Published March 5, 2020 | Version v1
Software Restricted

Solver for 2PI evolution equations at NLO in large N

  • 1. Heidelberg University, Institute for Theoretical Physics, Philosophenweg 16, 69120 Heidelberg, Germany
  • 2. University of Stavanger, Faculty of Science and Technology, Kristine Bonnevies vei 22, 4036 Stavanger, Norway

Description

This code implements the evolution equations derived in Refs. [1] & [2].

It computes the iterative time evolution for N real scalar fields with quartic self-interaction coupled to two flavours of fermions by a Yukawa coupling. 

 

[1]

@article{Berges:2001fi,

    author = "Berges, Juergen",

    title = "{Controlled nonperturbative dynamics of quantum fields out-of-equilibrium}",

    eprint = "hep-ph/0105311",

    archivePrefix = "arXiv",

    reportNumber = "HD-THEP-01-26",

    doi = "10.1016/S0375-9474(01)01295-7",

    journal = "Nucl. Phys. A",

    volume = "699",

    pages = "847--886",

    year = "2002"

}

 

[2]

@article{Aarts:2002dj,

    author = "Aarts, Gert and Ahrensmeier, Daria and Baier, Rudolf and Berges, Juergen and Serreau, Julien",

    title = "{Far from equilibrium dynamics with broken symmetries from the 2PI - 1/N expansion}",

    eprint = "hep-ph/0201308",

    archivePrefix = "arXiv",

    reportNumber = "HD-THEP-02-5",

    doi = "10.1103/PhysRevD.66.045008",

    journal = "Phys. Rev. D",

    volume = "66",

    pages = "045008",

    year = "2002"

}

 

Files

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This code implements the evolution equations derived in Refs. [1] & [2]. 

If you are interested in accessing the source code, please contact alexander.rothkopf@uis.no with a brief rationale for the use of the code. 

Any derivatives of this code must be made public in a similar manner. Scientific results generated through this code must be published via open-access means and the code must be cited appropriately using Ref. [3]. 

 

[1]

 

@article{Berges:2001fi,

    author = "Berges, Juergen",

    title = "{Controlled nonperturbative dynamics of quantum fields out-of-equilibrium}",

    eprint = "hep-ph/0105311",

    archivePrefix = "arXiv",

    reportNumber = "HD-THEP-01-26",

    doi = "10.1016/S0375-9474(01)01295-7",

    journal = "Nucl. Phys. A",

    volume = "699",

    pages = "847--886",

    year = "2002"

}

 

[2]

 

@article{Aarts:2002dj,
    author = "Aarts, Gert and Ahrensmeier, Daria and Baier, Rudolf and Berges, Juergen and Serreau, Julien",
    title = "{Far from equilibrium dynamics with broken symmetries from the 2PI - 1/N expansion}",
    eprint = "hep-ph/0201308",
    archivePrefix = "arXiv",
    reportNumber = "HD-THEP-02-5",
    doi = "10.1103/PhysRevD.66.045008",
    journal = "Phys. Rev. D",
    volume = "66",
    pages = "045008",
    year = "2002"
}

 

[3] 

 

@software{shen_linda_2020_3698136,

  author = {Shen, Linda and Rothkopf, Alexander},

  title = {{Solver for 2PI evolution equations at NLO in large N}},

  year         = 2020,

  publisher    = {Zenodo},

  doi          = {10.5281/zenodo.3698136},

  url          = {https://doi.org/10.5281/zenodo.3698136}

}

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