Academic Field

Physics, Astronomy

Faculty Mentor Name

Dr. Moataz Emam

Presentation Type

Oral Presentation

Abstract

In superstring theory, " p-branes" are higher dimensional generalizations of black holes. Usually p-brane spacetimes are asymptotically flat, i.e. their gravitational potentials vanish at radial infinity. In this presentation, we will explore the null geodesics (trajectories of light beams) of a non-asymptotically flat 2-brane in five dimensional string theory. We find that this 2-brane splits space into two distinct regions, one dynamically ups ide-down with respect to the other. The effective potential method is used to illustrate this unusual property. We will explore the equations of motion, circular orbits, and the brane's curvature. All of these will be used to analyze relevant geodesics and interpret the properties of this brane.

Keywords

Physics, String Theory, Geodesics

Start Date

10-4-2015 9:30 AM

End Date

10-4-2015 11:00 AM

Location

Holmes Hall 204

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Apr 10th, 9:30 AM Apr 10th, 11:00 AM

The Geodesic Structure of non-asymptotically flat 2-branes

Holmes Hall 204

In superstring theory, " p-branes" are higher dimensional generalizations of black holes. Usually p-brane spacetimes are asymptotically flat, i.e. their gravitational potentials vanish at radial infinity. In this presentation, we will explore the null geodesics (trajectories of light beams) of a non-asymptotically flat 2-brane in five dimensional string theory. We find that this 2-brane splits space into two distinct regions, one dynamically ups ide-down with respect to the other. The effective potential method is used to illustrate this unusual property. We will explore the equations of motion, circular orbits, and the brane's curvature. All of these will be used to analyze relevant geodesics and interpret the properties of this brane.