Clive Sigurd Ellegaard

Clive Sigurd Ellegaard

Associate Professor emeritus


  1. Published

    Experiment and model for the dynamics of vortex ripples in sand

    Abel, M., Andersen, K. H., Ellegaard, Clive Sigurd, Krug, J., Søndergaard, L. R. & Udesen, J., 1 Apr 2003, In: AIP Conference Proceedings. 676, p. 171-181

    Research output: Contribution to journalConference articleResearchpeer-review

  2. Published

    SPES4-pi: installation for exclusive study of nuclear reactions

    Alkhazov, GD., Astashin, VV., Atamanchuk, AG., Augustyniak, W., Bachelier, D., Baublis, VV., Boivin, M., Boyard, JL., Clavelin, JF., Courtat, P., Denoit, M., Douet, R., Ellegaard, C., Farhi, L., Gaarde, C., Gacougnolle, R., Gerzenstein, VY., Golovtsov, VL., Golubev, VV., Hennino, T. & 31 others, Jourdain, J., Khanzadeev, A., Komkov, B., Kravtsov, A., Kudin, L., Kunne, R., Larsen, J., Lebon, S., Malinina, L., Maroni, A., Martin, J., Morsch, H., Mylnikov, V., Orischin, E., Osterlund, M., Poux, V., Prokofiev, A., Radvanyi, P., Ramstein, B., Razmyslovich, B., Roy-Stephan, M., Samsonov, V., Skowron, R., Smirnov, I., Strokovsky, E., Tkach, I., Vikhrov, V., Volkov, S., Vorobyov, A., Zhdanov, A. & Zupranski, P., 11 Oct 2005, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 551, 2-3, p. 290-311

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Random matrix theory and acoustic resonances in plates with an approximate symmetry

    Andersen, A., Ellegaard, Clive Sigurd, Jackson, Andrew D. & Schaadt, K., 1 Jun 2001, In: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics). 63, 6, 066204.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Double-slit experiment with single wave-driven particles and its relation to quantum mechanics

    Andersen, A., Madsen, J., Reichelt, C., Ahl, S. R., Lautrup, B. E., Ellegaard, Clive Sigurd, Levinsen, Mogens & Bohr, T., 6 Jul 2015, In: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics). 92, 1, 013006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Comment on Y. Couder and E. Fort: Single-Particle Diffraction and Interference at a Macroscopic Scale; Phys. Rev. Lett. 97, 154101 (2006)

    Andersen, A., Madsen, J., Reichelt, C., Ahl, S. R., Lautrup, B. E., Ellegaard, Clive Sigurd, Levinsen, Mogens & Bohr, T., 4 Apr 2014, In: arXiv.org: Physics. 1405.0466v1

    Research output: Contribution to journalJournal articleResearch

  6. Published

    Pattern dynamics of vortex ripples in sand: Nonlinear modeling and experimental validation

    Andersen, K., Abel, M., Krug, J., Ellegaard, Clive Sigurd, Sondergaard, L. & Udesen, J., 10 Jun 2002, In: Physical Review Letters. 88, 23, 234302.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Observation of periodic orbits on curved two-dimensional geometries

    Avlund, M., Ellegaard, Clive Sigurd, Oxborrow, M. & Søndergaard, N., 23 Apr 2010, In: Physical Review Letters. 104, 16, p. 164101 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    SINGLE-NEUTRON STATES AT HIGH SPINS IN YTTERBIUM NUCLEI - EVIDENCE FOR THE QUENCHING OF STATIC NEUTRON PAIR CORRELATIONS

    BACELAR, J., DIEBEL, M., Ellegaard, Clive Sigurd, GARRETT, J., Hagemann, G. B., HERSKIND, B., HOLM, A., YANG, C., ZHANG, J., TJOM, P. & LISLE, J., 1 Apr 1985, In: Nuclear Physics A: Nuclear and Hadronic Physics. 442, 3, p. 509-546

