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For questions about QEM (Quantum Error Mitigation) which is different from Quantum Error Correction in that no extra qubits are used.

3
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"what are the advantages and disadvantages in the determination of the calibration matrix each time that we do an experiment and mitigate its error?" Advantage: The noise matrix will be a more accur …
answered Aug 4 '20 by user1271772
0
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Simulating a noiseless quantum circuit classically is as simple as calculating: $$\tag{1} |\psi(t)\rangle = e^{-\frac{\textrm{i}}{\hbar }Ht} |\psi(0)\rangle, $$ where $|\psi(t)\rangle$ and $|\psi(0)\r …
answered Dec 27 '21 by user1271772