Anharmonic coupling coefficients #147
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YUEJINCHENG
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Dear Professor tadano,
Sorry to take up your precious time! I am writing to enquire about the calculation of the anharmonic coupling coefficient in the ALAMODE code. According to the calculations you made earlier in "Quartic Anharmonicity of Rattlers and its Effect on Lattice Thermal Conductivity of Clathrates from First Principles", the anharmonic coupling coefficients with and without the temperature renormalization of phonon frequencies were compared, as shown below. In my current work, I need to calculate the anharmonic coupling strength between phonons, as you have previously calculated. I want to know whether this calculation can be directly implemented and extracted in ALAMODE code through commands, if not, could you tell me how to perform similar calculations?
Thank you for your kind cooperation!
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