Zero-Branes, Quantum Mechanics and the Cosmological Constant

Abstract

We analyse some dynamical issues in a modified type IIA supergravity, recently proposed as an extension of M-theory that admits de Sitter space. In particular we find that this theory has multiple zero-brane solutions. This suggests a microscopic quantum mechanical matrix description which yields a massive deformation of the usual M(atrix) formulation of M-theory and type IIA string theory.

15 pages LaTeX, added references

References in corpus (10)

• The dS/CFT Correspondence
• Quantum Gravity In De Sitter Space
• M(atrix) Theory: Matrix Quantum Mechanics as a Fundamental Theory
• Homogeneous fluxes, branes and a maximally supersymmetric solution of M-theory
• Deconstructing de Sitter
• Matrix Model for De Sitter
• de Sitter space from M-theory?
• Symmetries, Matrices, and de Sitter Gravity
• Cosmological constant in broken maximal sugras
• M-Theory and de Sitter Space

Cited by in corpus (18)

• Conformal Vacua and Entropy in de Sitter Space
• Les Houches Lectures on De Sitter Space
• Classification of the Weyl Tensor in Higher Dimensions and Applications
• Supergravities without an Action: Gauging the Trombone
• (Non-)Abelian Gauged Supergravities in Nine Dimensions
• Black Hole Production at LHC: String Balls and Black Holes from pp and Lead-lead Collisions
• The Asymptotic Dynamics of de Sitter Gravity in three Dimensions
• Massive IIA String Theory and Matrix Theory Compactification
• De Sitter Gravity and Liouville Theory
• Observational Constraints on Accelerating Brane Cosmology with Exchange between the Bulk and Brane
• IIA String Theory on Calabi-Yau Fourfolds with Background Fluxes
• de Sitter entropy from conformal field theory
• Nutty Bubbles
• Spectra of PP-Wave Limits of M-/Superstring Theory on AdS_p x S^q Spaces
• Massive IIA supergravities
• Supermatrix models for M-theory based on osp(1|32,R)
• CFT on the Brane with a Reissner-Nordstrom-de Sitter Twist
• Solutions to the Massive HLW IIA Supergravity