Birk, J. O. & Lefmann, Kim, 2020, In: Physical Review B. 101, 5, p. 1-9 9 p., 054415.Research output: Contribution to journal › Journal article › Research › peer-review
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MJOLNIR: A software package for multiplexing neutron spectrometers
Lass, J., Jacobsen, H., Mazzone, D. G. & Lefmann, Kim, 1 Dec 2020, In: SoftwareX. 12, 9 p., 100600.Research output: Contribution to journal › Journal article › Research › peer-review
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Multinomial, Poisson and Gaussian statistics in count data analysis
Lass, J., Boggild, M. E., Hedegård, Per & Lefmann, Kim, 2021, In: Journal of Neutron Research. 23, 1, p. 69-92 24 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Visualisation by high resolution synchrotron X-ray phase contrast micro-tomography of gas films on submerged superhydrophobic leaves
Lauridsen, T., Glavina, K., Colmer, T. D., Winkel, A., Irvine, S., Lefmann, Kim, Feidenhans'l, Robert Krarup & Pedersen, Ole, 1 Oct 2014, In: Journal of Structural Biology. 188, 1, p. 61-70Research output: Contribution to journal › Journal article › Research › peer-review
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Thermodynamics of Rh nuclear spins calculated by exact diagonalization
Lefmann, Kim, Ipsen, J., Rasmussen, Finn Berg & Rasmussen, Finn Berg, 1 Jan 2000, In: Physica B: Condensed Matter. 284-288, PART II, p. 1702-1703 2 p.Research output: Contribution to journal › Journal article › Research
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Special Issue: Workshop on the Monte Carlo Simulation of Neutron Scattering Instruments MCNSI7
Lefmann, Kim & Šaroun, J., 1 Jan 2014, In: Journal of Neutron Research. 17, 1, p. 3-3Research output: Contribution to journal › Journal article › Research › peer-review
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Dynamical correlation functions of the S=½ nearest-neighbor and Haldane-Shastry Heisenberg antiferromagnetic chains in zero and applied fields
Lefmann, Kim & Rischel, C., 1 Sep 1996, In: Physical Review B. 54, p. 6340-6350Research output: Contribution to journal › Journal article › Research › peer-review
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Bodegadage (on the physics of billiards)
Lefmann, Kim, 19 Nov 1993, In: Monthly Communication from the Faculty of Science . 2, p. 15-16Research output: Contribution to journal › Journal article › Communication
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Simulation of a multiple-wavelength time-of-fligt neutron spectrometer for a long-pulsed spallation source
Lefmann, Kim, Schober, H. & Mezei, F., 2008, In: Measurement Science and Technology. 19, 3, p. 034025 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Simulation of a suite of generic long-pulse neutron instruments to optimize the time structure of the European Spallation Source
Lefmann, Kim, Klenø, K. H., Birk, J. O., Hansen, B. R., fvh927, fvh927, Knudsen, E., Lieutenant, K., von Moos, L., Sales, M., Willendrup, P. K. & Andersen, K. H., 2013, In: Review of Scientific Instruments. 84, 5, 9 p., 055106.Research output: Contribution to journal › Journal article › Research › peer-review
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Neutron scattering cross section of the S=1/2 Heisenberg triangular antiferromagnet
Lefmann, Kim & Hedegård, Per, 1 Jul 1994, In: Physical Review B. Condensed Matter and Materials Physics. 50, 1047.Research output: Contribution to journal › Journal article › Research › peer-review
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Design and simulation of instruments for a long-pulsed spallation source - ESS
Lefmann, K., Willendrup, P. K., Knudsen, E., Larsen, F. K., Lieutenant, K., Habitch, K., Strobl, M., Kleno, K. H., Voigt, J., Frielinghaus, H., Manoshin, S., Stahn, J., Kohlbrecher, J., Filges, U., Farhi, E., Bentley, P., Cubitt, B., Wiedenmann, A., Regnault, L-P., Menelle, A. & 12 others, , 2009. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Virtual experiments: the ultimate aim of neutron ray-tracing simulations
