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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Advancing numerics for the Casimir effect to experimentally relevant aspect ratios
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Advancing numerics for the Casimir effect to experimentally relevant aspect ratios

机译:对Casimir效应的推进数字对实验相关的纵横比

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摘要

Within the scattering theoretical approach, the Casimir force is obtained numerically by an evaluation of the round trip of an electromagnetic wave between the objects involved. Recently, Hartmann et al (2017 Phys. Rev. Lett. 119 043901) have shown that a symmetrization of the scattering operator provides significant advantages for the numerical evaluation of the Casimir force in the experimentally relevant sphere-plane geometry. Here, we discuss in more detail how the symmetrization modifies the scattering matrix in the multipole basis and how computational time is reduced. As an application, we discuss how the Casimir force in the sphere-plane geometry deviates from the proximity force approximation as a function of the geometric parameters.
机译:在散射理论方法中,通过对所涉及的物体之间的电磁波的往返进行评估来数量地获得卡西米尔力。 最近,Hartmann等人(2017年的物理。119 043901)表明散射操作员的对称化为实验相关的球面几何形状中的卡西米尔力的数值评估提供了显着的优势。 这里,我们更详细地讨论对称化如何在多极基础上修改散射矩阵以及计算时间如何降低。 作为一个应用,我们讨论了线/平面几何中的Casimir力如何偏离接近力近似作为几何参数的函数。

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