Now showing items 789-789 of 789

    • α-states in de Sitter space 

      de Boer, J.; Jejjala, V.; Minic, D. (American Physical Society, 2005-02)
      Field theory in de Sitter space admits a one-parameter family of vacua determined by a superselection parameter alpha. Of these vacua, the Euclidean vacuum uniquely extrapolates to the vacuum of flat Minkowski space. States ...