Built on

J. M. Cornwall, D. N. Levin and G. Tiktopoulos, “Derivation of Gauge Invariance from High-Energy Unitarity Bounds on the s Matrix,” Phys. Rev. D 10
1975
Earlier work this paper cites.
C. E. Vayonakis, “Born Helicity Amplitudes and Cross-Sections in Nonabelian Gauge Theories,” Lett. Nuovo Cim. 17
1976
Earlier work this paper cites.
V. F. Mukhanov and G. V. Chibisov, “Quantum Fluctuation And Nonsingular Universe. (In Russian),” JETP Lett. 33
1981
Earlier work this paper cites.
A. D. Linde, “A New Inflationary Universe Scenario: A Possible Solution Of The Horizon, Flatness, Homogeneity, Isotropy And Primordial Monopole Problems,” Phys. Lett. B 108
1982
Earlier work this paper cites.
A. Albrecht and P. J. Steinhardt, “Cosmology For Grand Unified Theories With Radiatively Induced Symmetry Breaking,” Phys. Rev. Lett. 48
1982
Earlier work this paper cites.
D. A. Eliezer and R. P. Woodard, “The Problem of Nonlocality in String Theory,” Nucl. Phys. B 325
1989
Earlier work this paper cites.
D. L. Bennett, H. B. Nielsen and R. P. Woodard, “The Initial value problem for maximally nonlocal actions,” Phys. Rev. D 57
1998
Earlier work this paper cites.
J. M. Maldacena, “Non-Gaussian features of primordial fluctuations in single field inflationary models,” JHEP 0305
2003
Earlier work this paper cites.
M. Alishahiha, E. Silverstein and D. Tong, “DBI in the sky,” Phys. Rev. D 70
2004
Earlier work this paper cites.
V. Mukhanov, “Physical foundations of cosmology,” Cambridge, UK: Univ. Pr. (2005)
2005
Earlier work this paper cites.
T. Biswas, A. Mazumdar and W. Siegel, “Bouncing universes in string-inspired gravity,” JCAP 0603
2006
Earlier work this paper cites.
P. Creminelli, A. Nicolis, L. Senatore, M. Tegmark and M. Zaldarriaga, “Limits on non-gaussianities from wmap data,” JCAP 0605
2006
Earlier work this paper cites.
R. P. Woodard, “Avoiding dark energy with 1/r modifications of gravity,” Lect. Notes Phys. 720
2007
Earlier work this paper cites.
S. Deser and R. P. Woodard, “Nonlocal Cosmology,” Phys. Rev. Lett. 99
Original
2007
Earlier work this paper cites.
C. Cheung, P. Creminelli, A. L. Fitzpatrick, J. Kaplan and L. Senatore, “The Effective Field Theory of Inflation,” JHEP 0803
Original
2008
Earlier work this paper cites.

Similar

S. Weinberg, “Effective Field Theory for Inflation,” Phys. Rev. D 77
Original
2008
Cited alongside, same era.
C. Cheung, A. L. Fitzpatrick, J. Kaplan and L. Senatore, “On the consistency relation of the 3-point function in single field inflation,” JCAP 0802
Original
2008
Cited alongside, same era.
N. Barnaby and N. Kamran, “Dynamics with infinitely many derivatives: The Initial value problem,” JHEP 0802
Original
2008
Cited alongside, same era.
L. Senatore, K. M. Smith and M. Zaldarriaga, “Non-Gaussianities in Single Field Inflation and their Optimal Limits from the WMAP 5-year Data,” JCAP 1001
Original
2010
Cited alongside, same era.
L. Senatore and M. Zaldarriaga, “On Loops in Inflation,” JHEP 1012

