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@ARTICLE{Novotny:128123,
      author       = {Novotny, M A and Guerra, M and De Raedt, H. and Michielsen,
                      Kristel and Jin, Fengping},
      title        = {{A}n {E}fficient {A}lgorithm for {S}imulating the
                      {R}eal-{T}ime {Q}uantum {D}ynamics of a {S}ingle {S}pin-1/2
                      {C}oupled to {S}pecific {S}pin-1/2 {B}aths},
      journal      = {Journal of physics / Conference Series},
      volume       = {402},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2012-01018},
      pages        = {012019},
      year         = {2012},
      abstract     = {An efficient algorithm for the computation of the real-time
                      dependence of a single quantum spin-1/2 coupled to a
                      specific set of quantum spin-1/2 baths is presented. The
                      specific spin baths have couplings only with the spin
                      operators Sx between bath spins and the central spin. We
                      calculate spin expectation values, the quantum purity, the
                      von Neumann entropy, and the off-diagonal components of the
                      reduced density matrix for the central spin once the bath
                      spins have been traced out. The algorithm does not require
                      the storage of any vector larger than of size 2, even though
                      the size of the Hilbert space is 2N+1, where N is the number
                      of bath spins. Results are presented for the central spin
                      connected to different sizes and types of spin baths, and
                      for different initial states for the central spin and for
                      the bath spins. Results are also compared to those for more
                      general baths.},
      cin          = {JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {411 - Computational Science and Mathematical Methods
                      (POF2-411)},
      pid          = {G:(DE-HGF)POF2-411},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000314709800018},
      doi          = {10.1088/1742-6596/402/1/012019},
      url          = {https://juser.fz-juelich.de/record/128123},
}