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Title: BPS Spectra of dyons in four-dimensional N = 2 supersymmetric theories
Authors: Singh, Manu P
Rajput, B S
Issue Date: Jun-2000
Publisher: NISCAIR-CSIR, India
Abstract: Analysing the kinematics and monodromies around singularities in quantum moduli space of four-dimensional N = 2 supersymmetric theory without as well as with hypermultiplets, spectra of BPS states have been obtained separately in weak and strong coupling regions. It has been shown that in the absence of hypermultiplets, the weak coupling spectrum contains all dyons with integral electric charges and unit magnetic charge while the strong coupling spectrum consists of only the particles responsible for the monodromies at singularities. Demonstrating electric-magnetic-flavour duality in the presence of supermuitiplets with non-zero bare masses. it has been shown that in the presence of single ¬†flavour, coulomb branch of moduli space exhibits Z3-symmetry with dyonic states of single unit of magnetic charge existing in the weak and strong coupling regions. It has also been shown that the strong coupling spectrum, in presence of two flavours consists of one Z2-pair and that, in presence of three flavours, it consists of dyons with one and two units of magnetic charge.
Page(s): 458-470
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.38(06) [June 2000]

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