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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