Probability distribution of the vacuum energy density (CROSBI ID 167315)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Duplančić, Goran ; Glavan, Dražen ; Štefančić, Hrvoje
engleski
Probability distribution of the vacuum energy density
As the vacuum state of a quantum field is not an eigenstate of the Hamiltonian density, the vacuum energy density can be represented as a random variable. We present an analytical calculation of the probability distribution of the vacuum energy density for real and complex massless scalar fields in Minkowski space. The obtained probability distributions are broad and the vacuum expectation value of the Hamiltonian density is not fully representative of the vacuum energy density.
vacuum energy density ; probability distribution ; Quantum Field Theory ; cosmological constant ; inflation
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Podaci o izdanju
82 (12)
2010.
125008
5
objavljeno
1550-7998
1550-2368
10.1103/PhysRevD.82.125008