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@ARTICLE{Ema:426508,
      author       = {Ema, Yohei},
      title        = {{D}ynamical emergence of scalaron in {H}iggs inflation},
      journal      = {Journal of cosmology and astroparticle physics},
      volume       = {2019},
      number       = {09},
      issn         = {1475-7516},
      address      = {London},
      publisher    = {IOP},
      reportid     = {PUBDB-2019-03763, arXiv:1907.00993. DESY-19-117},
      pages        = {027 - 027},
      year         = {2019},
      abstract     = {We point out that a light scalaron dynamically emerges if
                      scalar fields have a sizable non-minimal coupling to the
                      Ricci scalar as in the Higgs inflation model. We support
                      this claim in two ways. One is based on the renormalization
                      group equation; the non-minimal coupling inevitably induces
                      a Ricci scalar quadratic term due to the renormalization
                      group running. The other is based on scattering amplitudes;
                      a scalar four-point amplitude develops a pole after summing
                      over a certain class of diagrams, which we identify as the
                      scalaron. Our result implies that the Higgs inflation is
                      actually a two-field inflationary model. Another implication
                      is that the Higgs inflation does not suffer from the
                      unitarity issue since the scalaron pushes up the cut-off
                      scale to the Planck scale.},
      cin          = {T},
      ddc          = {530},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611)},
      pid          = {G:(DE-HGF)POF3-611},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)29 / PUB:(DE-HGF)16},
      eprint       = {1907.00993},
      howpublished = {arXiv:1907.00993},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1907.00993;\%\%$},
      UT           = {WOS:000487690100003},
      doi          = {10.1088/1475-7516/2019/09/027},
      url          = {https://bib-pubdb1.desy.de/record/426508},
}