| Issue |
EPL
Volume 122, Number 2, April 2018
|
|
|---|---|---|
| Article Number | 21002 | |
| Number of page(s) | 5 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/122/21002 | |
| Published online | 12 June 2018 | |
Weyl degree of freedom in the Nambu-Goto string through field transformation
Department of Physics, Banaras Hindu University - Varanasi-221005, India
(a) vipulvaranasi@gmail.com
(b) bhabani.mandal@gmail.com
Received: 17 March 2018
Accepted: 18 May 2018
We show how Weyl degrees of freedom can be introduced in the Nambu-Goto string in the path-integral formulation using the reparametrization invariant measure. We first identify Weyl degrees in conformal gauge using BFV formulation. Further we change the Nambu-Goto string action to the Polyakov action. The generating functional in light-cone gauge is then obtained from the generating functional corresponding to the Polyakov action in conformal gauge by using suitably constructed finite-field–dependent BRST transformation.
PACS: 11.15.-q – Gauge field theories / 11.30.-j – Symmetry and conservation laws
© EPLA, 2018
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