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    1ST OBSERVATION OF THE DELTA-RESONANCE IN RELATIVISTIC HEAVY-ION CHARGE-EXCHANGE REACTIONS

    BACHELIER, D., BOYARD, J., HENNINO, T., JOURDAIN, J., ROYSTEPHAN, M., CONTARDO, D., GROSSIORD, J., GUICHARD, A., PIZZI, J., RADVANYI, P., TINSLEY, J., Ellegaard, Clive Sigurd, GAARDE, C. & LARSEN, J., 8 May 1986, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 172, 1, p. 23-26

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    THE (HE-3,T) REACTION AT INTERMEDIATE ENERGIES - SPIN-ISOSPIN TRANSITIONS TO STATES IN N-12 AND N-13

    BERGQVIST, I., BROCKSTEDT, A., CARLEN, L., EKSTROM, LP., JAKOBSSON, B., ELLEGAARD, C., GAARDE, C., LARSEN, JS., GOODMAN, C., BEDJIDIAN, M., CONTARDO, D., GROSSIORD, JY., GUICHARD, A., HAROUTUNIAN, R., PIZZI, JR., BACHELIER, D., BOYARD, JL., HENNINO, T., JOURDAIN, JC., ROYSTEPHAN, M. & 2 others, BOIVIN, M. & RADVANYI, P., 10 Aug 1987, In: Nuclear Physics A: Nuclear and Hadronic Physics. 469, 4, p. 648-668

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Distribution of eigenfrequencies for vibrating plates

    Bertelsen, P., Ellegaard, Clive Sigurd & Hugues, E., 1 May 2000, In: European Physical Journal B. Condensed Matter and Complex Systems. 15, 1, p. 87-96

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Measurement of parametric correlations in spectra of resonating quartz blocks

    Bertelsen, P., Ellegaard, Clive Sigurd, Guhr, T., Oxborrow, M. & Schaadt, K., 13 Sep 1999, In: Physical Review Letters. 83, 11, p. 2171-2174

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Separation and pattern formation in hydraulic jumps

    Bohr, T., Ellegaard, Clive Sigurd, Hansen, A., Hansen, K., Haaning, A., Putkaradze, V. & Watanabe, S., 1 Feb 1998, In: Physica A: Statistical Mechanics and its Applications. 249, 1-4, p. 111-117

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Hydraulic jumps, flow separation and wave breaking: An experimental study

    Bohr, T., Ellegaard, Clive Sigurd, Hansen, A. & Haaning, A., 1 Oct 1996, In: Physica B: Condensed Matter. 228, 1-2, p. 1-10

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Coherent pion production in heavy ion charge exchange reactions.

    Boyard, J., Augustyniak, W., Dahl, R., Drews, M., Ellegaard, Clive Sigurd, Farhi, L., Gaarde, C., Hennino, T., Jensen, J., Jourdain, J., Kagarlis, M., Kunne, R., Larsen, J., Radvadyi, P., Ramstein, B., Roy-Stephan, M. & Zupranski, P., 13 Jun 2005, In: Nuclear Physics A: Nuclear and Hadronic Physics. 755, p. 507C-510C

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Exploring the collective spin-isospin longitudinal response of nuclei with coherent pion production in (He-3, t pi(+))

    Boyard, J., Farhi, L., Hennino, T., Jourdain, J., Kunne, R., Radvanyi, P., Ramstein, B., Roy-Stephan, M., Dahl, R., Drews, M., Ellegaard, Clive Sigurd, Gaarde, C., Jensen, J., Skousen, M., Kagarlis, M., Augustyniak, W. & Zupranski, P., 1 Oct 2000, In: Acta Physica Polonica B. 31, 10-11, p. 2139-2142

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Pattern formation of underwater sand ripples with a skewed drive

