Hi Everyone,
From previous discussions and the documentations, I know that there is a hidden function in MPS_OPTIM that can measure the von Neumann entropy and n=2 Renyi entropy. I am wondering if this function is working in the binary code of ALPS Prerelease 2.3.0.
When I include "'MEASURE[Entropy]' :1," in my input file, I see at the final stage of the calculation, there is a message "calculating vN entropy" on display. However, I could not find any result related to the vN entropy in the output file.
I am wondering if I did something wrong or I need to compile a newer version that is not available in binary code.
Thank you in advance!
Desmond
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