Table 1 Four possible cases of fusion mechanism with corresponding probabilities. No Pauli spin blockade (PSB) implies a successful fusion of W states, whereas the presence of PSB implies either a recyclable case or a failure. Utilising charge sensor, absence of PSB implies a successful fusion.
From: Preparing Multipartite Entangled Spin Qubits via Pauli Spin Blockade
Input | Probability | PSB | Result |
|---|---|---|---|
↓, ↓ | \(\frac{(n-1)(m-1)}{nm}\) | Yes | Recycle |
↓, ↑ | \(\frac{(n-1)}{nm}\) | No | Success |
↑, ↓ | \(\frac{(m-1)}{nm}\) | No | Success |
↑, ↑ | \(\frac{1}{nm}\) | Yes | Failure |
