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@ARTICLE{Batini:602201,
      author       = {Batini, Laura and Chatrchyan, Aleksandr and Berges,
                      Jürgen},
      title        = {{R}eal-time dynamics of false vacuum decay},
      journal      = {Physical review / D},
      volume       = {109},
      number       = {2},
      issn         = {2470-0010},
      address      = {Ridge, NY},
      publisher    = {American Physical Society},
      reportid     = {PUBDB-2024-00527, arXiv:2310.04206. DESY-23-158. NORDITA
                      2023-082},
      pages        = {023502},
      year         = {2024},
      note         = {Phys. Rev. D 109 (2024) 2, 023502. 18 pages, 12 figures.
                      v2: journal version},
      abstract     = {We investigate false vacuum decay of a relativistic scalar
                      field initialized in the metastable minimum of an asymmetric
                      double-well potential. The transition to the true ground
                      state is a well-defined initial-value problem in real time,
                      which can be formulated in nonequilibrium quantum field
                      theory on a closed time path. We employ the nonperturbative
                      framework of the two-particle irreducible (2PI) quantum
                      effective action at next-to-leading order in a large-N
                      expansion. We also compare to classical-statistical field
                      theory simulations on a lattice in the high-temperature
                      regime. By this, we demonstrate that the real-time decay
                      rates are comparable to those obtained from the conventional
                      Euclidean (bounce) approach. In general, we find that the
                      decay rates are time dependent. For a more comprehensive
                      description of the dynamics, we extract a time-dependent
                      effective potential, which becomes convex during the
                      nonequilibrium transition process. By solving the quantum
                      evolution equations for the one- and two-point correlation
                      functions for vacuum initial conditions, we demonstrate that
                      quantum corrections can lead to transitions that are not
                      captured by classical-statistical approximations.},
      keywords     = {false vacuum: decay (INSPIRE) / higher-order: 1 (INSPIRE) /
                      field theory: scalar (INSPIRE) / two-point function
                      (INSPIRE) / ground state (INSPIRE) / expansion 1/N (INSPIRE)
                      / effective action (INSPIRE) / asymmetry (INSPIRE) /
                      nonperturbative (INSPIRE) / two-particle (INSPIRE) /
                      boundary condition (INSPIRE)},
      cin          = {T},
      ddc          = {530},
      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)390900948 - EXC 2181:
                      STRUKTUREN: Emergenz in Natur, Mathematik und komplexen
                      Daten (390900948)},
      pid          = {G:(DE-HGF)POF4-611 / G:(GEPRIS)390833306 /
                      G:(GEPRIS)390900948},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {2310.04206},
      howpublished = {arXiv:2310.04206},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2310.04206;\%\%$},
      UT           = {WOS:001174871900002},
      doi          = {10.1103/PhysRevD.109.023502},
      url          = {https://bib-pubdb1.desy.de/record/602201},
}