Holger Frits Bech Nielsen
Emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
- Published
'Effective two dimensionality' cases bring a new hope to the Kaluza-Klein(like) theories
Lukman, D., Borstink, N. S. & Nielsen, Holger Frits Bech, 21 Oct 2011, In: New Journal of Physics. 13, p. 103027Research output: Contribution to journal › Journal article › Research › peer-review
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A Neutrino Mass Matrix Model With Many Quantum Charges and no Susy
Nielsen, Holger Frits Bech & Takanishi, Y., 2001, In: Phys. Scripta. T93, p. 44-52Research output: Contribution to journal › Journal article › Research › peer-review
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A natural solution to the neutrino mixing problem
Froggatt, C. D., Gibson, M. I. & Nielsen, Holger Frits Bech, 1998, In: Physics Letters B. 409, 1-4, p. 305-312Research output: Contribution to journal › Journal article › Research › peer-review
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A novel string field theory solving string theory by liberating left and right movers
Nielsen, Holger Frits Bech & Ninomiya, M., 8 May 2014, In: Journal of High Energy Physics (Online). 2014, 5, 036.Research output: Contribution to journal › Journal article › Research › peer-review
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An O(3) Global Anomaly in 0+1 Dimension
Axenidis, M., Johansen, A. & Nielsen, Holger Frits Bech, 1994, In: Mod. Phys. Lett.. A9, p. 623-630Research output: Contribution to journal › Journal article › Research
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An example of Kaluza-Klein- like theory with boundary conditions, which lead to massless and mass protected spinors chirally coupled to gauge fields
Borstnik, N. & Nielsen, Holger Frits Bech, 2006, In: Physics Letters B. 633, 6, p. 771-775Research output: Contribution to journal › Journal article › Research › peer-review
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Anomalies from Non-Perturbative Standard Model Effects
Nielsen, Holger Frits Bech & Froggatt, C. D., 18 Aug 2020, In: P o S - Proceedings of Science. 347, 48 p., 046.Research output: Contribution to journal › Conference article › Research › peer-review
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Anti-Grand Unification and the Fermion Mass Problem
Froggatt, C. D., Lowe, G. & Nielsen, Holger Frits Bech, 1994, In: Nucl. Phys.. B414, p. 579-593Research output: Contribution to journal › Journal article › Research
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Automatic Hermiticity
Nagao, K. & Nielsen, Holger Frits Bech, 1 Mar 2011, In: Progress of Theoretical Physics. 125, 3, p. 633-640Research output: Contribution to journal › Journal article › Research › peer-review
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Automatic hermiticity for mixed states
Nagao, K. & Nielsen, Holger Frits Bech, 9 Mar 2023, In: Progress of Theoretical and Experimental Physics. 2023, 3, 11 p., 031B01.Research output: Contribution to journal › Journal article › Research › peer-review
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Baryogenesis in cosmological model with superstring-inspired E(6) unification
Das, C. R., Laperashvill, L. V., Tureanu, A. & Nielsen, Holger Frits Bech, 27 Jan 2011, In: Physics Letters B. 696, 1-2, p. 138-144Research output: Contribution to journal › Journal article › Research › peer-review
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Baryogenesis via Lepton Number Violation in Anti-Gut Model
Nielsen, Holger Frits Bech & Takanishi, Y., 2001, In: Phys. Lett.. B507, p. 241-251Research output: Contribution to journal › Journal article › Research › peer-review
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Baryogenesis via lepton number violation and family replicated gauge group
Nielsen, Holger Frits Bech & Takanishi, Y., 2002, In: Nuclear Physics B. 636, p. 305Research output: Contribution to journal › Journal article › Research › peer-review
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Bicarbonate attenuates intracellular acidosis
Nielsen, Holger Frits Bech, Hein, L., Svendsen, L. B., Secher, N. H. & Quistorff, B., 2002, In: Acta Anaesthesiologica Scandinavica. vol. 46, p. 579-584Research output: Contribution to journal › Journal article › Research › peer-review
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Black-holes-hedgehogs in the false vacuum and a new physics beyond the Standard Model
Das, C. R., Laperashvill, L. V., Sidharth, B. G. & Nielsen, Holger Frits Bech, 2 Oct 2017, In: Journal of Physics - Conference Series. 934, UNSP 012043.Research output: Contribution to journal › Journal article › Research › peer-review
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Caleosins: Ca+2 binding proteins associated with oil-bodies
Næsted, H., Frandsen, G. I., Jauh, G. Y., Hernandez-Pinzon, I., Nielsen, Holger Frits Bech, Murphy, D. J., Rogers, J. C. & Mundy, J. W., 2000, In: Plant Molecular Biology. 44, 4, p. 463-476Research output: Contribution to journal › Journal article › Research › peer-review
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Card game restriction in LHC can only be successful!
