5 What is quantum tomography useful for? 2021-02-12T09:51:29.497

4 What is the relationship between Choi and Chi matrix in Qiskit? 2020-05-02T15:01:23.973

4 How can I fit an unknown quantum channel? 2021-01-18T16:59:45.550

3 How to perform Quantum Process Tomography for three qubit gates? 2020-04-20T16:27:50.297

1 Is it possible to partial trace the $\chi$-matrix of $4$ qubits $q_0,q_1,q_2,q_3$ to obtain a description of what happens to $q_1$? 2020-07-29T10:04:16.990

1 Why the chi-matrix fidelity of the process is the fidelity of the chi-matrix noise map 2020-08-23T17:18:24.733

1 How to measure a general two-qubits gate? Does it help to Bob and Alice? 2020-11-14T14:03:36.087