Built on

A. H. Guth, Phys. Rev. D 23
1982
Earlier work this paper cites.
A. A. Starobinsky, JETP Lett. 55
1992
Earlier work this paper cites.
E. Komatsu and D. N. Spergel, Phys. Rev. D 63
2001
Earlier work this paper cites.
E. D. Stewart, Phys. Rev. D 65
2004
Earlier work this paper cites.
M. Joy, E. D. Stewart, J. -O. Gong and H. -C. Lee, JCAP 0504
2006
Earlier work this paper cites.
C. Cheung, P. Creminelli, A. L. Fitzpatrick, J. Kaplan and L. Senatore, JHEP 0803
Original
2008
Earlier work this paper cites.
X. Chen, R. Easther and E. A. Lim, JCAP 0706
Original
2008
Earlier work this paper cites.
J. O. Gong, JCAP 0507
Original
2011
Earlier work this paper cites.

Similar

C. Burrage, R. H. Ribeiro and D. Seery, JCAP 1107
Original
2011
Cited alongside, same era.
A. Achucarro, J. O. Gong, S. Hardeman, G. A. Palma and S. P. Patil, Phys. Rev. D 84
Original
2012
Cited alongside, same era.
J. M. Maldacena, JHEP 0305
Original
2012
Cited alongside, same era.
S. L. Bridle, A. M. Lewis, J. Weller and G. Efstathiou, Mon. Not. Roy. Astron. Soc. 342
Original
2013
Cited alongside, same era.
A. Shafieloo and T. Souradeep, Phys. Rev. D 70
Original
2013
Cited alongside, same era.

Then

J. O. Gong, K. Schalm and G. Shiu, Phys. Rev. D 89
Original
2014
Later among the works it cites.
J. A. Adams, B. Cresswell and R. Easther, Phys. Rev. D 64
Original
2014
Later among the works it cites.
P. A. R. Ade et al
Original
2014
Later among the works it cites.
For previous studies, see e.g. A. Achucarro, V. Atal, P. Ortiz and J. Torrado, Phys. Rev. D 89
Original
2015
Closest in time.
D. K. Hazra, L. Sriramkumar and J. Martin, JCAP 1305
Original
2015
Closest in time.

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2015

Direct search for features in the primordial bispectrum

Appleby, Stephen, Gong, Jinn-Ouk, Hazra, Dhiraj Kumar et al.

Understand

We study features in the bispectrum of the primordial curvature perturbation correlated with the reconstructed primordial power spectrum from the observed cosmic microwave background temperature data.

We first show how the bispectrum can be completely specified in terms of the power spectrum and its first two derivatives, valid for any configuration of interest.
Then using a model-independent reconstruction of the primordial power spectrum from the Planck angular power spectrum of temperature anisotropies, we compute the bispectrum in different triangular configurations.
We find that in the squeezed limit at k ~ 0.06/Mpc and k ~ 0.014/Mpc there are marginal 2sigma deviations from the standard featureless bispectrum, which meanwhile is consistent with the reconstructed bispectrum in the equilateral configuration.

Built on

A. H. Guth, Phys. Rev. D 23
1982
Earlier work this paper cites.
A. A. Starobinsky, JETP Lett. 55
1992
Earlier work this paper cites.
E. Komatsu and D. N. Spergel, Phys. Rev. D 63
2001
Earlier work this paper cites.
E. D. Stewart, Phys. Rev. D 65
2004
Earlier work this paper cites.
M. Joy, E. D. Stewart, J. -O. Gong and H. -C. Lee, JCAP 0504
2006
Earlier work this paper cites.
C. Cheung, P. Creminelli, A. L. Fitzpatrick, J. Kaplan and L. Senatore, JHEP 0803
Original
2008
Earlier work this paper cites.
X. Chen, R. Easther and E. A. Lim, JCAP 0706
Original
2008
Earlier work this paper cites.
J. O. Gong, JCAP 0507
Original
2011
Earlier work this paper cites.

Similar

C. Burrage, R. H. Ribeiro and D. Seery, JCAP 1107
Original
2011
Cited alongside, same era.
A. Achucarro, J. O. Gong, S. Hardeman, G. A. Palma and S. P. Patil, Phys. Rev. D 84
Original
2012
Cited alongside, same era.
J. M. Maldacena, JHEP 0305
Original
2012
Cited alongside, same era.
S. L. Bridle, A. M. Lewis, J. Weller and G. Efstathiou, Mon. Not. Roy. Astron. Soc. 342
Original
2013
Cited alongside, same era.
A. Shafieloo and T. Souradeep, Phys. Rev. D 70
Original
2013
Cited alongside, same era.

Then

J. O. Gong, K. Schalm and G. Shiu, Phys. Rev. D 89
Original
2014
Later among the works it cites.
J. A. Adams, B. Cresswell and R. Easther, Phys. Rev. D 64
Original
2014
Later among the works it cites.
P. A. R. Ade et al
Original
2014
Later among the works it cites.
For previous studies, see e.g. A. Achucarro, V. Atal, P. Ortiz and J. Torrado, Phys. Rev. D 89
Original
2015
Closest in time.
D. K. Hazra, L. Sriramkumar and J. Martin, JCAP 1305
Original
2015
Closest in time.

Beyond the bibliography

alphaXiv searches the wider corpus for related work and actual follow-ups.

Open on alphaXiv

alphaXiv is searching for related work…

A. Achucarro, J. O. Gong, G. A. Palma and S. P. Patil, Phys. Rev. D 87

Original

2013

Cited alongside, same era.

P. Adshead, W. Hu, C. Dvorkin and H. V. Peiris, Phys. Rev. D 84

Original

2013

Cited alongside, same era.

D. K. Hazra, A. Shafieloo and T. Souradeep, JCAP 1411

Original

2014

Cited alongside, same era.

See e.g. D. Baumann and L. McAllister, arXiv:1404.2601 [hep-th]

Original

Cited in the paper.

In a recent article [ 27 ] a one-parameter formula for the correlation of the bispectrum and the power spectrum has been derived for the case of both a non-trivial sound speed and potential features upon certain assumptions

Cited in the paper.

See [ 13 ] for complementary results, where next-to-leading order GSR corrections are shown to improve the bispectrum estimate for sharper departures from slow-roll

Cited in the paper.

G. A. Palma, JCAP 1504

Original

2015

Closest in time.

S. Mooij, G. A. Palma, G. Panotopoulos and A. Soto, JCAP 1510

Original

2015

Closest in time.

Original

2016

Closest in time.