Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2007-10-02
AIP Conf.Proc.962:175-184,2007
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
To appear in "Quantum Theory: Reconsideration of Foundations 4", 11-16 June 2007, Vaxjo University, Sweden (AIP Conference Pro
Scientific paper
10.1063/1.2827302
In the presence of a cosmological constant, interpreted as a purely geometric entity, absence of matter is represented by a de Sitter spacetime. As a consequence, ordinary Poincare' special relativity is no longer valid and must be replaced by a de Sitter special relativity. By considering the kinematics of a spinless particle in a de Sitter spacetime, we study the geodesics of this spacetime, the ensuing definitions of canonical momenta, and explore possible implications for quantum mechanics.
Aldrovandi Ruben
Beltran Almeida Juan P.
Mayor C. S. O.
Pereira J. G.
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