Results 31 to 40 of about 6,873,885 (298)

An inflationary model in string theory [PDF]

open access: yesPhysical Review D, 2004
We construct a model of inflation in string theory after carefully taking into account moduli stabilization. The setting is a warped compactification of Type IIB string theory in the presence of D3 and anti-D3-branes. The inflaton is the position of a D3-brane in the internal space.
Iizuka, Norihiro, Trivedi, Sandip P.
openaire   +2 more sources

Bit-string models for parasex [PDF]

open access: yesPhysica A: Statistical Mechanics and its Applications, 2003
We present different bit-string models of haploid asexual populations in which individuals may exchange part of their genome with other individuals (parasex) according to a given probability. We study the advantages of this parasex concerning population sizes, genetic fitness and diversity.
Moss de Oliveira, S.   +2 more
openaire   +2 more sources

Coset space actions for nonrelativistic strings

open access: yesJournal of High Energy Physics, 2022
We formulate the stringy nonrelativistic limits of the flat space and AdS5 ×S5 string as coset models, based on the string Bargmann and extended string Newton-Hooke algebras respectively.
Andrea Fontanella, Stijn J. van Tongeren
doaj   +1 more source

String/Gauge Duality and Penrose Limit [PDF]

open access: yes, 2003
Berenstein, Maldacena, and Nastase have recently discovered a particular limit of AdS/CFT correspondence where string theory in a plane wave background is dual to a sector of $mathcal N =4 SYM in a double scaling limit.
Park, Jongwon
core   +1 more source

Standard model-like D-brane models and gauge couplings

open access: yesNuclear Physics B, 2015
We systematically search intersecting D-brane models, which just realize the Standard Model chiral matter contents and gauge symmetry. We construct new classes of non-supersymmetric Standard Model-like models.
Yuta Hamada   +2 more
doaj   +1 more source

Non-Lorentzian IIB supergravity from a polynomial realization of SL(2, ℝ)

open access: yesJournal of High Energy Physics, 2023
We derive the action and symmetries of the bosonic sector of non-Lorentzian IIB supergravity by taking the non-relativistic string limit. We find that the bosonic field content is extended by a Lagrange multiplier that implements a restriction on the ...
Eric A. Bergshoeff   +4 more
doaj   +1 more source

Gravitational model of the string

open access: yesAnnalen der Physik, 2006
Abstract It is shown that an infinite gravitational flux tube solution in 5D Kaluza‐Klein gravity with the cross section in the Planck region after 5 D ⇒ 4D reduction and isometrical embedding in a Minkowski spacetime can be considered as a moving infinite string‐like object.
openaire   +2 more sources

Strings, matrix models, and meanders [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 1996
I briefly review the present status of bosonic strings and discretized random surfaces in D>1 which seem to be in a polymer rather than stringy phase. As an explicit example of what happens, I consider the Kazakov-Migdal model with a logarithmic potential which is exactly solvable for any D (at large D for an arbitrary potential). I discuss also the
openaire   +2 more sources

Western String Chamber Orchestra, November 14, 1996

open access: yes, 2016
Recorded during a live performance at Dalton Center Recital Hall, Western Michigan University, Kalamazoo, Michigan, November 14, 1996, 8:00 p.m., the 137th concert of the School of Music's 1996-1997 season.Western String Chamber Orchestra, Bruce J ...
Western String Chamber Orchestra
core   +2 more sources

Very effective string model? [PDF]

open access: yesPhysical Review D, 1998
Additional evidence is presented for a recently proposed effective string model, conjectured to hold throughout the parameter space of the basic 5 dimensional, triply charged black holes, which includes the effects of brane excitations, as well as momentum modes.
Kastor, David, Traschen, Jennie
openaire   +2 more sources

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