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  BetheSF V2: 3-point propagator and additional external potentials

Lapolla, A., & Godec, A. (2021). BetheSF V2: 3-point propagator and additional external potentials. Computer Physics Communications, 269: 108131. doi:10.1016/j.cpc.2021.108131.

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Lapolla, A.1, Author              
Godec, A.1, Author              
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1Research Group of Mathematical Biophysics, MPI for Biophysical Chemistry, Max Planck Society, ou_2396692              

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 Abstract: In a recent paper (Comput. Phys. Commun. 258 (2021) 107569) we obtained exactly the tagged-particle propagator in a single-file with N particels diffusing in a generic confining potential via the coordinate Bethe-Ansatz. A naïve implementation of this solution requires a non-polynomial algorithm. To speed-up the computation we implemented a more efficient algorithm that exploits the particle exchange-symmetry. In this new version we expand the code-base to allow for the computation of the three point Green's function. The latter is required e.g. in the analysis of the breaking of time-translational invariance. In addition we include the support for two canonical potentials of general interest: one presenting an energy barrier and one featuring an asymmetric potential landscape.

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Language(s): eng - English
 Dates: 2021-08-052021-12
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.cpc.2021.108131
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Title: Computer Physics Communications
Source Genre: Journal
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Pages: - Volume / Issue: 269 Sequence Number: 108131 Start / End Page: - Identifier: -