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@ARTICLE{Friedrich:617196,
      author       = {Friedrich, Bjoern and Hebecker, Arthur and Westphal,
                      Alexander},
      title        = {{E}nd-of-the-{W}orld {B}ranes and {I}nflationary
                      {P}redictions for {R}ocky and {S}wampy {L}andscapes},
      reportid     = {PUBDB-2024-06653, DESY-24-175. arXiv:2411.11944},
      year         = {2024},
      note         = {51 pages, 5 figures},
      abstract     = {Making cosmological predictions in a multiverse is a
                      fundamental theoretical challenge. Assuming that (quasi-)de
                      Sitter vacua are quantum mechanically described by a
                      finite-dimensional Hilbert space, we develop a detailed
                      framework for making explicit anthropic predictions. A key
                      challenge which we attempt to overcome arises because,
                      almost unavoidably, cosmologies that asymptote to Minkowski
                      space exist. We then apply our framework to predicting the
                      scale of inflation. We find that, even if eternal inflation
                      is allowed, our predictions depend on creation rates of
                      universes from nothing. These, in turn, are highly sensitive
                      to the existence of end-of-the-world branes. The rates for
                      the creation of universes from nothing are the dominant
                      ingredient for `Swampy Landscapes', which may have no
                      metastable de Sitter vacua but only slow-roll solutions. In
                      `Rocky Landscapes', where long-lived de Sitter vacua are
                      abundant, tunneling rates between such vacua represent a
                      further key factor for deriving predictions.},
      cin          = {T},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) / DFG
                      project G:(GEPRIS)390833306 - EXC 2121: Quantum Universe
                      (390833306) / DFG project G:(GEPRIS)471314740 - Holographie
                      und das Swampland: Konsistenzbedingungen an fundamentale
                      Physik aus der Quantengravitation (471314740)},
      pid          = {G:(DE-HGF)POF4-611 / G:(GEPRIS)390833306 /
                      G:(GEPRIS)471314740},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2411.11944},
      howpublished = {arXiv:2411.11944},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2411.11944;\%\%$},
      doi          = {10.3204/PUBDB-2024-06653},
      url          = {https://bib-pubdb1.desy.de/record/617196},
}