Projects per year
Abstract
A constant (spacetime-independent) q-field may play a crucial role for the cancellation of Planck-scale contributions to the gravitating vacuum energy density. We now show that a small spacetime-dependent perturbation of the equilibrium q-field behaves gravitationally as a pressureless perfect fluid. This makes the fluctuating part of the q-field a candidate for the inferred dark-matter component of the present universe. For a Planck-scale oscillation frequency of the q-field perturbation, the implication would be that direct searches for dark-matter particles would remain unsuccessful in the foreseeable future.
| Original language | English |
|---|---|
| Pages (from-to) | 74-77 |
| Number of pages | 4 |
| Journal | JETP Letters |
| Volume | 105 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1 Jan 2017 |
| MoE publication type | A1 Journal article-refereed |
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Dive into the research topics of 'Dark matter from dark energy in q-theory'. Together they form a unique fingerprint.Projects
- 2 Finished
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TOPVAC: From Topological Matter to Relativistic Quantum Vacuum
Volovik, G. (Principal investigator), Zhang, K. (Project Member), Mäkinen, J. (Project Member), Nissinen, J. (Project Member), Rantanen, R. (Project Member), Eltsov, V. (Project Member), Wang, R. (Project Member), Ikäheimo, A. (Project Member), Noponen, H. (Project Member), Volard, M.-M. (Project Member), Laurila, S. (Project Member), Rysti, J. (Project Member) & Kamppinen, T. (Project Member)
01/10/2016 → 30/09/2022
Project: EU: ERC grants
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Centre of Excellence in Low Temperature Quantum Phenomena and Devices
Eltsov, V. (Principal investigator), Prittinen, T. (Project Member), Rysti, J. (Project Member), Volovik, G. (Project Member) & Mäkinen, J. (Project Member)
01/01/2015 → 31/12/2017
Project: Academy of Finland: Other research funding