Twistorial and space-time descriptions of D=4 string models

Details Twistorial and space-time descriptions of D=4 string models Twistorial and space-time descriptions of D=4 string models

2007-01-19

arxiv.org/abs/hep-th/0701182v1

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, talk given by S. Fedoruk at the XXII Max Born Symposium, Wroclaw, Poland, September 27 - 29, 2006; to be published in

Scientific paper

We derive twistorial tensionful bosonic string action by considering on the world sheet the canonical twistorial 2-form in two-twistor space. We demonstrate the equivalence of or model to two known momentum formulations of D=4 bosonic string, with covariant worldsheet vectorial string momenta $P_\mu^m(\tau,\sigma)$ and the one with tensorial string momenta $P_{[\mu\nu]}(\tau,\sigma)$. All considered here string actions, in twistorial and mixed spinor-spacetime formulations, are classically equivalent to the Nambu-Goto action.

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