
Dear author, I am writing to seek your help regarding an issue I encountered while studying tkwant. Specifically, when trying to calculate the Green functions, I got an error message "AttributeError: module 'tkwant.manybody' has no attribute 'GreenFunction'". I was wondering if you could kindly explain to me what may be the cause of this error. Thank you very much for your time and attention. I greatly appreciate any guidance you could provide.

As answered previously, the GreenFunction functionality has not yet been released as part of a stable Tkwant version, so its not possible yet to install it via conda. To make above code working you will need to clone the development version (master branch) of Tkwant and follow the installation from source steps from the documentation. Regards, Thomas
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1833356804@qq.com
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thomas.kloss@neel.cnrs.fr