# Cosmological solution moduli of bigravity

## Abstract

We construct the complete set of metric-configuration solutions of the ghost-free massive bigravity for the scenario in which the g−metric is the Friedmann-Lemaitre-Robertson-Walker (FLRW) one, and the interaction Lagrangian between the two metrics contributes an effective ideal fluid energy-momentum tensor to the g-metric equations. This set corresponds to the exact background cosmological solution space of the theory.

- Authors:

- Department of Electrical and Electronics Engineering, Yaşar University,Selçuk Yaşar Kampüsü, Üniversite Caddesi,No. 35-37, AğaçlıYol, 35100, Bornova, İzmir (Turkey)

- Publication Date:

- Sponsoring Org.:
- SCOAP3, CERN, Geneva (Switzerland)

- OSTI Identifier:
- 22458441

- Resource Type:
- Journal Article

- Resource Relation:
- Journal Name: Journal of Cosmology and Astroparticle Physics; Journal Volume: 2015; Journal Issue: 09; Other Information: PUBLISHER-ID: JCAP09(2015)062; OAI: oai:repo.scoap3.org:12023; cc-by Article funded by SCOAP3. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 License. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.; Country of input: International Atomic Energy Agency (IAEA)

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; COSMOLOGY; ENERGY-MOMENTUM TENSOR; IDEAL FLOW; LAGRANGIAN FUNCTION; MATHEMATICAL SOLUTIONS; METRICS; NONLUMINOUS MATTER

### Citation Formats

```
Yılmaz, Nejat Tevfik.
```*Cosmological solution moduli of bigravity*. United States: N. p., 2015.
Web. doi:10.1088/1475-7516/2015/09/062.

```
Yılmaz, Nejat Tevfik.
```*Cosmological solution moduli of bigravity*. United States. doi:10.1088/1475-7516/2015/09/062.

```
Yılmaz, Nejat Tevfik. Tue .
"Cosmological solution moduli of bigravity". United States.
doi:10.1088/1475-7516/2015/09/062.
```

```
@article{osti_22458441,
```

title = {Cosmological solution moduli of bigravity},

author = {Yılmaz, Nejat Tevfik},

abstractNote = {We construct the complete set of metric-configuration solutions of the ghost-free massive bigravity for the scenario in which the g−metric is the Friedmann-Lemaitre-Robertson-Walker (FLRW) one, and the interaction Lagrangian between the two metrics contributes an effective ideal fluid energy-momentum tensor to the g-metric equations. This set corresponds to the exact background cosmological solution space of the theory.},

doi = {10.1088/1475-7516/2015/09/062},

journal = {Journal of Cosmology and Astroparticle Physics},

number = 09,

volume = 2015,

place = {United States},

year = {Tue Sep 29 00:00:00 EDT 2015},

month = {Tue Sep 29 00:00:00 EDT 2015}

}

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