Functional evolution of scalar fields in bounded one-dimensional regions

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Functional evolution of scalar fields in bounded one-dimensional regions

Author(s): Barbero G., J. Fernando; Margalef Bentabol, Juan; Sánchez Villaseñor, Eduardo Jesús
Publisher: IOP Publishing Ltd
Issued date: 2017-02-27
Citation: Classical and Quantum Gravity, 34 (6), 065004.
ISSN: 0264-9381
DOI: https://dx.doi.org/10.1088/1361-6382/aa5e8c
Sponsor: The authors wish to thank Ivan Agullo and Madhavan Varadarajan for their valuable comments. This work has been supported by the Spanish MINECO research grant FIS2014-57387-C3-3-P. Juan Margalef-Bentabol is supported by a 'la Caixa' fellowship and a Residencia de Estudiantes (MINECO) fellowship.
Project: Gobierno de España. FIS2014-57387-C3-3-P
Keywords: Arbitrary Cauchy surfaces , Unitary quantum evolution , Bounded domains , Bogoliubov coefficients , Quantum field theory , Boundary conditions
URI: http://hdl.handle.net/10016/24697
Rights: © IOP Publishing Ltd, 2017

Abstract:

We discuss the unitarity of the quantum evolution between arbitrary Cauchy surfaces of a 1 + 1 dimensional free scalar field defined on a bounded spatial region and subject to several types of boundary conditions including Dirichlet, Neumann and Robin. [+]

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