Currently, we can calculate the expectation_value of a state, a LocalOperator, and a CTMRGEnv. It would be useful to also support something like expectation_value(state, O, (mps,env)), where mps (with its corresponding env) is the boundary MPS resulting from VUMPS.
Currently, we can calculate the
expectation_valueof a state, aLocalOperator, and aCTMRGEnv. It would be useful to also support something likeexpectation_value(state, O, (mps,env)), wheremps(with its correspondingenv) is the boundary MPS resulting fromVUMPS.