Relevant bibliographies by topics / Vacuum String Field Theory

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  1. Dissertations / Theses

Academic literature on the topic 'Vacuum String Field Theory'

Author: Grafiati
Published: 14 March 2023

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Dissertations / Theses on the topic "Vacuum String Field Theory"

1

Teraguchi, Shunsuke. "Vacuum String Field Theory in the Oscillator Formalism." 京都大学 (Kyoto University), 2004. http://hdl.handle.net/2433/147806.

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2

Barns-Graham, Alexander Edward. "Much ado about nothing : the superconformal index and Hilbert series of three dimensional N =4 vacua." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/287950.

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We study a quantum mechanical $\sigma$-model whose target space is a hyperKähler cone. As shown by Singleton, [184], such a theory has superconformal invariance under the algebra $\mathfrak{osp}(4^*|4)$. One can formally define a superconformal index that counts the short representations of the algebra. When the hyperKähler cone has a projective symplectic resolution, we define a regularised superconformal index. The index is defined as the equivariant Hirzebruch index of the Dolbeault cohomology of the resolution, hereafter referred to as the index. In many cases, the index can be explicitl
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3

Muenster, Korbinian. "String field theory." Diss., Ludwig-Maximilians-Universität München, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-160964.

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This thesis discusses several aspects of string field theory. The first issue is bosonic open-closed string field theory and its associated algebraic structure -- the quantum open-closed homotopy algebra. We describe the quantum open-closed homotopy algebra in the framework of homotopy involutive Lie bialgebras, as a morphism from the loop homotopy Lie algebra of closed string to the involutive Lie bialgebra on the Hochschild complex of open strings. The formulation of the classical/quantum open-closed homotopy algebra in terms of a morphism from the closed string algebra to the open string Ho
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4

Ali, T. "String theory and conformal field theory." Thesis, University of Cambridge, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.595446.

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In this thesis we consider some aspects of two dimensional Conformal Field Theory and their connection to String Theory. We have also studied some aspects of supersymmetry of M-Theory on Ricci-flat seven manifolds with 4-form fluxes. We concentrate mainly on certain supersymmetric extensions of the coset models due to Goddard, Kent and Olive (GKO). These models are known as the Kazama-Suzuki (KS) models and they are characterized by their <i>N</i> = 2 superconformal symmetry. Two series of the KS models enjoy a duality called level-rank duality which can be described roughly as duality between
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5

NICOLOSI, MARCO. "Issues on tadpoles and vacuum redefinitions in String Theory." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2006. http://hdl.handle.net/2108/232.

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“Issues on tadpoles and vacuum redefinitions in String Theory” Marco Nicolosi Questa Tesi di dottorato è dedicata al problema dei “tadpoles” di NS-NS, funzioni ad un punto di campi bosonici assorbiti dal vuoto che tipicamente emergono nella Teoria delle Stringhe in seguito alla rottura della supersimmetria. Queste teorie contengono campi bosonici in due settori, quello di NS-NS e quello di R-R. Mentre i “tadpoles” di R-R tipicamente segnalano un’inconsistenza, come la presenza di anomalie quantistiche nel caso di spazi interni compatti, e quindi in generale devono essere cancellati,
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Uhlmann, Sebastian. "String field theory methods and solutions /." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=969730179.

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7

Sigalov, Ilya. "D-branes and string field theory." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/39560.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2006.<br>Includes bibliographical references (p. 115-127).<br>In this thesis we study the D-brane physics in the context of Witten's cubic string field theory. We compute first few terms the low energy effective action for the non-abelian gauge field A, from Witten's action. We show that after the appropriate field redefinition which relates the string field theory variables to the worldsheet variables one obtains the correct Born-Infeld terms. We then compute the rolling tachyon solution in the context of string field t
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8

Moeller, Nicolas 1975. "Tachyon condensation in string field theory." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/29613.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2003.<br>Includes bibliographical references (p. 185-197).<br>In this thesis, we present some results that strongly support Sen's conjectures on tachyon condensation on a bosonic D-brane. Our main tool of analysis is level truncated open bosonic string field theory We use level truncation to check that the energy difference between the local maximum and the local minimum of the open bosonic tachyon effective potential is equal to the tension of a space-filling D-brane (Sen's first conjecture). Our results prove this equa
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9

Yang, Haitang Ph D. Massachusetts Institute of Technology. "String field theory and tachyon dynamics." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36814.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2006.<br>Includes bibliographical references (p. 77-81).<br>In this thesis we present some works done during my doctoral studies. These results focus on two directions. The first one is motivated by tachyon dynamics in open string theory. We calculate the stress tensors for the p-adic string model and for the pure tachyonic sector of open string field theory (OSFT). We give the energy density of lump solutions and attempt to evaluate the evolution of the pressure in rolling tachyon solutions. We discuss the relevance of
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10

Ellwood, Ian Thomas 1977. "String field theory and tachyon condensation." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/29455.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2004.<br>Includes bibliographical references (p. 133-142).<br>In this thesis I discuss various aspects of Witten's cubic string field theory. After a brief review of the basics of string field theory we begin by showing how string field theory can be used to check certain conjectures about the tachyon vacuum. We then discuss the problem of trying to globally gauge fix string field theory. We end with a discussion of various results in the quantization of the theory.<br>by Ian Thomas Ellwood.<br>Ph.D.
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