    Bundgaard, F., Ellegaard, Clive Sigurd, Scheibye-Knudsen, K., Bohr, T. & Sams, T., 1 Dec 2004, In: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics). 70, 6, 066207.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    STUDY OF THE DELTA-ISOBAR EXCITATION IN NUCLEI WITH THE (HE-3,T) REACTION

    CONTARDO, D., BEDJIDIAN, M., GROSSIORD, JY., GUICHARD, A., HAROUTUNIAN, R., PIZZI, JR., ELLEGAARD, C., GAARDE, C., LARSEN, JS., GOODMAN, C., BERGQVIST, I., BROCKSTEDT, A., CARLEN, L., EKSTROM, P., BACHELIER, D., BOYARD, JL., HENNINO, T., JOURDAIN, JC., ROYSTEPHAN, M., BOIVIN, M. & 1 others, RADVANYI, P., 13 Mar 1986, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 168, 4, p. 331-335

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Scale selection in columnar jointing: insights from experiments on cooling stearic acid and numerical simulations

    Christensen, A., Raufaste, C., Misztal, M. K., Celestini, F., Guidi, M., Ellegaard, Clive Sigurd & Mathiesen, Joachim, 2016, In: Journal of Geophysical Research: Solid Earth. 121, 3, p. 1462-1482 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Evidence of coherent π+ production in (3He,t) reactions.

    Dahl, R., Farhi, L., Augustiniak, W., Boyard, J. L., Drews, M., Ellegaard, Clive Sigurd, Gaarde, C., Hennino, T., Jensen, J., Jourdain, J. C., Kunne, R., Larsen, J., Radvanyi, P., Ramstein, B., Roy-Stephan, M., Skousen, M. & Zupranski, P., 1 Nov 1998, In: Acta Physica Polonica B. 29, 11, p. 3009-3013

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    ISOVECTOR EXCITATIONS IN NUCLEI WITH COMPOSITE PROJECTILES - (HE-3, T), (D, HE-2), AND HEAVY-IONS

    Ellegaard, Clive Sigurd, 1 Jun 1987, In: Canadian Journal of Physics. 65, 6, p. 600-608

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    REACTION (DPOL, HE-2) AT INTERMEDIATE ENERGIES

    Ellegaard, Clive Sigurd, GAARDE, C., JORGENSEN, T., LARSEN, J., GOODMAN, C., BERGQVIST, I., BROCKSTEDT, A., EKSTROM, P., BEDJIDIAN, M., CONTARDO, D., GROSSIORD, J., GUICHARD, A., BACHELIER, D., BOYARD, J., HENNINO, T., JOURDAIN, J., ROYSTEPHAN, M., RADVANYI, P. & TINSLEY, J., 31 Aug 1987, In: Physical Review Letters. 59, 9, p. 974-977

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    SPIN STRUCTURE OF THE DELTA-EXCITATION

    Ellegaard, Clive Sigurd, GAARDE, C., JORGENSEN, T., LARSEN, J., MILLION, B., GOODMAN, C., BROCKSTEDT, A., EKSTROM, P., OSTERLUND, M., BEDJIDIAN, M., CONTARDO, D., BACHELIER, D., BOYARD, J., HENNINO, T., JOURDAIN, J., ROYSTEPHAN, M., RADVANYI, P. & ZUPRANSKI, P., 16 Nov 1989, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 231, 4, p. 365-369

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Experimental results on flow separation and transitions in the circular hydraulic jump

    Ellegaard, Clive Sigurd, Hansen, A., Haaning, A. & Bohr, T., 21 May 1996, In: Physica Scripta. T67

    Research output: Contribution to journalConference articleResearchpeer-review

  25. Published

    Symmetry breaking and spectral statistics of acoustic resonances in quartz blocks

    Ellegaard, Clive Sigurd, Guhr, T., Lindemann, K., Nygard, J. & Oxborrow, M., 9 Dec 1996, In: Physical Review Letters. 77, 24, p. 4918-4921

    Research output: Contribution to journalJournal articleResearchpeer-review

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