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Journal of High Energy Physics

, 2011:70

First Online: 17 August 2011Received: 16 February 2011Revised: 14 July 2011Accepted: 14 July 2011


We establish explicitely the relation between the algebraic and Nambu-Goto strings when the target space is a four dimensional flat space. We find that the two theories are exactly equivalent only when the algebraic string is restricted to the self-dual or anti self-dual sectors. In its Hamiltonian formulation, the algebraic string defines a constrained system with first and second class constraints. In the self-dual case, we exhibit the appropriate set of second class constraints such that the resulting physical phase space is formulated in the same way as it is in the standard Nambu-Goto string. We conclude with a discussion on alternative quantisation schemes.

KeywordsGauge Symmetry Bosonic Strings Models of Quantum Gravity ArXiv ePrint: 1012.5073

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Autor: Winston J. Fairbairn - Karim Noui - Francesco Sardelli

Fuente: https://link.springer.com/

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