Index A | B | C | D | E | F | G | H | K | L | M | N | P | Q | S | T | V A Amplitude Ancilla qubit Annealing B Barren plateau Bell state Bloch sphere Born rule C CNOT gate Coherence time CRQC CSPRNG D Decoherence Density matrix DiVincenzo criteria DORA E Entanglement Error correction (quantum) F FIPS 140-3 FIPS 203 G Gate fidelity GHZ state Grover’s algorithm H Hadamard gate HHL algorithm HNDL K KEM L Lattice (cryptographic) Logical qubit LWE M Majorana fermion ML-DSA ML-KEM N NISQ No-cloning theorem NTT P PQC Q QAOA QPE QRAM QRNG Qubit S Shor’s algorithm SLH-DSA Superposition Surface code T T gate Topological qubit Transmon V VQE