Results 111 to 120 of about 15,915 (158)

The Cosmological Constant. [PDF]

open access: yesLiving Rev Relativ, 2001
Carroll SM.
europepmc   +1 more source

Primordial black holes and their gravitational-wave signatures. [PDF]

open access: yesLiving Rev Relativ
Bagui E   +20 more
europepmc   +1 more source

Moduli stabilisation, vacua and cosmological inflation in type IIA superstrings compactified on rigid Calabi--Yau threefolds

open access: yesModuli stabilisation, vacua and cosmological inflation in type IIA superstrings compactified on rigid Calabi--Yau threefolds
首都大学東京, 2018-03-25, 博士(理学)
openaire  

One Loop Analyses of Superstring Vacua on Asymmetric Orbifolds

open access: yesOne Loop Analyses of Superstring Vacua on Asymmetric Orbifolds
openaire  

Symmetries of cosmological superstring vacua [PDF]

open access: closedPhysics Letters B, 1991
Abstract The concept of discrete scale-factor-duality transformations is extended to a full, continuous O(d, d) group. The action of the group transforms “cosmological” solutions of the low-energy, string-modified Einstein equations (including non-trivial dilaton and antisymmetric tensor fields) into other solutions, thus representing the natural ...
Krzysztof A. Meissner, G. Veneziano
semanticscholar   +3 more sources

Holomorphic structure of superstring vacua

open access: closedClassical and Quantum Gravity, 1987
String theory as it is usually presented mathematically is a theory of parametrized strings. A physical theory however should only involve non- parametrized strings. In other words the theory should be invariant under the diffeomorphism group of the circle.
Krzysztof Pilch, Nicholas P. Warner
semanticscholar   +4 more sources

Symmetries on the moduli space of (2,2) superstring vacua

open access: closedNuclear Physics B, 1991
Abstract Symmetries of the space of (2,2) string vacua for c = 3, 6, 9 are discussed in the context of orbifoldized Landau-Ginzburg theories. A general method for finding the maximal symmetry groups on the moduli space of untwisted marginal operators is presented, by studying deformations of superpotentials.
Amit Giveon, Dirk-Jan Smith
semanticscholar   +3 more sources

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