Aspects of superconformal multiplets in D > 4

Implications of Superconformal Symmetry for Interacting (2,0) Tensor Multiplets

We study the structure of the four-point correlation function of the lowest-dimension 1/2 BPS operators (stress-tensor multiplets) in the (2,0) six-dimensional theory. We first discuss the superconformal Ward identities and the group-theoretical restrictions on the corresponding OPE. We show that the general solution of the Ward identities is expressed in terms of a single function of the two c...

Superconformal symmetry in the interacting theory of (2, 0) tensor multiplets and self-dual strings

We investigate the concept of superconformal symmetry in six dimensions, applied to the interacting theory of (2, 0) tensor multiplets and self-dual strings. The action of a superconformal transformation on the superspace coordinates is found, both from a six-dimensional perspective and by using a superspace with eight bosonic and four fermionic dimensions. The transformation laws for all field...

Probe D–branes in Superconformal Field Theories

The open/closed string descriptions of a system of Nc parallel D3–branes in flat space decouple in the large Nc limit, this leading to the duality between N = 4 supersymmetric Yang–Mills theory and type IIB string theory in AdS5 × S [1]. If, instead, the transverse six dimensional flat space background is replaced by a Calabi–Yau threefold, Y , the amount of preserved supercharges reduces to on...

N = ( 4 , 4 ) Twisted Multiplets in N = ( 2 , 2 ) Superspace

We describe four different types of the N =(4, 4) twisted supermultiplets in two-dimensional N =(2, 2) superspace R (1,1|2,2). All these multiplets are presented by a pair of chiral and twisted chiral superfields and differ in the transformation properties under an extra hidden N =(2, 2) supersymmetry. The sigma model N =(2, 2) superfield Lagrangians for each type of the N =(4, 4) twisted super...

Exacting N = 4 Superconformal Symmetry