magic state distillation
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Quantum Resource Estimation: How Many Qubits Do You Actually Need?
How to estimate the physical qubit count, T-gates, and runtime needed for fault-tolerant quantum algorithms. Use Azure Quantum Resource Estimator and manual calculations for Shor's algorithm and quantum chemistry.
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- 22 min read
Fault-Tolerant Quantum Gates: Why T Gates Need Magic States
Physical vs logical gates, transversal Cliffords on the surface code, the Eastin-Knill obstruction, and the 15-to-1 magic state protocol that makes T gates fault-tolerant.