Tachyon Matter in Boundary String Field Theory

Abstract

We analyse the classical decay process of unstable D-branes in superstring theory using the boundary string field theory (BSFT) action. We show that the solutions of the equations of motion for the tachyon field asymptotically approach to T=x^0 and the pressure rapidly falls off at late time producing the tachyon matter irrespective of the initial condition. We also consider the cosmological evolution driven by the rolling tachyon using the BSFT action as an effective action.

13 pages, 3 figures, Latex, corrected a misleading argument about solutions with z<-1

References in corpus (4)

• Rolling Tachyon
• Cosmological Evolution of the Rolling Tachyon
• Spacelike Branes
• Rolling the tachyon in super BSFT

Cited by in corpus (83)

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• Rolling Tachyons and Decaying Branes
• D-brane Decay in Two-Dimensional String Theory
• Time Evolution in Open String Theory
• Classical and Quantum D-branes in 2D String Theory
• Coupling of Rolling Tachyon to Closed Strings
• Decay of Unstable D-branes with Electric Field
• Closed Strings as Imaginary D-branes
• Open and Closed Strings from Unstable D-branes
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• Phantom k-essence cosmologies
• Bouncing and Accelerating Solutions in Nonlocal Stringy Models
• Reheating from Tachyon Condensation
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• Rolling Tachyon in Brane World Cosmology from Superstring Field Theory
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• On-shell S-matrix and tachyonic effective actions
• Cosmic acceleration and crossing of w=-1 barrier in non-local Cubic Superstring Field Theory model
• Inhomogeneous tachyon decay, light-cone structure and D-brane network problem in tachyon cosmology
• Tachyon Dynamics and the Effective Action Approximation
• Rolling of Modulated Tachyon with Gauge Flux and Emergent Fundamental String
• The Rolling Tachyon as a Matrix Model
• Does the Tachyon Matter?
• D-Brane Dynamics in Dp-Brane Background
• Comments on D-brane Dynamics Near NS5-Branes
• Taming the Tachyon in Cubic String Field Theory
• Tachyon Kinks
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• Exact Description of D-branes via Tachyon Condensation
• Gravitational Approach to Tachyon Matter
• Electromagnetic String Fluid in Rolling Tachyon
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• Tachyon solutions in boundary and cubic string field theory
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• Time Evolution via S-branes
• Time Dependent Solution in Cubic String Field Theory
• Toward Open-Closed String Theoretical Description of Rolling Tachyon
• Gauge Fields and Scalars in Rolling Tachyon Backgrounds
• Hamilton-Jacobi Formalism for Tachyon Inflation
• Gauge Fields on Tachyon Matter
• D-brane Dynamics in the c=1 Matrix Model
• Tachyon Kinks on Unstable Dp-branes
• Off-shell extension of S-matrix elements and tachyonic effective actions
• Atypical k-essence cosmologies
• Notes on Tachyon Effective Actions and Veneziano Amplitudes
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• On Effective Actions for the Bosonic Tachyon
• D-brane Dynamics and Creations of Open and Closed Strings after Recommbination
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• The Schrödinger Wave Functional and S-branes
• The Final Fate of the Rolling Tachyon
• Closed String Emission from Unstable D-brane with Background Electric Field
• Note on D-Brane Effective Action in the Linear Dilaton Background
• Constraints on tachyon inflationary models with an AdS/CFT correspondence
• Non-abelian expansion of S-matrix elements and non-abelian tachyon DBI action
• Boundary String Field Theory as a Field Theory -- Mass Spectrum and Interaction
• Delocalized, non-SUSY $p$-branes, tachyon condensation and tachyon matter
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• Perturbations in Tachyon Dark Energy and their Effect on Matter Clustering
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• Inhomogeneous tachyon condensation
• Evolution of Tachyon Kink with Electric Field
• Homogeneous Rolling Tachyons in Boundary String Field Theory
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