Coupling the Sorkin-Johnston state to gravity

Nicolás Avilán, Andrés F. Reyes-Lega, and Bruno Carneiro da Cunha
Phys. Rev. D 90, 084036 – Published 20 October 2014

Abstract

We consider the dynamics of the Sorkin-Johnston state for a massless scalar field in two dimensions. We conduct a study of the renormalized stress-tensor by a subtraction procedure, and compare the results with those of the conformal vacuum, with an important contribution from correction term. We find a large trace anomaly and compute backreaction effects to two dimensional (Liouville) gravity. We also find a natural interpretation for the mirror behavior of the Sorkin-Johnston state described in previous works.

  • Figure
  • Received 30 August 2014

DOI:https://doi.org/10.1103/PhysRevD.90.084036

© 2014 American Physical Society

Authors & Affiliations

Nicolás Avilán* and Andrés F. Reyes-Lega

  • Departamento de Fsica, Universidad de los Andes, Apartado Areo 4976, Bogot, Distrito Capital, Colombia

Bruno Carneiro da Cunha

  • Departamento de Fsica, Universidade Federal de Pernambuco, 53901-970 Recife, Pernambuco, Brazil

  • *ng.avilan47@uniandes.edu.co
  • anreyes@uniandes.edu.co
  • bcunha@df.ufpe.br

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Issue

Vol. 90, Iss. 8 — 15 October 2014

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