Rotating-Moving D-Branes with Background Fields in the Superstring Theory

TL;DR

This paper investigates the effects of background fields, rotation, and motion on D-branes in superstring theory, analyzing their interactions and the influence of tachyon fields on amplitude behavior.

Contribution

It introduces a boundary state formalism approach to study rotating and moving D-branes with background fields, highlighting new effects due to tachyon fields and brane dynamics.

Findings

Interaction amplitude depends on tachyon, rotation, and velocity effects.

Massless modes' contributions are explicitly analyzed.

Behavior of interaction amplitude shows notable differences from conventional models.

Abstract

Using the boundary state formalism we study rotating and moving D$p$-branes in the presence of the following background fields: Kalb-Ramond, $U(1)$ gauge potential and the tachyon field. The rotation and motion are in the brane volumes. The interaction amplitude of two D$p$-branes will be studied, and specially contribution of the superstring massless modes will be segregated. Because of the tachyon fields, rotations and velocities of the branes, the behavior of the interaction amplitude reveals obvious differences from what is conventional.