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| 001 | 293356 | ||
| 005 | 20250717104556.0 | ||
| 024 | 7 | _ | |a 10.1088/1475-7516/2016/01/001 |2 doi |
| 024 | 7 | _ | |a arXiv:1509.00024 |2 arXiv |
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| 024 | 7 | _ | |a altmetric:4960714 |2 altmetric |
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| 088 | 1 | _ | |a DESY-15-166; arXiv: 1509.00024 |
| 088 | _ | _ | |a DESY-15-166 |2 DESY |
| 088 | _ | _ | |a arXiv: 1509.00024 |2 arXiv |
| 100 | 1 | _ | |a Broy, Benedict |0 P:(DE-H253)PIP1018435 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Starobinsky-type inflation from $\alpha$′-corrections |
| 260 | _ | _ | |a London |c 2016 |b IOP |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Report |0 PUB:(DE-HGF)29 |2 PUB:(DE-HGF) |m report |
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| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Working in the Large Volume Scenario (LVS) of IIB Calabi-Yau flux compactifications, we construct inflationary models from recently computed higher derivative $(\alpha')^3$-corrections. Inflation is driven by a Kaehler modulus whose potential arises from the aforementioned corrections, while we use the inclusion of string loop effects just to ensure the existence of a graceful exit when necessary. The effective inflaton potential takes a Starobinsky-type form $V=V_0(1-e^{-\nu\phi})^2$, where we obtain one set-up with $\nu=-1/\sqrt{3}$ and one with $\nu=2/\sqrt{3}$ corresponding to inflation occurring for increasing or decreasing $\phi$ respectively. The inflationary observables are thus in perfect agreement with PLANCK, while the two scenarios remain observationally distinguishable via slightly varying predictions for the tensor-to-scalar ratio $r$. Both set-ups yield $r\simeq (2\ldots 7)\,\times 10^{-3}$. They hence realise inflation with moderately large fields $\left(\Delta\phi\sim 6\thinspace M_{Pl}\right)$ without saturating the Lyth bound. Control over higher corrections relies in part on tuning underlying microscopic parameters, and in part on intrinsic suppressions. The intrinsic part of control arises as a leftover from an approximate effective shift symmetry at parametrically large volume. |
| 536 | _ | _ | |0 G:(DE-HGF)POF3-611 |c POF3-611 |f POF III |x 0 |a 611 - Fundamental Particles and Forces (POF3-611) |
| 536 | _ | _ | |0 G:(DE-HGF)2015_IFV-HZ-NG-603 |x 1 |c 2015_IFV-HZ-NG-603 |a HZ-NG-603 - Strings and Cosmology - an Interface for Testing fundamental Theories (2015_IFV-HZ-NG-603) |
| 536 | _ | _ | |a SPLE - String Phenomenology in the LHC Era (320421) |0 G:(EU-Grant)320421 |c 320421 |f ERC-2012-ADG_20120216 |x 2 |
| 588 | _ | _ | |a Dataset connected to CrossRef |
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| 700 | 1 | _ | |a Ciupke, David |0 P:(DE-H253)PIP1017434 |b 1 |
| 700 | 1 | _ | |a Pedro, Francisco G. |b 2 |
| 700 | 1 | _ | |a Westphal, Alexander |0 P:(DE-H253)PIP1013212 |b 3 |
| 773 | _ | _ | |a 10.1088/1475-7516/2016/01/001 |g Vol. 2016, no. 01, p. 001 - 001 |0 PERI:(DE-600)2104147-7 |n 01 |p 001 - |t Journal of cosmology and astroparticle physics |v 2016 |y 2016 |x 1475-7516 |
| 787 | 0 | _ | |a Broy, Benedict et.al. |d 2015 |i IsParent |0 PUBDB-2015-03906 |r IFT-UAM/CSIC-15-093, DESY-15-166 |t Starobinsky-Type Inflation from $\alpha'$-Corrections |
| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/293356/files/pdf-2.pdf |y OpenAccess |
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