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Thermalization due to a finite and chaotic bath:

This is a software implementation in C/C++ that focuses on the thermalization process and the Crooks fluctuation theorem for work. The implementation specifically considers the interaction of a Brownian particle with a bath that is both finite and chaotic.

Repository content

  1. QO_poinc.cpp

    • Poincarè sections for a quartic oscillator. Hamiltonian dynamics is performed by applying fourth-order symplectic integration, this published by Ref.[1].

  2. N_chaotic_baths.cpp

    • System relaxation in contact to a finite and chaotic heat bath. The latter modeled by a quartic oscillator. Hamiltonian dynamics is performed by applying fourth-order symplectic integration, this published by Ref.[1].

  3. Forward_FT.cpp

    • Forward protocol is done in a system coupled to a finite and chaotic heat bath. The latter modeled by a quartic oscillator. Hamiltonian dynamics is performed by applying fourth-order symplectic integration, this published by Ref.[1].

  4. Reverse_FT.cpp

    • Reverse protocol is done in a system coupled to a finite and chaotic heat bath. The latter modeled by a quartic oscillator. Hamiltonian dynamics is performed by applying fourth-order symplectic integration, this published by Ref.[1].

For further infos and the physical description of the model used throughout the work, take a look in Ref.[2] (arXiv version attached: '2002.04746.pdf').

References:

[1] https://www.sciencedirect.com/science/article/abs/pii/016727899090019L?via%3Dihub

[2] https://iopscience.iop.org/article/10.1088/1751-8121/ab9a78/meta