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Big Bounce in Dipole Cosmology
General Relativity and Quantum Cosmology · Submitted 6 Oct 2010
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We show that a non-singular evolution takes place for any matter field and that, by considering a massless scalar field as a relational clock for the dynamics, the semi-classical proprieties of an initial state are preserved on the other side of the bounce.
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The abstract, sentence by sentence
We derive the cosmological Big Bounce scenario from the dipole approximation of Loop Quantum Gravity. We show that a non-singular evolution takes place for any matter field and that, by considering a massless scalar field as a relational clock for the dynamics, the semi-classical proprieties of an initial state are preserved on the other side of the bounce. This model thus enhances the relation between Loop Quantum Cosmology and the full theory.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We derive the cosmological Big Bounce scenario from the dipole approximation of Loop Quantum Gravity. | contribution 0.94 | 0.95 | 0.59 | asserted 1.00 |
| s1 | We show that a non-singular evolution takes place for any matter field and that, by considering a massless scalar field as a relational clock for the dynamics, the semi-classical proprieties of an initial state are preserved on the other side of the bounce. | result 0.97 | 0.94 | 0.57 | asserted 1.00 |
| s2 | This model thus enhances the relation between Loop Quantum Cosmology and the full theory. | interpretation 1.00 | 0.54 | 0.26 | asserted 0.99 |
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The paper
Original abstract
We derive the cosmological Big Bounce scenario from the dipole approximation of Loop Quantum Gravity. We show that a non-singular evolution takes place for any matter field and that, by considering a massless scalar field as a relational clock for the dynamics, the semi-classical proprieties of an initial state are preserved on the other side of the bounce. This model thus enhances the relation between Loop Quantum Cosmology and the full theory.
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How the literature uses it
7 arXiv papers cite this in 8 sentences
Papers citing it · 7 sentences without a confident label
Cites it as background 1 paper
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Recently, this scenario has been extensively investigated in various approaches [ref] .
Bouncing universe with modified dispersion relation · Introduction · 0.89
What it cites · 1 sentence without a confident label
Cites as background 2 papers
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We present here a brief account for the model [ref] (for a concise presentation see [ref] ).
Towards inhomogeneous loop quantum cosmology: triangulating Bianchi IX with perturbations · Dipole cosmology · 0.93
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Results regarding geometric inflation [ref] , suppression of chaoticity [ref] , addition of some inhomogeneous effects [ref] , path integral formulation within LQC [ref] , spin foam cosmology [ref] and relation to non-commutative geometry [ref] have been also obtained.
Towards Spinfoam Cosmology · Introduction · 0.97
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