Nielsen, Holger Frits Bech & Ninomiya, M., 2009, OKayama Institute for quantum Physics Activity Report. Rikken -TH- 162: The Chen Ning Yang Institute for Theoretical physics, Vol. 09-42. p. arXive:0910.0359 13 p.Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
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Casimir energy for a piecewise uniform string..
Brevik, J. & Nielsen, Holger Frits Bech, 1990, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 41, p. 1185-92Research output: Contribution to journal › Journal article › Research
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Casimir theory for the piecewise uniform string: Division into 2N pieces
Brevik, I. & Nielsen, Holger Frits Bech, 1995, In: Phys. REv.. D 51, p. 1869-1874Research output: Contribution to journal › Journal article › Research
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Chaos in the fundamental forces?..
Nielsen, Holger Frits Bech & Rugh, S. E., 1993, In: New Astronomy Reviews. 37, p. 81-86Research output: Contribution to journal › Journal article › Research
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Color anomaly in a hybrid bag model
Nielsen, Holger Frits Bech, Rho, M., Wirzba, A. & Zahed, I., 1991, In: Physics Letters B. 269, p. 389-393Research output: Contribution to journal › Journal article › Research
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Color anomaly in a hybrid model..
Nielsen, Holger Frits Bech, Rho, M., Wirzba, A. & Zahed, I., 1992, In: Physical Review Letters. B269, p. 389-393Research output: Contribution to journal › Journal article › Research
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Complex Action Support from Coincidences of Couplings
Nielsen, Holger Frits Bech, 1 Sep 2011, In: International Journal of Modern Physics E. 20, 9, p. 2049-2075Research output: Contribution to journal › Journal article › Research › peer-review
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Complex action suggests future-included theory
Nagao, K. & Nielsen, Holger Frits Bech, 23 Nov 2017, In: Progress of Theoretical and Experimental Physics. 2017, 11, 111B01.Research output: Contribution to journal › Journal article › Research › peer-review
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Constrained gauge fields from spontaneous Lorentz violation
Chkareuli, J. L., Froggatt, C. D., Jejelava, J. G. & Nielsen, Holger Frits Bech, 2008, In: Nuclear Physics B. 796, 1-2, p. 211-223Research output: Contribution to journal › Journal article › Research › peer-review
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Cosmological Constant in SUGRA Models with Degenerate Vacua
Froggatt, C., Nielsen, Holger Frits Bech, Nevzorov, R. & Thomas, A., 22 Oct 2019, In: Universe. 5, 10, 15 p., 214.Research output: Contribution to journal › Journal article › Research › peer-review
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Cosmological constant in SUGRA models and the multiple point principler
Froggatt, C. D., Laperashvili, L. V., Nevzorov, R. & Nielsen, Holger Frits Bech, 2004, In: Physics of Atomic Nuclei. 67, 3, p. 582-589Research output: Contribution to journal › Journal article › Research › peer-review
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Cosmological constant in SUGRA models with Planck scale SUSY breaking and degenerate vacua
Froggatt, C. D., Nevzorov, R., Nielsen, Holger Frits Bech & Thomas, A. W., 7 Oct 2014, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 737, p. 167-171Research output: Contribution to journal › Journal article › Research › peer-review
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Could Experimental Anomalies Reflect Non-perturbative Effects?
Nielsen, Holger Frits Bech & Froggatt, C., 23 Jun 2018, In: Blejske Delavnice iz Fizike. 19, 2, p. 359-379 21 p.Research output: Contribution to journal › Conference article › Research › peer-review
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Current induced potential and charge distribution in a two dimensional electron system in a magnetic field
Nielsen, Holger Frits Bech, 1995, 11th International Conference on High Magnetic Fields in Semiconductors (SEMIMAG 94). World Scientific, p. 180-183Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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DARK ENERGY DENSITY IN MODELS WITH SPLIT SUPERSYMMETRY AND DEGENERATE VACUA
Frogatt, C., Nevzorov, R. & Nielsen, Holger Frits Bech, 30 Apr 2012, In: International Journal of Modern Physics A. 27, 11, p. 1250063Research output: Contribution to journal › Journal article › Research › peer-review
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Dark energy density in SUGRA models and degenerate vacua
Froggatt, C. D., Nielsen, Holger Frits Bech, Nevzorov, R. & Thomas, A. W., 20 Jun 2017, In: International Journal of Modern Physics A. 32, 17, 1730013.Research output: Contribution to journal › Journal article › Research › peer-review
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Dark matter balls help supernovae to explode
Froggatt, C. D. & Nielsen, Holger Frits Bech, 30 Nov 2015, In: Modern Physics Letters A. 30, 36, 1550195.Research output: Contribution to journal › Journal article › Research › peer-review
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Deriving gauge symmetry and spontaneous Lorentz violation
Chkareuli, J. L., Froggatt, C. D. & Nielsen, Holger Frits Bech, 2009, In: Nuclear Physics B. 821, 1-2, p. 65-73 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Dimension four wins the same game as the standard model group
