Freezing of moduli by N=2 dyons.
نویسندگان
چکیده
In N=2 ungauged supergravity we have found the most general doubleextreme dyonic black holes with arbitrary number nv of constant vector multiplets and nh of constant hypermultiplets. They are double-extreme: 1) supersymmetric with coinciding horizons, 2) the mass for a given set of quantized charges is extremal. The spacetime is of the Reissner-Nordström form and the vector multiplet moduli depend on dyon charges. As an example we display nv complex moduli as functions of 2(nv + 1) electric and magnetic charges in a model related to a classical Calabi-Yau moduli space. A specific case includes the complex S, T, U moduli depending on 4 electric and 4 magnetic charges of 4 U(1) gauge groups. [email protected] [email protected] [email protected] 1
منابع مشابه
Degeneracy of Decadent Dyons
A quarter-BPS dyon in N = 4 super Yang-Mills theory is generically ‘decadent’ in that it is stable only in some regions of the moduli space and decays on submanifolds in the moduli space. Using this fact, and from the degeneracy of the system close to the decay, a new derivation for the degeneracy of such dyons is given. The degeneracy obtained from these very simple physical considerations is ...
متن کاملRare Decay Modes of Quarter BPS Dyons
The degeneracy of quarter BPS dyons in N=4 supersymmetric string theories is known to jump across walls of marginal stability on which a quarter BPS dyon can decay into a pair of half BPS dyons. We show that as long as the electric and magnetic charges of the original dyon are primitive elements of the charge lattice, the subspaces of the moduli space on which a quarter BPS dyon becomes margina...
متن کاملGenus Two Surface and Quarter BPS Dyons: The Contour Prescription
Following the suggestion of hep-th/0506249 and hep-th/0612011, we represent quarter BPS dyons in N = 4 supersymmetric string theories as string network configuration and explore the role of genus two surfaces in determining the spectrum of such dyons. Our analysis leads to the correct contour prescription for integrating the partition function to determine the spectrum in different domains of t...
متن کاملLong Range Forces and Supersymmetric Bound States
We consider the long range forces between two BPS particles on the Coulomb branch of N=2 and N=4 supersymmetric gauge theories. The 1/r potential is unambiguously fixed, even at strong coupling, by the moduli dependence of central charges supported by the BPS states. The effective Coulombic coupling vanishes on marginal stability curves, while sign changes on crossing these curves explain the r...
متن کاملComments on the Moduli Dynamics of 1/4 BPS Dyons
We rederive the nonrelativistic Lagrangian for the low energy dynamics of 1/4 BPS dyons by considering the time dependent fluctuations around classical 1/4 BPS configurations. The relevant fluctuations are the zero modes of the underlying 1/2 BPS monopoles.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Physical review. D, Particles and fields
دوره 54 10 شماره
صفحات -
تاریخ انتشار 1996