Boundary States for D-branes with Traveling Waves

Abstract

We construct boundary states for D-branes which carry traveling waves in the covariant formalism. We compute their vacuum amplitudes to investigate their interactions. In non-compact space, the vacuum amplitudes become trivial as is common in plane wave geometries. However, we found that if they are compactified in the traveling direction, then the amplitudes are affected by non-trivial time dependent effects. The interaction between D-branes with waves traveling in the opposite directions (`pulse-antipulse scattering') are also computed. Furthermore, we apply these ideas to open string tachyon condensation with traveling waves.

arXiv comment30 pages. 1 figure, Latex, minor corrections, references added

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• Open strings in relativistic ion traps
• One-Loop Effect of Null-Like Cosmology's Holographic Dual Super-Yang-Mills
• Unitarity Meets Channel-Duality for Rolling / Decaying D-Branes
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