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Qiskit Nature 0.8.0
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    • Solving Problems with v0.5
    • qiskit_nature.mappers
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  • Tutorials
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  • How-Tos
    • Find ground state energy using AdaptVQE
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  • API Reference
    • QiskitNatureError
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    • Second Quantization (qiskit_nature.second_q)
      • Algorithms (qiskit_nature.second_q.algorithms)
        • ExcitedStatesSolver
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        • Initial Points (qiskit_nature.second_q.algorithms.initial_points)
          • InitialPoint
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      • Circuit (qiskit_nature.second_q.circuit)
        • Library (qiskit_nature.second_q.circuit.library)
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          • Excitation generator utilities (qiskit_nature.second_q.circuit.library.ansatzes.utils)
          • generate_fermionic_excitations()
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      • Drivers (qiskit_nature.second_q.drivers)
      • Driver Base Class
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      • Formats (qiskit_nature.second_q.formats)
        • FCIDump (qiskit_nature.second_q.formats.fcidump)
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        • Watson
          • WatsonHamiltonian
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        • fcidump_to_problem
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      • Hamiltonians (qiskit_nature.second_q.hamiltonians)
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        • Lattices (qiskit_nature.second_q.hamiltonians.lattices)
          • BoundaryCondition
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        • Tensor Ordering Utilities (qiskit_nature.second_q.operators.tensor_ordering)
          • to_chemist_ordering
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        • Symmetric 2-body electronic integrals (qiskit_nature.second_q.operators.symmetric_two_body)
          • SymmetricTwoBodyIntegrals
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        • Commutator Utilities (qiskit_nature.second_q.operators.commutators)
          • commutator
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      • Problems (qiskit_nature.second_q.problems)
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      • Transformers (qiskit_nature.second_q.transformers)
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    • Testing utilities (qiskit_nature.testing)
      • random_antisymmetric_matrix
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      • random_two_body_tensor_real
    • Utilities (qiskit_nature.utils)
      • apply_matrix_to_slices
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      • double_factorized
      • modified_cholesky
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Watson¶

The Watson Hamiltonian (qiskit_nature.second_q.formats.watson)¶

WatsonHamiltonian

A dataclass for the force and kinetic coefficients describing a Watson Hamiltonian.
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  • Watson
    • The Watson Hamiltonian (qiskit_nature.second_q.formats.watson)