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相关概念视频

Local Anesthetics: Adverse Effects01:12

Local Anesthetics: Adverse Effects

388
While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
388

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Fabricating Metamaterials Using the Fiber Drawing Method
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时间元材料中的非局部影响

Carlo Rizza1, Giuseppe Castaldi2, Vincenzo Galdi2

  • 1Department of Physical and Chemical Sciences, University of L'Aquila, L'Aquila, I-67100, Italy.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
概括

研究人员探索了时间元物质中的非局部性,揭示了独特的波-物质相互作用. 这些发现可以通过操纵波包来开发新的光学计算设备.

科学领域:

  • 光子学和元材料研究
  • 波-物质相互作用 波-物质相互作用
  • 非局部现象 非局部现象

背景情况:

  • 非局部性在光子学中至关重要,使得空间超材料中的巨大电磁性等效应成为可能.
  • 具有时间调节的介电电容性的时间超材料为异国情调现象提供了新的途径.

研究的目的:

  • 研究时间元物质中非局部性的影响.
  • 开发一个非局部有效媒介理论的理论框架,在时间变化的媒体.

主要方法:

  • 使用严格的多尺度方法来推导出一个一般的形式主义.
  • 研究了两个场景:周期性时间调制和突然的时间边界变化.

主要成果:

  • 时间超材料表现出独特的非局部效应,与空间对应物有相似之处和差异.
  • 时间元材料的配置被确定为执行波包的第一阶导数.
  • 理论预测通过全波数值模拟来验证.

结论:

  • 非局部时间元材料为新型应用提供了显著的潜力.
  • 利用时间逆转对称性破坏可以导致高效,可调节的光学计算设备.
关键词:
模拟计算是一种模拟计算.有效的有效的媒介.超材料是指金属材料.非本地性的非本地性光学磁性是指光学磁性.时间逆转对称性对称性.

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