Table 1 Interactions produced by different choosing of the phases \(\tilde{\varphi }_{1}\) and \(\tilde{\varphi }_{1}\) in Eq. (21)
From: Superconducting circuit architecture for digital-analog quantum computing
Operator | \(\tilde{\varphi }_{1}\) | \(\tilde{\varphi }_{2}\) |
|---|---|---|
\(\sigma _{y}^{1} \sigma _{y}^{2}\) | 2π | 2π |
\(-\sigma _{y}^{1} \sigma _{y}^{2}\) | π | π |
\(\sigma _{x}^{1} \sigma _{x}^{2}\) | 2π | π |
\(-\sigma _{x}^{1} \sigma _{x}^{2}\) | π | 2π |
\(\sigma _{y}^{1} \sigma _{x}^{2}\) | 1/2π | 3/2π |
\(-\sigma _{y}^{1} \sigma _{x}^{2}\) | 3/2π | 1/2π |
\(\sigma _{x}^{1} \sigma _{y}^{2}\) | 3/2π | 3/2π |
\(-\sigma _{x}^{1} \sigma _{y}^{2}\) | 1/2π | 1/2π |