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@ARTICLE{Wu:866512,
      author       = {Wu, Yitong and Ji, Liangliang and Geng, Xuesong and Yu, Qin
                      and Wang, Nengwen and Feng, Bo and Guo, Zhao and Wang,
                      Weiqing and Qin, Chengyu and Yan, Xue and Zhang, Lingang and
                      Thomas, Johannes and Hützen, Anna and Pukhov, Alexander and
                      Büscher, Markus and Shen, Baifei and Li, Ruxin},
      title        = {{P}olarized electron acceleration in beam-driven plasma
                      wakefield based on density down-ramp injection},
      journal      = {Physical review / E},
      volume       = {100},
      number       = {4},
      issn         = {2470-0045},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2019-05602},
      pages        = {043202},
      year         = {2019},
      abstract     = {We investigate the precession of electron spins during
                      beam-driven plasma-wakefield acceleration based on density
                      down-ramp injection by means of full three-dimensional (3D)
                      particle-in-cell (PIC) simulations. A relativistic electron
                      beam generated via, e.g., laser wakefield acceleration,
                      serves as the driving source. It traverses the prepolarized
                      gas target and accelerates polarized electrons via the
                      excited wakefield. We derive the criteria for the driving
                      beam parameters and the limitation on the injected beam flux
                      to preserve a high degree of polarization for the
                      accelerated electrons, which are confirmed by our 3D PIC
                      simulations and single-particle modeling. The electron-beam
                      driver is free of the prepulse issue associated with a laser
                      driver, thus eliminating possible depolarization of the
                      prepolarized gas due to ionization by the prepulse. These
                      results provide guidance for future experiments towards
                      generating a source of polarized electrons based on
                      wakefield acceleration.},
      cin          = {PGI-6},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31770946},
      UT           = {WOS:000489828800008},
      doi          = {10.1103/PhysRevE.100.043202},
      url          = {https://juser.fz-juelich.de/record/866512},
}