Lefmann, Kim, Willendrup, P. K., Udby, L., Lebech, B., Mortensen, Kell, Birk, J. O., Klenø, K. H., Knudsen, E., Christiansen, P., Saroun, J., Kulda, J., Filges, U., Konnecke, M., Tregenna-Piggott, P., Peters, J., Lieutenant, K., Zsigmond, G., Bentley, P. & Fahri, E., 2008, In: Journal of Neutron Research. 16, 3-4, p. 97-111 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Nordic neutron Scattering Communities 2008-2013 - a bibliometric study
Lefmann, Kim & Bakke, A., 1 Aug 2013Research output: Other contribution › Communication
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Superflydende He-4
Lefmann, Kim & Rischel, C., 18 Nov 1989, In: Gamma. 75, p. 3-13Research output: Contribution to journal › Journal article › Communication
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Optimal shape of a cold-neutron triple-axis spectrometer
Lefmann, Kim, Filges, U., Treue, F., Kirkensgaard, Jacob Judas Kain, Plesner, B., Hansen, K. S. & Klenø, K. H., 1 Apr 2011, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 634, 1 (Suppl. 1), p. S1-S6 6 p.Research output: Contribution to journal › Conference article › Research › peer-review
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Dynamic rotor mode in antiferromagnetic nanoparticles
Lefmann, Kim, Garde, J., Jacobsen, Henrik, Hedegård, Per, Ancona, S. N., Bahl, C. R. H. & Kuhn, L. T., 2015, In: Physical Review B. 91, 10 p., 094421.Research output: Contribution to journal › Journal article › Research › peer-review
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kernemagnetisk orden i sølv, verden 3. koldeste forsøg ( Nuclear magnetic order in silver the 3rd coldest experiment ever)
Lefmann, Kim & Rasmussen, Finn Berg, 1 Mar 1996, In: Kvant. 8Research output: Contribution to journal › Journal article › Communication
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Realizing the full potential of a RITA spectrometer
Lefmann, Kim, Abrahamsen, A. B., Bahl, C. R. H., Christensen, N. B., Jacobsen, H. S., Larsen, T. L., Häflinger, P., Filges, U. & Rønnow, H. M., 27 Nov 2006, In: Physica B: Condensed Matter. 385-386, 2, p. 1083-1085Research output: Contribution to journal › Conference article › Research › peer-review
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Simulation of a suite of generic long-pulse neutron instruments to optimize the time structure of the European Spallation Source accelerator: Report to ESS-SAC
Lefmann, Kim, Filges, U., fvh927, fvh927, Klenø, K. H., Lieutenant, K., Knudsen, E., von Moos, L., Sales, M. & Willendrup, P. K., 1 Oct 2010Research output: Other contribution › Research
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NMR spectra of pure 13C diamond
Lefmann, Kim, Buras, B., Pedersen, E. J., Shabanova, E. S., Thorsen, P. A., Rasmussen, Finn Berg & Sellschop, J. P. F., 1 Dec 1994, In: Physical Review B. 50, 15623.Research output: Contribution to journal › Journal article › Research › peer-review
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ESS, en forskningsfacilitet i verdensklasse under opbygning i Lund
Lefmann, Kim, Arleth, Lise, Christensen, N. B., Møller, S. P., Skelboe, Stig & Willendrup, P. K., 1 Feb 2011, In: Kvant. 22, 1, p. 25-32Research output: Contribution to journal › Journal article › Communication
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Status of the danish Neutron Scattering Society
Lefmann, Kim, 1 Mar 2011Research output: Other contribution › Communication
ID: 3673604
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Solitonic lattice and Yukawa forces in the rare-earth orthoferrite TbFeO3
Research output: Contribution to journal › Journal article › Research › peer-review
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50 Years of Swiss Neutron Diffraction Instrumentation
Research output: Contribution to journal › Journal article › Research
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Long-Pulse Neutron Instrumentation Workshop, August 26-28, 2009
Research output: Other contribution › Research
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