Holger Frits Bech Nielsen
Emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
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Family replicated fit of all quark and lepton masses and mixings: Leture Notes in Physics, vol.616
Nielsen, Holger Frits Bech & Takanishi, Y., 2003, 106 p. (Particle Physics in the New Millennium).Research output: Book/Report › Book › Research › peer-review
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Family replicated gauge groups and large mixing angle solar neutrino solution
Nielsen, Holger Frits Bech, Froggatt, C. D. & Takanishi, Y., 2002, In: Nuclear Physics B. 631, 1-2, p. 285-306Research output: Contribution to journal › Journal article › Research › peer-review
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Fermion Masses and the Standard Model Group as a Diagonal Subgroup
Froggatt, C. D., Lowe, G. & Nielsen, Holger Frits Bech, 1994, In: Nucl. Phys.. B420, p. 3-46Research output: Contribution to journal › Journal article › Research
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Fermionization, Number of Families
Borstnik, N. S. M. & Nielsen, Holger Frits Bech, 9 Jul 2018, In: Blejske Delavnice iz Fizike. 18, 2, p. 244-269Research output: Contribution to journal › Conference article › Research › peer-review
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Fermions with no fundamental charges call for extra dimensions
Borstnik, N. & Nielsen, Holger Frits Bech, 2007, In: Physics Letters B. 644, 2-3, p. 198-202Research output: Contribution to journal › Journal article › Research › peer-review
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Fitting the fine structure constant by critical couplings and integers
Bennett, D. L. & Nielsen, Holger Frits Bech, 1991, Proc. of XXV Symp. on the Theory of Elementary Particles, Gosen, 1991. Zeuthen Germany: H. J. Kaiser, p. 366-402Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Five adjustable parameter fit of quark and lepton masses and mixings
Nielsen, Holger Frits Bech & Takanishi, Y., 2002, In: Physics Letters B. 543, 3-4, p. 249-260Research output: Contribution to journal › Journal article › Research › peer-review
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Fixed point scenario in the two Higgs doublet model inspired by degenrate vacua
Froggatt, C., Nevzorov, R. & Nielsen, Holger Frits Bech, 2008, In: Physics Letters B. 657, 1-3, p. 95-102Research output: Contribution to journal › Journal article › Research › peer-review
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Flipped SU(5) seesaw scale physics and degenerate vacua
Das, C. R., Froggatt, C. D., Laperashvili, L. V. & Nielsen, Holger Frits Bech, 2006, In: Modern Physics Letters A. 21, 14, p. 1151-1160Research output: Contribution to journal › Journal article › Research › peer-review
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Formalism of a harmonic oscillator in the future-included complex action theory
Nagao, K. & Nielsen, Holger Frits Bech, Jul 2019, In: Progress of Theoretical and Experimental Physics. 2019, 7, 36 p., 073B01.Research output: Contribution to journal › Journal article › Research › peer-review
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Formulation of Complex Action Theory
Nagao, K. & Nielsen, Holger Frits Bech, 1 Dec 2011, In: Progress of Theoretical Physics. 126, 6, p. 1021-1049Research output: Contribution to journal › Journal article › Research › peer-review
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GRAVITY AND MIRROR GRAVITY IN PLEBANSKI FORMULATION
bennett, D. L., Laperashvili, L. V., Tureanu, A. & Nielsen, Holger Frits Bech, 10 May 2013, In: International Journal of Modern Physics A. 28, 12, 1350035.Research output: Contribution to journal › Journal article › Research › peer-review
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Gauge Symmetric Approach to Effective Lagrangians. The eta' meson from QCD
Damgaard, P. H., Nielsen, Holger Frits Bech & Sollacher, R., 1994, In: Nucl. Phys.. B414, p. 541-578Research output: Contribution to journal › Journal article › Research
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Generalized dual symmetry of non-Abelian theories and the freezing of alpha(s)
Das, C. R., Laperashvili, L. V. & Nielsen, Holger Frits Bech, 2006, In: International Journal of Modern Physics A. 21, 22, p. 4479-4510Research output: Contribution to journal › Journal article › Research › peer-review
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Gravi-weak unification and multiple-point principle
Das, S. R., Laperashvili, L. V., Nielsen, Holger Frits Bech, Tureanu, A. & Froggatt, C. D., 1 May 2015, In: Physics of Atomic Nuclei. 78, 3, p. 440-442Research output: Contribution to journal › Journal article › Research › peer-review
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Gravi-weak unification and the black-hole-hedgehog's solution with magnetic field contribution
Sidharth, B. G., Das, C. R., Laperashvili, L. ,. V. & Nielsen, Holger Frits Bech, 20 Nov 2018, In: International Journal of Modern Physics A. 33, 32, 1850188.Research output: Contribution to journal › Journal article › Research › peer-review
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Gravitational black-holes-hedgehogs and two degenerate vacua of the Universe
Sidharth, B. G., Das, C. R., Laperashvili, L. V. & Nielsen, Holger Frits Bech, 1 Feb 2018, In: International Journal of Modern Physics D. 27, 3, 30 p., 1850022.Research output: Contribution to journal › Journal article › Research › peer-review