Then

A. Achucarro, J. -O. Gong, S. Hardeman, G. A. Palma and S. P. Patil, “Mass hierarchies and non-decoupling in multi-scalar field dynamics,” Phys. Rev. D 84
Original
2011
Later among the works it cites.
A. Achucarro, J. O. Gong, S. Hardeman, G. A. Palma and S. P. Patil, “Features of heavy physics in the CMB power spectrum,” JCAP 1101
Original
2011
Later among the works it cites.
S. Cremonini, Z. Lalak and K. Turzynski, “Strongly Coupled Perturbations in Two-Field Inflationary Models,” JCAP 1103
Original
2011
Later among the works it cites.
G. Shiu and J. Xu, “Effective Field Theory and Decoupling in Multi-field Inflation: An Illustrative Case Study,” Phys. Rev. D 84
Original
2011
Later among the works it cites.
A. Ashoorioon, D. Chialva and U. Danielsson, “Effects of Nonlinear Dispersion Relations on Non-Gaussianities”, JCAP, 1106

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2012

Effective field theory of weakly coupled inflationary models

Gwyn, Rhiannon, Palma, Gonzalo A., Sakellariadou, Mairi et al.

Understand

The application of Effective Field Theory (EFT) methods to inflation has taken a central role in our current understanding of the very early universe.

The EFT perspective has been particularly useful in analyzing the self-interactions determining the evolution of co-moving curvature perturbations (Goldstone boson modes) and their influence on low-energy observables.
However, the standard EFT formalism, to lowest order in spacetime differential operators, does not provide the most general parametrization of a theory that remains weakly coupled throughout the entire low-energy regime.
Here we study the EFT formulation by including spacetime differential operators implying a scale dependence of the Goldstone boson self-interactions and its dispersion relation.

Built on

J. M. Cornwall, D. N. Levin and G. Tiktopoulos, “Derivation of Gauge Invariance from High-Energy Unitarity Bounds on the s Matrix,” Phys. Rev. D 10
1975
Earlier work this paper cites.
C. E. Vayonakis, “Born Helicity Amplitudes and Cross-Sections in Nonabelian Gauge Theories,” Lett. Nuovo Cim. 17
1976
Earlier work this paper cites.
V. F. Mukhanov and G. V. Chibisov, “Quantum Fluctuation And Nonsingular Universe. (In Russian),” JETP Lett. 33
1981
Earlier work this paper cites.
A. D. Linde, “A New Inflationary Universe Scenario: A Possible Solution Of The Horizon, Flatness, Homogeneity, Isotropy And Primordial Monopole Problems,” Phys. Lett. B 108
1982
Earlier work this paper cites.
A. Albrecht and P. J. Steinhardt, “Cosmology For Grand Unified Theories With Radiatively Induced Symmetry Breaking,” Phys. Rev. Lett. 48
1982
Earlier work this paper cites.
D. A. Eliezer and R. P. Woodard, “The Problem of Nonlocality in String Theory,” Nucl. Phys. B 325
1989
Earlier work this paper cites.
D. L. Bennett, H. B. Nielsen and R. P. Woodard, “The Initial value problem for maximally nonlocal actions,” Phys. Rev. D 57
1998
Earlier work this paper cites.
J. M. Maldacena, “Non-Gaussian features of primordial fluctuations in single field inflationary models,” JHEP 0305
2003
Earlier work this paper cites.
M. Alishahiha, E. Silverstein and D. Tong, “DBI in the sky,” Phys. Rev. D 70
2004
Earlier work this paper cites.
V. Mukhanov, “Physical foundations of cosmology,” Cambridge, UK: Univ. Pr. (2005)
2005
Earlier work this paper cites.
T. Biswas, A. Mazumdar and W. Siegel, “Bouncing universes in string-inspired gravity,” JCAP 0603
2006
Earlier work this paper cites.
P. Creminelli, A. Nicolis, L. Senatore, M. Tegmark and M. Zaldarriaga, “Limits on non-gaussianities from wmap data,” JCAP 0605
2006
Earlier work this paper cites.
R. P. Woodard, “Avoiding dark energy with 1/r modifications of gravity,” Lect. Notes Phys. 720
2007
Earlier work this paper cites.
S. Deser and R. P. Woodard, “Nonlocal Cosmology,” Phys. Rev. Lett. 99
Original
2007
Earlier work this paper cites.
C. Cheung, P. Creminelli, A. L. Fitzpatrick, J. Kaplan and L. Senatore, “The Effective Field Theory of Inflation,” JHEP 0803
Original
2008
Earlier work this paper cites.