论文标题
Wigner功能的负性和钟形状态的热效应
Negativity of the Wigner function and thermal effects of Bell-Cat states
论文作者
论文摘要
我们应用了热场动力学形式主义，以分析钟形状态的非古典性质如何受热平衡系统中温度值的逐渐变化的影响。为此，我们计算了这些状态的热静电函数，这些状态的负数与非经典性质有关，我们评估了这些非经典特征如何随温度变化。我们的结果表明，这些属性几乎没有$ 2 \ mathrm {k} $的温度。
We applied the Thermofield Dynamics formalism to analyze how the non-classical properties of the Bell-Cat states are influenced by a gradual change of temperature values, in a thermal equilibrium system. To this purpose we calculate the thermal Wigner functions for these states, whose negative volume is associated with non-classical properties, and we evaluate how these non-classical features vary with temperature. Our results indicate that these properties are almost absent for temperatures of around $2\mathrm{K}$.
