Without a preferred timelike Killing flow there is no canonical positive-frequency splitting. Different choices are related by a Bogoliubov transformation and generally define different particle notions and vacuum states.

Ancestors (5)

  1. Quantum field theory in curved spacetime
  2. Quantum field theory
  3. Branches of physics
  4. Physics
  5. Home

Incoming links (4)

View article source

Discussion (0)

New discussion

There are no discussions about this article yet.

Articles by others on the same topic (0)

There are currently no matching articles.
See all articles in the same topic Create my own version