Eur. Phys. J. C (2016) 76: 234
https://doi.org/10.1140/epjc/s10052-016-4071-3

Regular Article - Theoretical Physics

Tunnelling of pulsating strings in deformed Minkowski spacetime

¹ Departamento de Física & Centro de Matemática e Aplicações, Universidade da Beira Interior, Rua Marquês D’Ávila e Bolama, 6200-001, Covilhã, Portugal
² Instituto de Física, Universidade de São Paulo, Caixa Postal 66318, 05315-970, São Paulo, SP, Brazil

^* e-mail: p12@ubi.pt

Received: 18 December 2015
Accepted: 10 April 2016
Published online: 27 April 2016

Abstract

Using the WKB approximation we analyse the tunnelling of a pulsating string in deformed Minkowski spacetime.