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Hierarchy-problem and a bound state of 6 t and 6 anti- t
Froggatt, C. D., Nielsen, Holger Frits Bech & Laperashvili, L. V., 2005, In: International Journal of Modern Physics A. 20, 6, p. 1268-1275Research output: Contribution to journal › Journal article › Research › peer-review
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Homolumo gap from dynamical energy levels
Andric´, I., Jonke, L., Juman, D. & Nielsen, Holger Frits Bech, 2009, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 80, 10, p. 107701 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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How does Clifford algebra show the way to the second quantized fermions with unified spins, charges and families, and with vector and scalar gauge fields beyond the standard model: [Inkl. corrigendum]
Borstnik, N. S. M. & Nielsen, Holger Frits Bech, Nov 2021, In: Progress in Particle and Nuclear Physics. 121, 95 p., 103890.Research output: Contribution to journal › Review › Research › peer-review
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How to generate families of spinors
Manko'c Bors'tnik, N. & Nielsen, Holger Frits Bech, 2003, In: Journal of Mathematical Physics. 44, 10, p. 4817-4827Research output: Contribution to journal › Journal article › Research › peer-review
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Imaginary Part of Action, Future Functioning as Hidden Variables
Nielsen, Holger Frits Bech, 1 Mar 2011, In: Foundations of Physics. 41, 3, p. 608-635Research output: Contribution to journal › Journal article › Research › peer-review
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Implementation of the multiple point in the two-Higgs doublet model of type ll
Froggatt, C., Laperashvili, L., Nevzorov, R., Nielsen, Holger Frits Bech & Sher, M., 2006, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 73, 9, p. 095005Research output: Contribution to journal › Journal article › Research › peer-review
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Initial condition model form imaginary part of action and the information loss
Nielsen, Holger Frits Bech, 2009, Proceedings to " black holes in general relativity and string theory. 16 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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Instructive Review of Novel SFT withNon-interacting consituents “objects”, and attemptGeneralization to p-adic theory
Nielsen, Holger Frits Bech & Ninomiya, M., 18 Aug 2020, In: P o S - Proceedings of Science. 376, 21 p., 133.Research output: Contribution to journal › Conference article › Research › peer-review
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Intrinsic periodicity of time and nonmaximal entropy of universe
Nielsen, Holger Frits Bech & Ninomiya, M., 2006, In: International Journal of Modern Physics A. 21, 25, p. 5151-5162Research output: Contribution to journal › Journal article › Research › peer-review
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Intuitive understanding of anomalies
Nielsen, Holger Frits Bech & Ninomiya, M., 1991, Proc. of Trieste Conf. on Tropological Methods in Quantum Field Theories. Singapore, p. 2913-2935Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Lattice Chern-Simons Gavity via Ponzano-Regge Model
Kawamoto, N., Nielsen, Holger Frits Bech & Sato, N., 1999, In: Nucl. Phys. B. Vol. 555, p. 629-649Research output: Contribution to journal › Journal article › Research › peer-review
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Law behind second law of theromodynamics unification with cosmology
Nielsen, Holger Frits Bech & Ninomiya, M., 2006, In: Journal of High Energy Physics (Online). 3, 057Research output: Contribution to journal › Journal article › Research › peer-review
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Localization og gauge fields and monopole tunnelling
Dvali, G., Nielsen, Holger Frits Bech & Tetradis, N., 2008, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 77, 8, p. 085005Research output: Contribution to journal › Journal article › Research › peer-review
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Lorentz Invariance and Origin of Symmetries
Nielsen, Holger Frits Bech, 2001, In: Physical Review Letters. 87, p. 091601Research output: Contribution to journal › Journal article › Research › peer-review
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Magnetic field contribution to black-hole-hedgehog’s solution in GraviWeak unification
Das, C. R., Laperashvill, L. V., Nielsen, Holger Frits Bech & Sidharth, B. G., 1 Dec 2019, In: Journal of Physics: Conference Series (Online). 1390, 1, 9 p., 012092.Research output: Contribution to journal › Journal article › Research › peer-review
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Magnetic moment of constituent fermions in ground states with spontaneously broken translational invariance
Nielsen, Holger Frits Bech & Soni, V., 2 Oct 2013, In: Physics Letters B. 726, 1-3, p. 41-44Research output: Contribution to journal › Journal article › Research › peer-review
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Minimal Mixing of Quarks and Leptons in the SU(3) Theory of Flavour
Nielsen, Holger Frits Bech, 2002, In: Nucl. Phys.. vol. B 626, p. 307Research output: Contribution to journal › Journal article › Research › peer-review
