scispace - formally typeset
Open Access

Particle Creation from Vacuum Near an Homogeneous Isotropic Singularity

S. G. Mamaev, +2 more
- Vol. 70, pp 1577-1591
Reads0
Chats0
About
The article was published on 1976-01-01 and is currently open access. It has received 59 citations till now. The article focuses on the topics: Interacting boson model & Scalar boson.

read more

Citations
More filters
Posted Content

The generalized Abel-Plana formula with applications to Bessel functions and casimir effect

TL;DR: In this article, the authors generalized the Abel-Plana formula and derived the divergent parts from the vacuum expectation values for the local physical observables in a manifestly cutoff independent way and presented them in the form of strongly convergent integrals.
Journal ArticleDOI

Ultrahigh-energy cosmic rays, superheavy long-lived particles, and matter creation after inflation

V. A. Kuzmin, +1 more
- 12 Feb 1998 - 
TL;DR: In this paper, a new cutoff in the ultra-high-energy cosmic ray spectrum was predicted, the exact position of the cutoff and the shape of the spectrum beyond the Greisen-Zatsepin-Kuzmin (GZK) cutoff being determined by the QCD quark/gluon fragmentation.
Journal ArticleDOI

Remarks on positive frequency and Hamiltonians in expanding universes.

TL;DR: In this paper, a cosmological model of Bianchi type I, containing a scalar field φ whose equation includes the term ξRφ, is considered, which yields a finite particle creation rate only when φ = 1/6 and the universe is isotropic.
Book ChapterDOI

Nonsingular Model of the Universe with the Quantum-Gravitational de Sitter Stage and its Observational Consequences

TL;DR: In this article, the existence of a singularity at some finite moment of time t = 0 in the past was shown to be a fundamental difficulty in the analysis of the Friedmann-Robertson-Walker cosmological model, and it is shown that the Friedman solution cannot be analytically continued to the region t < 0 where there is no space and no time.
Journal ArticleDOI

Cosmological landscape from nothing: some like it hot

TL;DR: In this article, the authors proposed a model of the quantum universe based on the Euclidean path integral and showed that the cosmological landscape is limited to a bounded range Λmin≤Λ≤ Λmax.