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openfermion-hamiltonian

Included with Lifetime
$97 forever

Molecular Hamiltonian construction skill using OpenFermion

General

What this skill does


# OpenFermion Hamiltonian

## Purpose

Provides expert guidance on molecular Hamiltonian construction and fermion-to-qubit mappings using OpenFermion for quantum chemistry applications.

## Capabilities

- Molecular Hamiltonian generation
- Jordan-Wigner transformation
- Bravyi-Kitaev transformation
- Parity transformation
- Second quantization handling
- Symmetry reduction
- Active space selection
- Hamiltonian term grouping

## Usage Guidelines

1. **Molecular Setup**: Define molecular geometry and basis set
2. **Hamiltonian Generation**: Compute molecular integrals and construct Hamiltonian
3. **Transformation Selection**: Choose appropriate fermion-to-qubit mapping
4. **Qubit Reduction**: Apply symmetry and active space reductions
5. **Term Analysis**: Analyze Hamiltonian structure for circuit design

## Tools/Libraries

- OpenFermion
- OpenFermion-PySCF
- OpenFermion-Psi4
- Qiskit Nature
- PennyLane

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