circuits / vqe-ansatz

Variational Quantum Eigensolver (VQE)

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A simple VQE ansatz for finding the ground state energy of H₂. Uses parameterized Ry and CNOT gates.

quantumcomputer.dev
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Source Code

OPENQASM 2.0;
include "qelib1.inc";
qreg q[2];
creg c[2];
ry(0.5) q[0];
ry(0.3) q[1];
cx q[0],q[1];
ry(0.2) q[0];
ry(0.4) q[1];
measure q -> c;

Cite this circuit

MIT
quantumcomputer.dev. "Variational Quantum Eigensolver (VQE)". quantumcomputer.dev/circuits/vqe-ansatz. 2026.