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04比特间可调耦合.md

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04比特间可调耦合

couple-tunable

耦合强度

$$ g\approx \frac{g_{1c}g_{2c}}{2}(\frac{1}{\Delta _{1c}}+\frac{1}{\Delta _{2c}}-\frac{1}{\Sigma _{1c}}-\frac{1}{\Sigma {2c}})+g{12} \tag{11.1} $$

其中 $\Delta _{ic}=\omega_i-\omega_c, \quad \Sigma {ic}=\omega_i+\omega_c$ , $g{ic}$ 的计算方式如式 $(10.1)$ 一致

$$ g_{ic}\approx C_{ic}\frac{\sqrt{\omega_i\omega_c}}{2\sqrt{(C_i+C_{ic})(C_c+C_{ic})}} $$

$$ g_{12}=\frac{\sqrt{\omega 1\omega 2}}{2}(\frac{C{12}}{\sqrt{C_1C_2}}+\frac{C{1c}C_{2c}}{\sqrt{C_1C_2}C_c^2}) $$