I start from massles & free scalar field theory in $d$-dimenisonal space. It is clear that this theory has conformal symmetry. My question is devoted to derivation of conserved current $$J_{\mu_1\mu_2...\mu_s}=\sum_{k=0}^{s}c_{sk}\partial_{\left\lbrace\mu_1...\mu_k\right.}\phi\partial_{\left.\mu_{k+1}...\mu_s\right\rbrace}\phi,\quad s=2,4,...$$ In this expression braces mean traceless symmetrization. I do not understand from which epxression should I start to derive this current.

  • $\begingroup$ Are you following a reference? $\endgroup$ – Qmechanic Oct 12 '19 at 14:23
  • $\begingroup$ What do you mean? $\endgroup$ – Artem Alexandrov Oct 12 '19 at 15:26

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