Imprints of short distance physics on inflationary cosmology

By R. Easther, B. Greene, W. Kinney, Gary Shiu. 2001

170 citations recorded by the source corpus.

We analyze the impact of certain modifications to short distance physics on the inflationary perturbation spectrum. For the specific case of power-law inflation, we find distinctive -- and possibly observable -- effects on the spectrum of density perturbations.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/792c0ced8c99f8c5bf49f9dc1f050b4298c8152a

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

1. L. Susskind
2. U. Danielsson
3. S. Shenker
4. A. Lawrence
5. D. Stanford
6. Matthew Kleban
7. N. Kaloper
8. Andrei Linde

In Nuclear and High Energy Physics

1. L. Susskind
2. S. Shenker
3. U. Danielsson
4. D. Stanford
5. A. Lawrence
6. Matthew Kleban
7. N. Kaloper
8. J. Maldacena

Citations in the corpus

• Inflation, holography, and the choice of vacuum in de Sitter space (2002, background): “The modulation that was found is precisely of the same form as in the numerical work of [15] which considered a specific example of slow roll.”
• A Note on inflation and transPlanckian physics (2002, background): “, [13][16] and as we have seen this can be expected on quite general grounds.”
• Initial Conditions for Inflation (2002, background): “One option, described in [4,5] is to compute T μν by expanding φ into creation and annihilation operators, and simply discarding the contributions of all modes with proper momenta higher than some cutoff scale Λ.”
• Signatures of short distance physics in the cosmic microwave background (2002, background): “The results of [11] show this is not the case.”