Functional evolution of scalar fields in bounded one-dimensional regions Articles uri icon

publication date

  • February 2017

start page

  • 065004-1

end page

  • 065004-15

issue

  • 6

volume

  • 34

International Standard Serial Number (ISSN)

  • 0264-9381

Electronic International Standard Serial Number (EISSN)

  • 1361-6382

abstract

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

keywords

  • arbitrary cauchy surfaces; unitary quantum evolution; bounded domains; bogoliubov coefficients; quantum field theory; boundary conditions