"Black string solutions with negative cosmological constant"(adsbygoogle = window.adsbygoogle || []).push({});

By Robert B. Mann, Eugen Radu, Cristian Stelea

It is a remarkable work in my point of view. They present an arguments for the existence of new black string solutions with negative cosmological constant.

These higher-dimensional configurations have no dependence on the `compact' extra dimension, and their conformal infinity is the product of time and $S^{d-3}\times R$ or $H^{d-3}\times R$.

The configurations with an event horizon topology $S^{d-2}\times S^1$ have a nontrivial, globally regular limit with zero event horizon radius.

They discuss the general properties of such solutions and, using a counterterm prescription, they compute their conserved charges and discuss their thermodynamics.

Upon performing a dimensional reduction they prove that the reduced action has an effective $SL(2,R)$ symmetry.

This symmetry is used to construct non-trivial solutions of the Einstein-Maxwell-Dilaton system with a Liouville-type potential for the dilaton in $(d-1)$-dimensions.

Interesting!!!

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Mann's new paper

**Physics Forums | Science Articles, Homework Help, Discussion**