Holger Frits Bech Nielsen
Emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
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Spaatind 2010, Nordic conference in partcle physics
Aasvold...[et al.], A., Andersen, Martin Skou, Badensø, M., Damgaard, Poul Henrik, Dam, Mogens, Gregersen, K. A., Hansen, Jørgen Beck, Hansen, Peter Henrik, Jørgensen, M. D., Hansen, Steen Harle, Heisterkamp, S. J. F. & Nielsen, Holger Frits Bech, 2 Jan 2010, Bi-annual Nordic Conference in Particle Physics . 21st. ed. 2-8 January 2010 Spaatind, NorwayResearch output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
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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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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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The SU(2) Global Anomaly Through Level Circling
Axenidis, M., Johansen, A. & Nielsen, Holger Frits Bech, 1994, In: Mod. Phys. Lett.. A9, p. 501-514Research output: Contribution to journal › Journal article › Research
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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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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
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Proceedings to the 12th Workshop 'What comes beyond the standard models'
Balazs, C. & Nielsen, Holger Frits Bech, 2009, In: Blejske Delavnice iz Fizike.Research output: Contribution to journal › Conference article › Research
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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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Standard Model Parameters from the Multiple Point Principle and Anti-GUT
Bennett, D. L., Froggatt, C. D. & Nielsen, Holger Frits Bech, 1997, Proc. APCTP-ICTP Joint International Conference on Recent Developments in Nonperturbative Quantum Field Theory, Seoul, Korea; 26.-30.May, 1997.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Standard model gauge couplings from mean field criticality at Planck scale and a maximum entropy principle
Bennett, D. L. & Nielsen, Holger Frits Bech, 1992, Proc. of Vancouver Meeting on Particle and Fields 1991. Singapore, p. 857Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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The Initial Value Problem for Maximally Non-Local Actions
Bennett, D. L., Nielsen, Holger Frits Bech & Woodard, R. P., 1998, In: Phys. REv.. D57, p. 1167-1170Research output: Contribution to journal › Journal article › Research
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Predictions for Non-Abelian Fine Structure Constants from Multiple Point Criticality
Bennett, D. L. & Nielsen, Holger Frits Bech, 1995, In: Int. J. Mod. Phys.. A9, p. 5155-5200Research output: Contribution to journal › Journal article › Research
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Prediction of Gauge Couplings from Anti-GUT and Multi-degenerate Vacuum: Finetuning model suggests Non-Locality
Bennett, D. L. & Nielsen, Holger Frits Bech, 1997, Proceedings of Beyond the Standard Model V (30 April - 4 May 1997, Balholm, Norway). AIP Conference Proceedings 415, New York: -, p. 518-523Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Standard Model Couplings with α-1=137 ± 9 from Multiple Point Criticality and 3 Generations of Gauge Bosons; No GUT, No SUSY;
Bennett, D. L., Froggatt, C. D. & Nielsen, Holger Frits Bech, 1997, Proceedings of the 28th International Conference on High Energy Physics (Warsaw, 1996). p. 1646-1649Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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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Particular boundary condition ensures that a fermion in d=1+5, compactified on a finite disk, manifests d=1+3 as a massless spinor with a charge 1/2, mass protected and chirally coupled to the gauge field
Borstnik, N. M. & Nielsen, Holger Frits Bech, 2008, In: Physics Letters B. 663, 3, p. 265-269Research 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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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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The Spin-Charge-Family Theory Offers Understanding of the Triangle Anomalies Cancellation in the Standard Model
Borstnik, N. S. M. & Nielsen, Holger Frits Bech, 2 Dec 2017, In: Fortschritte der Physik. 65, 12, 1700046.Research output: Contribution to journal › Journal article › Research › peer-review
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Why Nature Made a Choice of Clifford and not Grassmann Coordinate?
Borstnik, N. S. M. & Nielsen, Holger Frits Bech, 23 Jun 2018, In: Blejske Delavnice iz Fizike. 19, 2, p. 175-215Research output: Contribution to journal › Conference article › Research › peer-review
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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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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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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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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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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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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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Spontaneously generated tensor field gravity
Chkareuli, J. L., Frogatt, C. D. & Nielsen, Holger Frits Bech, 11 Jul 2011, In: Nuclear Physics B. 848, 3, p. 498-522Research output: Contribution to journal › Journal article › Research › peer-review
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Smooth Bozonization: The Cheshire Cat revisited ..
Damgaard, P. H., Nielsen, Holger Frits Bech & Sollacher, R., 1992, In: Nuclear Physics B. 385, p. 227-250Research output: Contribution to journal › Journal article › Research
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Smooth Bosonization. The massive case..
Damgaard, P. H., Nielsen, Holger Frits Bech & Sollacher, R., 1992, In: Physics Letters B. 296, p. 132-138Research output: Contribution to journal › Journal article › Research
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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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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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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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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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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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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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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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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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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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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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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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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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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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Two cosmic coincidences for minimal Standard Model with general relativity
Frampton, P. H. & Nielsen, Holger Frits Bech, 10 Oct 2019, In: International Journal of Modern Physics A. 34, 28, 1950163.Research output: Contribution to journal › Journal article › Research › peer-review
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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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Trying to understand the standard model parameters
Frogatt, C. & Nielsen, Holger Frits Bech, 2003, In: Surveys in High Energy Physics. 18, 1, p. 55-75Research output: Contribution to journal › Journal article › Research › peer-review
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On the smallness of the cosmological constant in SUGRA models
Froggatt, C., Nevzorov, R. & Nielsen, Holger Frits Bech, 2006, In: Nuclear Physics B. 743, 1-2, p. 133-152Research output: Contribution to journal › Journal article › Research › peer-review
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Remarkable coincidence for the top Yukawa coupling and an approximately massless bound state
Froggatt, C. D. & Nielsen, Holger Frits Bech, 2009, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 80, 3, p. 034033Research output: Contribution to journal › Journal article › Research › peer-review
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On the origin of approximate custodial symmetry in the Two-Higgs Doublet Model
Froggatt, C. D., Nevzorov, R., Nielsen, Holger Frits Bech & Thompson, D., 10 Dec 2009, In: International Journal of Modern Physics A. 24, 30, p. 5587-5637 50 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Predicting the SUSY breaking scale in SUGRA models with degenerate vacua
Froggatt, C. D., Nevzorov, R., Nielsen, Holger Frits Bech & Thomas, A. W., 4 Feb 2020, In: International Journal of Modern Physics A. 35, 1, 14 p., 2050007.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)
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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
Research output: Contribution to journal › Journal article › Research › peer-review
Published