Learn about The Reality of Qubits in this comprehensive AI & Artificial Intelligence tutorial. Why it's so hard to build a quantum computer.
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On current NISQ devices, every gate adds a small amount of noise. If a circuit is too deep, the final result will be indistinguishable from random noise.
To keep superconducting qubits alive, they must be cooled to 10-20 milli-Kelvin, colder than interstellar space. This requires massive dilution refrigerators.
Pascual Vila
Frontend Instructor // Code Syllabus
Loss of quantum properties.
// Decoherence contextA measure of gate accuracy.
// Fidelity contextA machine used to cool quantum chips.
// Dilution Fridge context