Casimir Energies due to Matter Fields in $T^2$ and $T^2/Z_2$ Compactifications

Abstract

We calculate the Casimir energies due to matter fields with various boundary conditions along two compact directions in $T^2$ compactification. We discuss whether the Casimir energies generate attractive or repulsive forces. On the theories with extra dimensions, the Casimir energy plays a crucial role in the mechanism for stabilizing the size of extra dimensions. Finally we argue a procedure of the application to $Z_2$ orbifold.

17 pages, no figure, title modified, to appear in Nucl.Phys.B

References in corpus (2)

• Casimir Energy and Radius Stabilization in Five and Six Dimensional Orbifolds
• (De)Stabilization of an extra dimension due to a Casimir force

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