Quantum Advantage

Quantum Supremacy

The demonstration that a quantum computer can solve a problem that no classical computer can solve in a feasible time.

Quantum Approximate Optimisation Algorithm

A hybrid algorithm designed to solve combinatorial optimisation problems on near-term quantum hardware.

Quantum Neural Network

Neural network architectures designed to run on quantum hardware, potentially offering computational advantages.

Topological Qubit

A qubit design that encodes information in the topological properties of matter, offering inherent error protection.

Superconducting Qubit

A qubit implementation using superconducting circuits that exhibit quantum behaviour at extremely low temperatures.

Trapped Ion Qubit

A qubit implementation using individual ions confined by electromagnetic fields and manipulated by laser beams.

Cirq

Google's open-source framework for writing, manipulating, and running quantum circuits on quantum hardware and simulators.

Noisy Intermediate-Scale Quantum — the current era of quantum computing with limited, error-prone qubits.

A hybrid quantum-classical algorithm for finding the ground state energy of molecular systems.

A quantum mechanical property where a qubit exists in multiple states simultaneously until measured.

Quantum computing systems that can continue to operate correctly even in the presence of errors.

A quantum phenomenon where particles pass through energy barriers that would be impossible to overcome classically.

A quantum computing approach that finds the lowest energy state of a system, useful for optimisation problems.

The phenomenon where quantum probability amplitudes combine, allowing quantum algorithms to amplify correct answers and cancel wrong ones.

A basic quantum circuit operation that manipulates one or more qubits, analogous to logic gates in classical computing.