Make compatible with current qiskit nature 0.4.5

qiskit-community / qiskit-cold-atom

Tools to control cold-atom-based quantum simulators and quantum computers.

Apache License 2.0

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Closed LaurinFischer closed 2 years ago

LaurinFischer commented 2 years ago

This PR updates the parsing of Fermionic and Spin operators to the syntax of the current version of qiskit nature (0.4.5)

replace deprecated .reduce() method of FermionicOp and SpinOp with .simplify()
specify dense labels when converting a FermionicOp to a list via to_list()
specify language in the docs configuration
import aer-related classes directly from qiskit-aer instead through terra.