Computationally Efficient Quantum Expectation with Extended Bell Measurements
Evaluating an expectation value of an arbitrary observable $A\in{\mathbb C}^{2^n\times 2^n}$ through naïve Pauli measurements requires a large number of terms to be evaluated. We approach this issue using a method based on Bell measurement, which we refer to as the extended Bell measurement method....
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften
2022-04-01
|
| Series: | Quantum |
| Online Access: | https://quantum-journal.org/papers/q-2022-04-13-688/pdf/ |