Big bang as a topological quantum phase transition

F. R. Klinkhamer; G. E. Volovik

doi:10.1103/PhysRevD.105.084066

Big bang as a topological quantum phase transition

F. R. Klinkhamer, G. E. Volovik

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Abstract

It has been argued that a particular type of quantum-vacuum variable q can provide a solution to the main cosmological constant problem and possibly also give a cold-dark-matter component. We now show that the same q field may suggest a new interpretation of the big bang, namely as a quantum phase transition between topologically inequivalent vacua. These two vacua are characterized by the equilibrium values q=±q0, and there is a kink-type solution q(t) interpolating between q=-q0 for t→-∞ and q=+q0 for t→∞, with conformal symmetry for q=0 at t=0.

Original language	English
Article number	084066
Pages (from-to)	1-12
Number of pages	12
Journal	Physical Review D
Volume	105
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevD.105.084066
Publication status	Published - 15 Apr 2022
MoE publication type	A1 Journal article-refereed

Funding

We thank the referee for constructive remarks. The work of G. E. V. has been supported by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Grant Agreement No. 694248).

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abstract = "It has been argued that a particular type of quantum-vacuum variable q can provide a solution to the main cosmological constant problem and possibly also give a cold-dark-matter component. We now show that the same q field may suggest a new interpretation of the big bang, namely as a quantum phase transition between topologically inequivalent vacua. These two vacua are characterized by the equilibrium values q=±q0, and there is a kink-type solution q(t) interpolating between q=-q0 for t→-∞ and q=+q0 for t→∞, with conformal symmetry for q=0 at t=0. ",

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Big bang as a topological quantum phase transition

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TOPVAC: From Topological Matter to Relativistic Quantum Vacuum

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Big bang as a topological quantum phase transition

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Funding

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TOPVAC: From Topological Matter to Relativistic Quantum Vacuum

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