Twistorial versus space--time formulations: unification of various string models

Details Twistorial versus space--time formulations: unification of various string models Twistorial versus space--time formulations: unification of various string models

2006-06-26

arxiv.org/abs/hep-th/0606245v2

Phys.Rev. D75 (2007) 026004

Physics

High Energy Physics

High Energy Physics - Theory

RevTex4,APS, 4 pages. The version which appears in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.75.026004

We introduce the D=4 twistorial tensionfull bosonic string by considering the canonical twistorial 2--form in two--twistor space. We demonstrate its equivalence to two bosonic string models: due to Siegel (with covariant worldsheet vectorial string momenta $P_\mu^{m}(\tau,\sigma)$) and the one with tensorial string momenta $P_{[\mu\nu]}(\tau,\sigma)$. We show how to obtain in mixed space-time--twistor formulation the Soroka--Sorokin--Tkach--Volkov (SSTV) string model and subsequently by harmonic gauge fixing the Bandos--Zheltukhin (BZ) model, with constrained spinorial coordinates.

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