V2EX planck

Planck

定义 Definition

Planck(通常大写作 Planck)指德国物理学家马克斯普朗克(Max Planck),也常用来指与他相关的物理概念,最常见的是普朗克常数(Planck constant, h),以及由基本常数构成的普朗克单位(如普朗克长度、普朗克时间等)。在物理语境中,它与量子理论密切相关。

发音 Pronunciation (IPA)

/plk/

例句 Examples

The Planck constant is essential in quantum physics.
普朗克常数在量子物理中至关重要。

At the Planck scale, our usual ideas about space and time may no longer apply.
在普朗克尺度上,我们对空间与时间的常识性理解可能不再适用。

词源 Etymology

Planck 来自人名,源于德国物理学家 Max Planck(18581947)。他在研究黑体辐射时提出能量量子化思想,推动了量子理论的诞生,因此许多重要常数与尺度以他的姓氏命名(如 Planck constant)。

相关词 Related Words

文学与著作中的用例 Literary Works

  • A Brief History of Time(《时间简史》) Stephen Hawking(提及普朗克时间、普朗克尺度等概念)
  • The Feynman Lectures on Physics(《费曼物理学讲义》) Richard P. Feynman 等(讨论普朗克常数与量子现象)
  • The Road to Reality(《通往实在之路》) Roger Penrose(涉及普朗克尺度与基础物理)
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