kraus operators
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Noise Simulation in PyQuil
Learn to simulate realistic quantum noise in PyQuil using Kraus operators, depolarizing channels, and T1/T2 decoherence models. Compare ideal and noisy Bell state results on the QVM.
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- 35 min read
Quantum Channels and Kraus Operators: The Language of Quantum Noise
The formal framework for describing any quantum operation: CPTP maps, Kraus operators, the Choi matrix, and how common noise channels (depolarising, amplitude damping, phase damping) are expressed mathematically.