Variational Quantum Eigensolver for user-defined Hamiltonians. Pick a molecule or enter a custom Hamiltonian. Multiple ansatz options with real-time convergence tracking.
Hamiltonian
2
Qubits
5
Pauli Terms
--
Exact Ground State
--
Energy Gap
Ansatz + Optimizer
0
Iteration
--
Current Energy
--
Error (mHa)
--
Parameters
Convergence Plot
Purple: VQE energy. Green dashed: exact ground state. Orange: chemical accuracy (1.6 mHa).
Energy Landscape (2D slice)
Heatmap of energy over first two parameters. White dot: current position. Green path: optimizer trajectory.