Nielsen, Holger Frits Bech, 5 Nov 2013, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 88, 9, 096001.Research output: Contribution to journal › Journal article › Research › peer-review
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Diphoton decay of the Higgs boson and new bound states of top and antitop quarks
Froggatt, C. D., Das, C. R., Laperashvili, L. V. & Nielsen, Holger Frits Bech, 30 Jul 2015, In: International Journal of Modern Physics A. 30, 21, 1550132.Research output: Contribution to journal › Journal article › Research › peer-review
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Dirac sea and hole theory for bosons I: a new formulation of quantum field theories
Habara, Y., Nagatani, Y., Nielsen, Holger Frits Bech & Ninomiya, M., 2008, In: International Journal of Modern Physics A. 23, 18, p. 2733-2769Research output: Contribution to journal › Journal article › Research › peer-review
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Dirac sea and hole theory for bosons II: renormalization approach
Habara, Y., Nagatani, Y., Nielsen, Holger Frits Bech & Ninomiya, M., 2008, In: International Journal of Modern Physics A. 23, 18, p. 2771-2781Research output: Contribution to journal › Journal article › Research › peer-review
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Dirac sea for Bosons. I - Formulation of negative energy sea for Bosons
Nielsen, Holger Frits Bech & Ninomiya, M., 2005, In: Progress of Theoretical Physics. 113, 3, p. 603-624Research output: Contribution to journal › Journal article › Research › peer-review
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Dirac sea for Bosons. II - Study of the naive vacuum theory for the toy model world prior to filling the negative energy sea
Nielsen, Holger Frits Bech & Ninomiya, M., 2005, In: Progress of Theoretical Physics. 113, 3, p. 625-643Research output: Contribution to journal › Journal article › Research › peer-review
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Dirac sea for bosons also and SUSY for single particles
Habara, Y., Nielsen, Holger Frits Bech & Ninomiya, M., 2006, In: Progress of Theoretical Physics. Supplement. p. 68-81Research output: Contribution to journal › Conference article › Research › peer-review
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Dirac-Kaehler Approach Connected to Quantum Mechanics in Grassmann Space
Nielsen, Holger Frits Bech & Mankoc Borstnik, N., 2000, In: Phys. REv.. D62, p. 044010Research output: Contribution to journal › Journal article › Research › peer-review
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Discrete symmetries in the Kaluza-Klein theories
Borstnik, N. S. M. & Nielsen, Holger Frits Bech, 28 Apr 2014, In: Journal of High Energy Physics (Online). 2014, 4, 165.Research output: Contribution to journal › Journal article › Research › peer-review
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Do We Find High Energy Physics Inside (Almost) Every Solid or Fluid at Low Temperature?
Nielsen, Holger Frits Bech & Ninomiya, M., 23 Jun 2018, In: Blejske Delavnice iz Fizike. 19, 2, p. 216-246Research output: Contribution to journal › Conference article › Research › peer-review
- Published
Dynamical and quenched random matrices and homolumo gap
Andrie, I., Jonke, L., Jurman, D. & Nielsen, Holger Frits Bech, 10 Apr 2017, In: International Journal of Modern Physics A. 32, 10, 1750046.Research output: Contribution to journal › Journal article › Research › peer-review
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Electron-electron interactions in the two dimensional electron gas in silicon
Nielsen, Holger Frits Bech, Kravchenko, S. V., Caulfield, J. M., Singleton, S. & Pudalov, V. M., 1993, In: Physical Review B. Condensed Matter and Materials Physics. 47, p. 12961-12963Research output: Contribution to journal › Journal article › Research
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Erratum: Momentum and Hamiltonian in complex action theory (vol 27, 1250076, 2012)
Nagao, K. & Nielsen, Holger Frits Bech, 20 Nov 2017, In: International Journal of Modern Physics A. 32, 32, 1792003.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Explaining Defects of the Universal Vacua with Black Holes-Hedgehogs and Strings
Das, C. R., Laperashvili, L. ,. V., Nielsen, Holger Frits Bech & Sidharth, B. G., 12 Mar 2019, In: Universe. 5, 3, 25 p., 78.Research output: Contribution to journal › Review › Research › peer-review
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Explaining Phenomenologically Observed Space-time Flatness Requires New Fundamental Scale Physics
Bennett, D. & Nielsen, Holger Frits Bech, 11 Jun 2013, Bled Proceedings "What Comes Beyond the Standard Models'. 16 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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F(750), we miss you as bound state of 6 top and 6 antitop
Nielsen, Holger Frits Bech, 30 Dec 2016, In: International Journal of Modern Physics A. 31, 36, 1650186.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 12496
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Theory including future not excluded: Formulation of complex action theory II (vol 2013, 023B04, 2013)
Research output: Contribution to journal › Journal article › Research › peer-review
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105
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Complex action suggests future-included theory
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
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Black-holes-hedgehogs in the false vacuum and a new physics beyond the Standard Model
Research output: Contribution to journal › Journal article › Research › peer-review
Published