Journal ArticleDOI
Hierarchy of interactions in unified gauge theories
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TLDR
In this paper, a general formalism for calculating renormalization effects which make strong interactions strong in simple gauge theories of strong, electromagnetic, and weak interactions is presented, where the superheavy gauge bosons arising in the spontaneous breakdown to observed interactions have mass perhaps as large as ${10}^{17}$ GeV, almost the Planck mass.Abstract:
We present a general formalism for calculating the renormalization effects which make strong interactions strong in simple gauge theories of strong, electromagnetic, and weak interactions. In an SU(5) model the superheavy gauge bosons arising in the spontaneous breakdown to observed interactions have mass perhaps as large as ${10}^{17}$ GeV, almost the Planck mass. Mixing-angle predictions are substantially modified.read more
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The Cosmological Constant and Dark Energy
P. J. E. Peebles,Bharat Ratra +1 more
TL;DR: A review of dark energy can be found in this paper, where the authors present the basic physics and astronomy of the subject, reviews the history of ideas, assesses the state of the observational evidence, and comments on recent developments in the search for a fundamental theory.
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Supersymmetry, Supergravity and Particle Physics
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The Search for Supersymmetry: Probing Physics Beyond the Standard Model
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Cosmology of the invisible axion
TL;DR: In this article, the authors identify a new cosmological problem for models which solve the strong CP puzzle with an invisible axion, unrelated to the domain wall problem, and identify the energy density stored in the oscillations of the classical axion field does not dissipate rapidly; it exceeds the critical density needed to close the universe unless fa ⩽ 1012GeV wherefa is the axion decay constant.
Journal ArticleDOI
Group theory for unified model building
TL;DR: In this article, the results gathered here on simple Lie algebras have been selected with attention to the needs of unified model builders who study Yang-Mills theories based on simple, local symmetry groups that contain as a subgroup the SUw2 × Uw1 × SUc3 symmetry of the standard theory of electromagnetic, weak, and strong interactions.