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Relevant bibliographies by topics / IIB compactification

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Journal articles

Academic literature on the topic 'IIB compactification'

Author: Grafiati

Published: 1 April 2023

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Journal articles on the topic "IIB compactification"

1

LAVRINENKO, I. V., H. LÜ, C. N. POPE, and T. A. TRAN. "U DUALITY AS GENERAL COORDINATE TRANSFORMATIONS, AND SPACE–TIME GEOMETRY." International Journal of Modern Physics A 14, no. 31 (1999): 4915–42. http://dx.doi.org/10.1142/s0217751x99002323.

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We show that the full global symmetry groups of all the D-dimensional maximal supergravities can be described in terms of the closure of the internal general coordinate transformations of the toroidal compactifications of D=11 supergravity and of type IIB supergravity, with type IIA/IIB T duality providing an intertwining between the two pictures. At the quantum level, the part of the U duality group that corresponds to the surviving discretized internal general coordinate transformations in a given picture leaves the internal torus invariant, while the part that is not described by internal general coordinate transformations can have the effect of altering the size or shape of the internal torus. For example, M theory compactified on a large torus Tn can be related by duality to a compactification on a small torus, if and only if n≥3. We also discuss related issues in the toroidal compactification of the self-dual string to D=4. An appendix includes the complete results for the toroidal reduction of the bosonic sector of type IIB supergravity to arbitrary dimensions D≥3.

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2

DAI, JIN, R. G. LEIGH, and JOSEPH POLCHINSKI. "NEW CONNECTIONS BETWEEN STRING THEORIES." Modern Physics Letters A 04, no. 21 (1989): 2073–83. http://dx.doi.org/10.1142/s0217732389002331.

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We consider the R→0 limit of toroidal compactification in various string theories. This leads to new connections between seemingly different string theories: IIA and IIB, open and closed, oriented and unoriented. We also find two new extended objects which can couple consistently to strings: the Dirichlet-brane and the orientifold plane.

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3

Belhaj, A., M. Bensed, Z. Benslimane, M. B. Sedra, and A. Segui. "Qubit and fermionic Fock spaces from type II superstring black holes." International Journal of Geometric Methods in Modern Physics 14, no. 06 (2017): 1750087. http://dx.doi.org/10.1142/s0219887817500876.

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Using Hodge diagram combinatorial data, we study qubit and fermionic Fock spaces from the point of view of type II superstring black holes based on complex compactifications. Concretely, we establish a one-to-one correspondence between qubits, fermionic spaces and extremal black holes in maximally supersymmetric supergravity obtained from type II superstring on complex toroidal and Calabi–Yau compactifications. We interpret the differential forms of the [Formula: see text]-dimensional complex toroidal compactification as states of [Formula: see text]-qubits encoding information on extremal black hole charges. We show that there are [Formula: see text] copies of [Formula: see text] qubit systems which can be split as [Formula: see text]. More precisely, [Formula: see text] copies are associated with even [Formula: see text]-brane charges in type IIA superstring and the other [Formula: see text] ones correspond to odd [Formula: see text]-brane charges in IIB superstring. This correspondence is generalized to a class of Calabi–Yau manifolds. In connection with black hole charges in type IIA superstring, an [Formula: see text]-qubit system has been obtained from a canonical line bundle of [Formula: see text] factors of one-dimensional projective space [Formula: see text]

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4

Antoniadis, Ignatios, Yifan Chen, and George K. Leontaris. "Inflation from the internal volume in type IIB/F-theory compactification." International Journal of Modern Physics A 34, no. 08 (2019): 1950042. http://dx.doi.org/10.1142/s0217751x19500428.

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We study the cosmological inflation within a recently proposed framework of perturbative moduli stabilization in type IIB/F-theory compactifications on Calabi–Yau threefolds. The stabilization mechanism utilizes three stacks of magnetized 7-branes and relies on perturbative corrections to the Kähler potential that grow logarithmically in the transverse sizes of co-dimension two due to local tadpoles of closed string states in the bulk. The inflaton is the Kähler modulus associated with the internal compactification volume that starts rolling down the scalar potential from an initial condition around its maximum. Although the parameter space allows moduli stabilization in de Sitter space, the resulting number of e-foldings is too low. An extra uplifting source of the vacuum energy is then required to achieve phenomenologically viable inflation and a positive (although tiny) vacuum energy at the minimum. We discuss a class of uplifting potentials arising from strongly coupled matter fields. In a particular case, they reproduce the effect of the new Fayet–Iliopoulos term recently discussed in a supergravity context, that can be written for a non-R-symmetry U(1) and is gauge invariant at the Lagrangian level.

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5

Pilch, Krzysztof, and Nicholas P. Warner. "A new supersymmetric compactification of chiral IIB supergravity." Physics Letters B 487, no. 1-2 (2000): 22–29. http://dx.doi.org/10.1016/s0370-2693(00)00796-6.

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6

Maharana, Jnanadeva. "S-duality and compactification of type IIB superstring action." Physics Letters B 402, no. 1-2 (1997): 64–70. http://dx.doi.org/10.1016/s0370-2693(97)00444-9.

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7

MOHRI, KENJI. "F THEORY VACUA IN FOUR DIMENSIONS AND TORIC THREEFOLDS." International Journal of Modern Physics A 14, no. 06 (1999): 845–74. http://dx.doi.org/10.1142/s0217751x99000415.

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We investigate D=4, N=1 F theory models realized by type IIB string compactification on toric threefolds. Massless spectra, gauge symmetries, phase transitions associated with divisor contractions and flops, and nonperturbative superpotentials are analyzed using elementary toric methods.

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8

KONISHI, EIJI, and JNANADEVA MAHARANA. "COMPACTIFICATION OF TYPE IIB THEORY WITH FLUXES AND AXION–DILATON STRING COSMOLOGY." International Journal of Modern Physics A 25, no. 18n19 (2010): 3797–816. http://dx.doi.org/10.1142/s0217751x10050111.

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Compactification of type IIB theory on torus, in the presence of fluxes, is considered. The reduced effective action is expressed in manifestly S-duality invariant form. Cosmological solutions of the model are discussed in several cases in the Pre-Big Bang scenario.

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9

Böhm, Robert, Holger Günther, Carl Herrmann, and Jan Louis. "Compactification of type IIB string theory on Calabi–Yau threefolds." Nuclear Physics B 569, no. 1-3 (2000): 229–46. http://dx.doi.org/10.1016/s0550-3213(99)00796-8.

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10

Khalil, Shaaban, Ahmad Moursy, and Ali Nassar. "Aspects of Moduli Stabilization in Type IIB String Theory." Advances in High Energy Physics 2016 (2016): 1–17. http://dx.doi.org/10.1155/2016/4303752.

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We review moduli stabilization in type IIB string theory compactification with fluxes. We focus on KKLT and Large Volume Scenario (LVS). We show that the predicted soft SUSY breaking terms in KKLT model are not phenomenological viable. In LVS, the following result for scalar mass, gaugino mass, and trilinear term is obtained:m0=m1/2=-A0=m3/2, which may account for Higgs mass limit ifm3/2~O(1.5) TeV. However, in this case, the relic abundance of the lightest neutralino cannot be consistent with the measured limits. We also study the cosmological consequences of moduli stabilization in both models. In particular, the associated inflation models such as racetrack inflation and Kähler inflation are analyzed. Finally, the problem of moduli destabilization and the effect of string moduli backreaction on the inflation models are discussed.

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