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@ARTICLE{Broy:293356,
      author       = {Broy, Benedict and Ciupke, David and Pedro, Francisco G.
                      and Westphal, Alexander},
      title        = {{S}tarobinsky-type inflation from $\alpha$′-corrections},
      journal      = {Journal of cosmology and astroparticle physics},
      volume       = {2016},
      number       = {01},
      issn         = {1475-7516},
      address      = {London},
      publisher    = {IOP},
      reportid     = {PUBDB-2016-00461, DESY-15-166. arXiv: 1509.00024},
      pages        = {001 -},
      year         = {2016},
      abstract     = {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.},
      cin          = {T},
      ddc          = {530},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611) /
                      HZ-NG-603 - Strings and Cosmology - an Interface for Testing
                      fundamental Theories $(2015_IFV-HZ-NG-603)$ / SPLE - String
                      Phenomenology in the LHC Era (320421)},
      pid          = {G:(DE-HGF)POF3-611 / $G:(DE-HGF)2015_IFV-HZ-NG-603$ /
                      G:(EU-Grant)320421},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)29 / PUB:(DE-HGF)16},
      eprint       = {1509.00024},
      howpublished = {arXiv:1509.00024},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1509.00024;\%\%$},
      UT           = {WOS:000369734300001},
      doi          = {10.1088/1475-7516/2016/01/001},
      url          = {https://bib-pubdb1.desy.de/record/293356},
}