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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Role of coupling of discrete breathers in split-ring-resonator-based metamaterials
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Role of coupling of discrete breathers in split-ring-resonator-based metamaterials

机译：离散呼吸器耦合在基于开口环谐振器的超材料中的作用

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Through detailed quantum calculations, the presence of classical discrete breathers and, subsequently, a two-phonon bound state (TPBS) or quantum breather (QB) state have already been shown in nonlinear photonic materials such as ferroelectrics. The latter was done in a periodic boundary condition in terms of the variations of TPBS parameters against impurity that is related to nonlinearity. Metamaterials are also nonlinear optical materials for applications as a split-ring-resonator (SRR) in antenna arrays. By using a KleinGordon approach, first multi-solitons and classical breathers are shown. For QBs, by using a periodic boundary condition, the variation of the TPBS parameters with coupling within the SRR elements is observed. Finally, in a non-periodic boundary condition approach, the temporal evolution of the number of quanta is shown eventually in order to derive the critical time of redistribution of quanta that is proportional to the QB's lifetime in femtoseconds, which also shows variation with coupling in the SRR system.
机译：通过详细的量子计算，已经在非线性光子材料（例如铁电材料）中显示了经典离散呼吸器以及随后的两声子束缚态（TPBS）或量子呼吸器（QB）态的存在。后者是根据TPBS参数相对于与非线性相关的杂质的变化在周期性边界条件下完成的。超材料也是非线性光学材料，可用作天线阵列中的开环谐振器（SRR）。通过使用KleinGordon方法，显示了第一个多孤子和经典通气器。对于QB，通过使用周期性边界条件，可以观察到TPBS参数随SRR元素内的耦合而变化。最后，在非周期性边界条件方法中，最终显示了量子数量的时间演化，以便得出与QB的寿命（以飞秒为单位）成比例的量子重新分布的临界时间，这也表明了耦合的变化。 SRR系统。

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