Hamiltonian derivation of dual gravitational charges

Author:

Godazgar Hadi,Godazgar MahdiORCID,Perry Malcolm J.

Abstract

Abstract We provide a Hamiltonian derivation of recently discovered dual BMS charges. In order to do so, we work in the first order formalism and add to the usual Palatini action, the Holst term, which does not contribute to the equations of motion. We give a method for finding the leading order integrable dual charges à la Wald-Zoupas and construct the corresponding charge algebra. We argue that in the presence of fermions, the relevant term that leads to dual charges is the topological Nieh-Yan term.

Publisher

Springer Science and Business Media LLC

Subject

Nuclear and High Energy Physics

Reference74 articles.

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