New Attractors

TL;DR

This paper introduces new algebraic attractor equations for supersymmetric flux vacua in type IIB string theory, revealing novel stabilization mechanisms for moduli, including cases with zero central charge, and extends these equations to non-supersymmetric scenarios.

Contribution

It derives new attractor equations incorporating a mass matrix term, enabling moduli stabilization in previously inaccessible cases, and proposes equations for non-supersymmetric vacua.

Findings

New attractor equations for supersymmetric flux vacua.

Moduli stabilization at zero central charge.

Extension to non-supersymmetric black holes and flux vacua.

Abstract

We derive new algebraic attractor equations describing supersymmetric flux vacua of type IIB string theory. The first term in these equations, proportional to the gravitino mass (the central charge), is similar to the attractor equations for moduli fixed by the charges near the horizon of the supersymmetric black holes. The second term does not have a counterpart in the theory of black hole attractors. It is proportional to a mass matrix mixing axino-dilatino with complex structure modulino. This allows stabilization of moduli for vanishing central charge, which was not possible for BPS black holes. Finally, we propose a new set of attractor equations for non-supersymmetric black holes and for non-supersymmetric flux vacua.