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Glossary

Quantum Algorithms

Quantum algorithms are step-by-step computational procedures designed to run on quantum computers, exploiting quantum mechanical effects like superposition, entanglement, and interference to solve certain problems more efficiently than any known classical algorithm.

Why it matters. Quantum algorithms are the reason quantum computers are worth building. Without algorithms that provide a genuine advantage, quantum hardware has no purpose. The most famous examples include Shor's algorithm (exponential speedup for integer factoring), Grover's algorithm (quadratic speedup for unstructured search), and quantum simulation algorithms (for modeling molecules, materials, and physical systems). More recently, variational algorithms (like VQE and QAOA) have been designed specifically for near-term noisy hardware. The discovery of new quantum algorithms is one of the most important open challenges in the field, and it is a bootstrapping process: as hardware improves, more people gain access to test ideas, leading to more algorithmic discoveries.

How it connects. The Qblox control stack enables researchers to implement and test quantum algorithms on real hardware. The Qblox Scheduler supports both gate-level and pulse-level programming, giving algorithm developers the flexibility to work at whatever abstraction level their research requires. Learn more about Qblox Scheduler.

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