Comp-phys-alps-users

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July 2021

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how to calculate <a|n|b>
by 魏兴波 23 Jul '21

23 Jul '21

Dear all, I have a question about the MPS of ALPS. If I have calculated the two ground states |a> and |b> of two systems. How can I calculate the <a|\hat{n}|b>, where \hat{n} is the occupation number operator. Best, tutu

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