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Mirror world and superstring-inspired hidden sector of the Universe, dark matter and dark energy
Das, C. R., Laperashvili, L., Nielsen, Holger Frits Bech & Tureanu, A., 6 Sep 2011, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 84, 6, p. 063510Research output: Contribution to journal › Journal article › Research › peer-review
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Momentum and hamiltonian in complex action theory
Nagao, K. & Nielsen, Holger Frits Bech, 2012, In: International Journal of Modern Physics A. 27, 14, p. 1250076 30 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Momentum relation and classical limit in the future-not-included complex action theory
Nagao, K. & Nielsen, Holger Frits Bech, 1 Jul 2013, In: Progress of Theoretical and Experimental Physics. 2013, 7, 073A03.Research output: Contribution to journal › Journal article › Research › peer-review
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Monopoles and family replicated unification
Nielsen, Holger Frits Bech, 2003, In: Physics of Atomic Nuclei. 66, p. 2119-2127Research output: Contribution to journal › Journal article › Research › peer-review
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Monopoles near the plack scale and unification
Nielsen, Holger Frits Bech, 2003, In: International Journal of Modern Physics A. 18, p. 4403-4442Research output: Contribution to journal › Journal article › Research › peer-review
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Neutrino Mass Matrix Suppression by Abelian Charges with See-saw Mechanism
Nielsen, Holger Frits Bech & Takanishi, Y., 2000, In: Nucl. Phys.. B588, p. 281Research output: Contribution to journal › Journal article › Research › peer-review
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Neutrino Mass Matrix in Anti-Gut with Seesaw Mechanism
Nielsen, Holger Frits Bech & Takanishi, Y., 2001, In: Nucl. Phys.. B604, p. 405-425Research output: Contribution to journal › Journal article › Research › peer-review
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Neutrino Masses and Mixings from an Anormaly Free SMG X U(!)**2 Model
Froggatt, C. D., Gibson, M. & Nielsen, Holger Frits Bech, 1999, In: Physics Letters B. Vol. 446, p. 256-266Research output: Contribution to journal › Journal article › Research › peer-review
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New Bound States of Heavy Quarks at LHC and Tevatron
Das, C. R., Froggatt, C. D., Laperashvili, L. V. & Nielsen, Holger Frits Bech, 20 Jun 2011, In: International Journal of Modern Physics A. 26, 15, p. 2503-2521Research output: Contribution to journal › Journal article › Research › peer-review
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New LHC resonance with mass 750 GeV and the vacuum stability in the Standard Model
Das, C. R., Laperashvili, L. V. & Nielsen, Holger Frits Bech, 2 Sep 2017, In: Physics of Particles and Nuclei. 48, 5, p. 813-814Research output: Contribution to journal › Journal article › Research › peer-review
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New bound state of top and beauty quarks at the tevatron and LHC
Das, C. R., Froggatt, C. D., Laperashvili, L. V. & Nielsen, Holger Frits Bech, 2009, 14th Lomonosov Conference on Elementary Particle Physics, Moscow, Russia, 19-25 August. Moscow State University 119992 Moscow, Russia, 17 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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New results at LHC confirming the vacuum stability and Multiple Point Principle
Laperashvili, L. V., Nielsen, Holger Frits Bech & Das, C. R., 20 Mar 2016, In: International Journal of Modern Physics A. 31, 8, 1650029.Research output: Contribution to journal › Journal article › Research › peer-review
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Non-Thermal Leptogenesis from the Heavier Majorana Neutrinos
Nielsen, Holger Frits Bech, 2002, In: Nucl. Phys.. vol. B 647, p. 252Research output: Contribution to journal › Journal article › Research › peer-review
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Nonexistence of irreversible processes in compact space-time
Nielsen, Holger Frits Bech & Ninomiya, M., 2008, In: International Journal of Modern Physics A. 22, 32, p. 6227-6241Research output: Contribution to journal › Journal article › Research › peer-review
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Novel string field theory with also negative energy constituents/objects gives Veneziano amplitude
Nielsen, Holger Frits Bech & Ninomiya, M., 15 Feb 2018, In: Journal of High Energy Physics. 2018, 2, 52 p., 097.Research output: Contribution to journal › Journal article › Research › peer-review
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On Sphaleron Deformations Induced by Yukawa Interactions
Axenidis, M., Johansen, A. & Nielsen, Holger Frits Bech, 1994, In: Mod. Phys. Lett.. A9, p. 1529-1543Research output: Contribution to journal › Journal article › Research
ID: 12496
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Theory including future not excluded: Formulation of complex action theory II (vol 2013, 023B04, 2013)
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Complex action suggests future-included theory
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Black-holes-hedgehogs in the false vacuum and a new physics beyond the Standard Model
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