# Dark energy cosmology with tachyon field in teleparallel gravity

## Abstract

We construct a tachyon teleparallel dark energy model for a homogeneous and isotropic flat universe in which a tachyon as a non-canonical scalar field is non-minimally coupled to gravity in the framework of teleparallel gravity. The explicit form of potential and coupling functions are obtained under the assumption that the Lagrangian admits the Noether symmetry approach. The dynamical behavior of the basic cosmological observables is compared to recent observational data, which implies that the tachyon field may serve as a candidate for dark energy.

- Authors:

- University of Tabriz, Faculty of Physics (Iran, Islamic Republic of)

- Publication Date:

- OSTI Identifier:
- 22617232

- Resource Type:
- Journal Article

- Journal Name:
- Journal of Experimental and Theoretical Physics

- Additional Journal Information:
- Journal Volume: 123; Journal Issue: 1; Other Information: Copyright (c) 2016 Pleiades Publishing, Inc.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1063-7761

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; COMPARATIVE EVALUATIONS; COSMOLOGICAL MODELS; COSMOLOGY; ENERGY MODELS; GRAVITATION; LAGRANGIAN FUNCTION; NONLUMINOUS MATTER; SCALAR FIELDS; SIMULATION; SYMMETRY; TACHYONS; UNIVERSE

### Citation Formats

```
Motavalli, H., E-mail: Motavalli@Tabrizu.ac.ir, Akbarieh, A. Rezaei, and Nasiry, M..
```*Dark energy cosmology with tachyon field in teleparallel gravity*. United States: N. p., 2016.
Web. doi:10.1134/S1063776116070207.

```
Motavalli, H., E-mail: Motavalli@Tabrizu.ac.ir, Akbarieh, A. Rezaei, & Nasiry, M..
```*Dark energy cosmology with tachyon field in teleparallel gravity*. United States. doi:10.1134/S1063776116070207.

```
Motavalli, H., E-mail: Motavalli@Tabrizu.ac.ir, Akbarieh, A. Rezaei, and Nasiry, M.. Fri .
"Dark energy cosmology with tachyon field in teleparallel gravity". United States. doi:10.1134/S1063776116070207.
```

```
@article{osti_22617232,
```

title = {Dark energy cosmology with tachyon field in teleparallel gravity},

author = {Motavalli, H., E-mail: Motavalli@Tabrizu.ac.ir and Akbarieh, A. Rezaei and Nasiry, M.},

abstractNote = {We construct a tachyon teleparallel dark energy model for a homogeneous and isotropic flat universe in which a tachyon as a non-canonical scalar field is non-minimally coupled to gravity in the framework of teleparallel gravity. The explicit form of potential and coupling functions are obtained under the assumption that the Lagrangian admits the Noether symmetry approach. The dynamical behavior of the basic cosmological observables is compared to recent observational data, which implies that the tachyon field may serve as a candidate for dark energy.},

doi = {10.1134/S1063776116070207},

journal = {Journal of Experimental and Theoretical Physics},

issn = {1063-7761},

number = 1,

volume = 123,

place = {United States},

year = {2016},

month = {7}

}

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