Built on

R. L. Arnowitt, S. Deser and C. W. Misner, Dynamical Structure and Definition of Energy in General Relativity , Phys. Rev. 116
1959
Earlier work this paper cites.
A. A. Starobinsky, A New Type of Isotropic Cosmological Models Without Singularity , Phys. Lett. B. 91
1980
Earlier work this paper cites.
A. D. Linde, Chaotic Inflation , Phys. Lett. B 129
1983
Earlier work this paper cites.
A. R. Liddle, P. Parsons and J. D. Barrow, Formalizing the slow roll approximation in inflation , Phys. Rev. D 50
1994
Earlier work this paper cites.
D. H. Lyth, What would we learn by detecting a gravitational wave signal in the cosmic microwave background anisotropy? , Phys. Rev. Lett. 78
1997
Earlier work this paper cites.
J. Garriga and V. F. Mukhanov, Perturbations in k-inflation , Phys. Lett. B 458
1999
Earlier work this paper cites.
D. J. Schwarz, C. A. Terrero-Escalante and A. A. Garcia, Higher order corrections to primordial spectra from cosmological inflation , Phys. Lett. B 517
2001
Earlier work this paper cites.
A. Sen, Rolling tachyon , JHEP 0204
2002
Earlier work this paper cites.
A. Sen, Tachyon matter , JHEP 0207
2002
Earlier work this paper cites.
G. W. Gibbons, Cosmological evolution of the rolling tachyon , Phys. Lett. B 537
2002
Earlier work this paper cites.
T. Padmanabhan, Accelerated expansion of the universe driven by tachyonic matter , Phys. Rev. D 66
2002
Earlier work this paper cites.
A. V. Frolov, L. Kofman and A. A. Starobinsky, Prospects and problems of tachyon matter cosmology , Phys. Lett. B 545
2002
Earlier work this paper cites.
J.-c. Hwang and H. Noh, Cosmological perturbations in a generalized gravity including tachyonic condensation , Phys. Rev. D 66
2002
Earlier work this paper cites.
P. Brax, J. Mourad and D. A. Steer, Tachyon kinks on nonBPS D-branes , Phys. Lett. B 575
2003
Earlier work this paper cites.
L. R. W. Abramo and F. Finelli, Cosmological dynamics of the tachyon with an inverse power-law potential , Phys. Lett. B 575
Original
2003
Earlier work this paper cites.
D. A. Steer and F. Vernizzi, Tachyon inflation: Tests and comparison with single scalar field inflation , Phys. Rev. D 70
2004
Earlier work this paper cites.
N. C. Tsamis and R. P. Woodard, Improved estimates of cosmological perturbations , Phys. Rev. D 69
2004
Earlier work this paper cites.

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2017

The reconstruction of tachyon inflationary potentials

Fei, Qin, Gong, Yungui, Lin, Jiong et al.

Understand

We derive a lower bound on the field excursion for the tachyon inflation, which is determined by the amplitude of the scalar perturbation and the number of $e$-folds before the end of inflation.

Using the relation between the observables like $n_s$ and $r$ with the slow-roll parameters, we reconstruct three classes of tachyon potentials.
The model parameters are determined from the observations before the potentials are reconstructed, and the observations prefer the concave potential.
We also discuss the constraints from the reheating phase preceding the radiation domination for the three classes of models by assuming the equation of state parameter $w_{re}$ during reheating is a constant.

Built on

R. L. Arnowitt, S. Deser and C. W. Misner, Dynamical Structure and Definition of Energy in General Relativity , Phys. Rev. 116
1959
Earlier work this paper cites.
A. A. Starobinsky, A New Type of Isotropic Cosmological Models Without Singularity , Phys. Lett. B. 91
1980
Earlier work this paper cites.
A. D. Linde, Chaotic Inflation , Phys. Lett. B 129
1983
Earlier work this paper cites.
A. R. Liddle, P. Parsons and J. D. Barrow, Formalizing the slow roll approximation in inflation , Phys. Rev. D 50
1994
Earlier work this paper cites.
D. H. Lyth, What would we learn by detecting a gravitational wave signal in the cosmic microwave background anisotropy? , Phys. Rev. Lett. 78
1997
Earlier work this paper cites.
J. Garriga and V. F. Mukhanov, Perturbations in k-inflation , Phys. Lett. B 458
1999
Earlier work this paper cites.
D. J. Schwarz, C. A. Terrero-Escalante and A. A. Garcia, Higher order corrections to primordial spectra from cosmological inflation , Phys. Lett. B 517
2001
Earlier work this paper cites.
A. Sen, Rolling tachyon , JHEP 0204
2002
Earlier work this paper cites.
A. Sen, Tachyon matter , JHEP 0207
2002
Earlier work this paper cites.
G. W. Gibbons, Cosmological evolution of the rolling tachyon , Phys. Lett. B 537
2002
Earlier work this paper cites.
T. Padmanabhan, Accelerated expansion of the universe driven by tachyonic matter , Phys. Rev. D 66
2002
Earlier work this paper cites.
A. V. Frolov, L. Kofman and A. A. Starobinsky, Prospects and problems of tachyon matter cosmology , Phys. Lett. B 545
2002
Earlier work this paper cites.
J.-c. Hwang and H. Noh, Cosmological perturbations in a generalized gravity including tachyonic condensation , Phys. Rev. D 66
2002
Earlier work this paper cites.
P. Brax, J. Mourad and D. A. Steer, Tachyon kinks on nonBPS D-branes , Phys. Lett. B 575
2003
Earlier work this paper cites.
L. R. W. Abramo and F. Finelli, Cosmological dynamics of the tachyon with an inverse power-law potential , Phys. Lett. B 575
Original
2003
Earlier work this paper cites.
D. A. Steer and F. Vernizzi, Tachyon inflation: Tests and comparison with single scalar field inflation , Phys. Rev. D 70
2004
Earlier work this paper cites.
N. C. Tsamis and R. P. Woodard, Improved estimates of cosmological perturbations , Phys. Rev. D 69
2004
Earlier work this paper cites.