Strong coupling expansion of Calabi-Yau compactification
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In this paper, the equations for unbroken supersymmetry are expanded to the first non-trivial order, near this limit, verifying the consistency of the description and showing how, in some cases, if one tries to make Newton's constant too small, strong coupling develops in one of the two E8's.About:
This article is published in Nuclear Physics.The article was published on 1996-07-08 and is currently open access. It has received 928 citations till now. The article focuses on the topics: Compactification (physics) & Heterotic string theory.read more
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New dimensions at a millimeter to a Fermi and superstrings at a TeV
TL;DR: In this article, a new framework for solving the hierarchy problem has been proposed which does not rely on low energy supersymmetry or technicolor, and this framework can be embedded in string theory.
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Particle physics models of inflation and the cosmological density perturbation
David H. Lyth,Antonio Riotto +1 more
TL;DR: A review of particle-theory models of inflation, and their predictions for the primordial density perturbation that is thought to be the origin of structure in the Universe is given in this paper.
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Out of this world supersymmetry breaking
TL;DR: In this article, it was shown that supersymmetry breaking necessarily generates at one loop a scalar and gaugino mass as a consequence of the super-Weyl anomaly.
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Tests of quantum gravity from observations of γ-ray bursts
Giovanni Amelino-Camelia,Giovanni Amelino-Camelia,John Ellis,Nikolaos Mavromatos,Dimitri V. Nanopoulos,Dimitri V. Nanopoulos,Dimitri V. Nanopoulos,Subir Sarkar +7 more
TL;DR: In this paper, it was shown that γ-ray bursts are sensitive to an energy dispersion predicted by some approaches to quantum gravity, which is sufficient to test theories of quantum gravity.
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Axions In String Theory
Peter Svrcek,Edward Witten +1 more
TL;DR: In this article, the axion quintessence can be explained by the potential energy of axions that have not yet relaxed to their minima in string compactifications, and axion potential can naturally fall close to the observed value of cosmological constant.
References
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String theory dynamics in various dimensions
TL;DR: The strong coupling dynamics of string theories in dimension d ⩾ 4 are studied in this paper, where it is argued that eleven-dimensional supergravity arises as a low energy limit of the ten-dimensional Type IIA superstring.
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Heterotic and type I string dynamics from eleven-dimensions
Petr Horava,Edward Witten +1 more
TL;DR: In this paper, it was shown that the ten-dimensional E 8 × E 8 heterotic string is related to an eleven-dimensional theory on the orbifold R 10 × S 1 / Z 2.
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Evidence for F-theory
TL;DR: In this paper, the authors constructed compact examples of D-manifolds for type IIB strings and showed that the construction has a natural interpretation in terms of compactification of a 12-dimensional ''F-theory''.
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Fivebranes, membranes and non-perturbative string theory
TL;DR: In this article, nonperturbative instanton corrections to the moduli space geometry of type IIA string theory compactified on a Calabi-Yau space are derived and found to contain order e − 1/g s contributions, where g s is the string coupling.
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Evidence for heterotic - type I string duality
Joseph Polchinski,Edward Witten +1 more
TL;DR: In this paper, the implications of T -duality and extended gauge symmetry for the conjectured equivalence of heterotic and Type I superstrings were studied. But the results of the study were limited to the Dirichlet one-brane of Type I string theory.