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Nongeometric flux compactifications

- J. Shelton, W. Taylor, B. Wecht
- Physics
- 18 August 2005

We investigate a simple class of type-II string compactifications which incorporate nongeometric ``fluxes'' in addition to ``geometric flux'' and the usual H-field and R-R fluxes. These… Expand

Type IIA Moduli Stabilization

- O. Dewolfe, A. Giryavets, S. Kachru, W. Taylor
- Physics
- 18 May 2005

We demonstrate that flux compactifications of type IIA string theory can classically stabilize all geometric moduli. For a particular orientifold background, we explicitly construct an infinite… Expand

Two-dimensional QCD is a string theory

I explore the possibility of finding an equivalent string representation of two-dimensional QCD. I develop the large N expansion of the QCD2 partition function on an arbitrary two-dimensional… Expand

Twists and Wilson Loops in the String Theory of Two Dimensional QCD

Abstract The string theory that describes two-dimensional QCD in an asymptotic 1/ N expansion is investigated further. A complete geometrical description of the QCD partition function on an arbitrary… Expand

Classifying bases for 6D F-theory models

- D. Morrison, W. Taylor
- Mathematics, Physics
- 9 January 2012

We classify six-dimensional F-theory compactifications in terms of simple features of the divisor structure of the base surface of the elliptic fibration. This structure controls the minimal spectrum… Expand

Inflationary Constraints on Type IIA String Theory

- M. Hertzberg, S. Kachru, W. Taylor, M. Tegmark
- Physics
- 16 November 2007

We prove that inflation is forbidden in the most well understood class of semi-realistic type IIA string compactifications: Calabi-Yau compactifications with only standard NS-NS 3-form flux, R-R… Expand

Generalized flux vacua

- J. Shelton, W. Taylor, B. Wecht
- Physics
- 4 July 2006

We consider type II string theory compactified on a symmetric T6/2 orientifold. We study a general class of discrete deformations of the resulting four-dimensional supergravity theory, including… Expand

Spherical membranes in m(atrix) theory

We consider membranes of spherical topology in uncompactified Matrix theory. In general for large membranes Matrix theory reproduces the classical membrane dynamics up to 1/N corrections; for certain… Expand

The singular geometry of the sliver

We consider ``sliver'' states which act as projection operators in the matter star product of Witten's cubic string field theory. These sliver states, which might be associated with Dp-branes, are… Expand

Enumerating flux vacua with enhanced symmetries

- O. Dewolfe, A. Giryavets, S. Kachru, W. Taylor
- Physics
- 4 November 2004

We study properties of flux vacua in type IIB string theory in several simple but illustrative models. We initiate the study of the relative frequencies of vacua with vanishing superpotential W = 0… Expand

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