Supersymmetry at BLTP: Recent Progress in Two Directions

Abstract

Ten years ago, in a paper \cite{60}, a brief historical survey of the research activity in the Sector ``Supersymmetry'' at the Bogoliubov Laboratory of Theoretical Physics (BLTP) for more than 50 years of its existence has been given. Here, in commemoration of the 70th jubilee of Joint Institute for Nuclear Research, we review some recent sound advancements in this area. Specifically, we consider the issues of constructing the superfield quantum effective actions in $6D,\mathcal{N}=(1,0)$ supersymmetry and off-shell unconstrained superfield formulations of $\mathcal{N}=2$ higher spins. In both cases, the harmonic superspace approach plays the decisive role.

0 + 26 pages, title modified, footnote and two refs. added, acknowledgements extended, typos corrected

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