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@ARTICLE{Fogh:1033676,
      author       = {Fogh, Ellen and Nayak, Mithilesh and Prokhnenko, Oleksandr
                      and Bartkowiak, Maciej and Munakata, Koji and Soh, Jian-Rui
                      and Turrini, Alexandra A. and Zayed, Mohamed E. and
                      Pomjakushina, Ekaterina and Kageyama, Hiroshi and Nojiri,
                      Hiroyuki and Kakurai, Kazuhisa and Normand, Bruce and Mila,
                      Frédéric and Rønnow, Henrik M.},
      title        = {{F}ield-induced bound-state condensation and spin-nematic
                      phase in {S}r{C}u2({BO}3)2 revealed by neutron scattering up
                      to 25.9 {T}},
      journal      = {Nature Communications},
      volume       = {15},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {FZJ-2024-06538},
      pages        = {442},
      year         = {2024},
      abstract     = {In quantum magnetic materials, ordered phases induced by an
                      applied magnetic field can be described as the Bose-Einstein
                      condensation (BEC) of magnon excitations. In the strongly
                      frustrated system SrCu2(BO3)2, no clear magnon BEC could be
                      observed, pointing to an alternative mechanism, but the high
                      fields required to probe this physics have remained a
                      barrier to detailed investigation. Here we exploit the first
                      purpose-built high-field neutron scattering facility to
                      measure the spin excitations of SrCu2(BO3)2 up to 25.9 T and
                      use cylinder matrix-product-states (MPS) calculations to
                      reproduce the experimental spectra with high accuracy.
                      Multiple unconventional features point to a condensation of
                      S = 2 bound states into a spin-nematic phase, including the
                      gradients of the one-magnon branches and the persistence of
                      a one-magnon spin gap. This gap reflects a direct analogy
                      with superconductivity, suggesting that the spin-nematic
                      phase in SrCu2(BO3)2 is best understood as a condensate of
                      bosonic Cooper pairs.},
      cin          = {JCNS-FRM-II / MLZ},
      ddc          = {500},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4) / HERO - Hidden, entangled
                      and resonating orders (810451)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4 /
                      G:(EU-Grant)810451},
      experiment   = {EXP:(DE-MLZ)PANDA-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {38200029},
      UT           = {WOS:001141040600024},
      doi          = {10.1038/s41467-023-44115-z},
      url          = {https://juser.fz-juelich.de/record/1033676},
}