Analytic Solutions for Marginal Deformations in Open String Field Theory

Abstract

We develop a calculable analytic approach to marginal deformations in open string field theory using wedge states with operator insertions. For marginal operators with regular operator products, we construct analytic solutions to all orders in the deformation parameter. In particular, we construct an exact time-dependent solution that describes D-brane decay and incorporates all alpha' corrections. For marginal operators with singular operator products, we construct solutions by regularizing the singularity and adding counterterms. We explicitly carry out the procedure to third order in the deformation parameter.

34 pages, LaTeX2e, 1 figure; v2: minor corrections, version published in JHEP

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• Tachyon Vacuum in Cubic Superstring Field Theory
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• Analytical Solutions of Open String Field Theory
• Analytic solutions for marginal deformations in open superstring field theory
• Real analytic solutions for marginal deformations in open superstring field theory
• String Field Theory Solution for Any Open String Background
• Solutions from boundary condition changing operators in open string field theory
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• Connecting Solutions in Open String Field Theory with Singular Gauge Transformations
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• Boundary State from Ellwood Invariants
• On the classical equivalence of superstring field theories
• Linear b-Gauges for Open String Fields
• Four Lectures on Analytic Solutions in Open String Field Theory
• Comments on Lumps from RG flows
• Solutions from boundary condition changing operators in open superstring field theory
• From the Berkovits formulation to the Witten formulation in open superstring field theory
• Comments on Solutions for Nonsingular Currents in Open String Field Theories
• Dynamics with Infinitely Many Time Derivatives in Friedmann-Robertson-Walker Background and Rolling Tachyon
• Kinks of open superstring field theory
• Marginally Deformed Rolling Tachyon around the Tachyon Vacuum in Open String Field Theory
• Singular gauge transformations in string field theory
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• Ramond Equations of Motion in Superstring Field Theory
• The energy of the analytic lump solution in SFT
• Constraints on a class of classical solutions in open string field theory
• The Phantom Term in Open String Field Theory
• Tachyon Condensation on Separated Brane-Antibrane System
• String theory as a diffusing system
• A simple solution for marginal deformations in open string field theory
• Comments on gauge invariant overlaps for marginal solutions in open string field theory
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• Ghost story. I. Wedge states in the oscillator formalism
• Comments on superstring field theory and its vacuum solution
• One-Loop Riemann Surfaces in Schnabl Gauge
• Initial value problem in string-inspired nonlocal field theory
• BCFT and OSFT moduli: an exact perturbative comparison
• Schnabl's Solution and Boundary States in Open String Field Theory
• Pure Gauge Configurations and Solutions to Fermionic Superstring Field Theories Equations of Motion
• Gauge-invariant observables and marginal deformations in open string field theory
• Higgs Mechanism in Nonlocal Field Theories
• General Linear Gauges and Amplitudes in Open String Field Theory
• Analytic solutions for Dp branes in SFT
• Democratic Superstring Field Theory: Gauge Fixing
• Fluctuations around the Tachyon Vacuum in Open String Field Theory
• Light-like tachyon condensation in Open String Field Theory
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• String Field Theory
• SFT on separated D-branes and D-brane translation
• Ghost story. III. Back to ghost number zero
• Rolling Near the Tachyon Vacuum
• Delays in Open String Field Theory
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• Time-Symmetric Rolling Tachyon Profile
• Level truncation analysis of regularized identity based solutions
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• Numerical Solutions of Open String Field Theory in Marginally Deformed Backgrounds
• Superstring field theory equivalence: Ramond sector
• TFD Extension of Open String Field Theory
• Numerical solution for tachyon vacuum in the Schnabl gauge
• Level Truncation Approach to Open String Field Theory
• Numerical solution of open string field theory in Schnabl gauge
• Closed string field theory in a-gauge
• Spectral properties of ghost Neumann matrices
• Analytical solutions of pure-spinor superstring field theory
• On string fields and superstring field theories
• Negative-Tension Branes and Tensionless 1/2 Brane in Boundary Conformal Field Theory
• Lattice String Field Theory: The linear dilaton in one dimension
• Local and Nonlocal Thermal Field Theory
• Large BCFT moduli in open string field theory
• Energy from Ellwood invariant for solutions involving $X^0$ variables
• Singular field redefinition between Witten's string field theory and Witten's theory deformed by Ellwood invariant
• Renormalization schemes for SFT solutions
• Comments on lump solutions in SFT