Volume 97, Number 5, March 2012
|Number of page(s)||5|
|Published online||06 March 2012|
Killing spinors for the bosonic string
China Economics and Management Academy, Central University of Finance and Economics Beijing 100081, China
2 Institute for Advanced Study, Shenzhen University - Nanhai Ave 3688, Shenzhen 518060, China
3 School of Physics, Korea Institute for Advanced Study - Seoul 130-722, Korea
Accepted: 8 February 2012
We obtain the effective action for the bosonic string with arbitrary Yang-Mills fields, up to the α ′ order, in general dimensions. The form of the action is determined by the requirement that the action admit well-defined Killing spinor equations, whose projected integrability conditions give rise to the full set of equations of motion. The success of the construction suggests that the hidden “pseudo-supersymmetry” associated with the Killing spinor equations may be a property of the bosonic string itself.
PACS: 04.60.Cf – Gravitational aspects of string theory
© EPLA, 2012
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