What is physics? The individual and the universal, and seeing past the noise
作者: A. R. P.Rau
刊名: Physics Essays, 2017, Vol.30 (1), pp.60-69
来源数据库: Physics Essays
DOI: 10.4006/0836-1398-30.1.60
关键词: Quantum InterpretationIndividual Identity in PhysicsDecoherence and NoiseConcepts in PhysicsFields and Particles.
原始语种摘要: Along with weaving together observations, experiments, and theoretical constructs into a coherent mesh of understanding of the world around us, physics over its past five centuries has continuously refined the base concepts on which the whole framework is built. In quantum physics, first in nonrelativistic mechanics and later in quantum field theories, even familiar concepts of position, momentum, wave, or particle, are derived constructs from the classical limit in which we live but not intrinsic to the underlying physics. Most crucially, the very idea of the individual, whether an object or an event, distinguished only in a mere label of identity from others identical to it in all the physics, exists only as an approximation, not an element of underlying reality. It is not an element of...
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关键词翻译
关键词翻译
  • physics 物理学
  • universal 万能的
  • noise 噪声
  • individual 个体
  • quantum 量子
  • weaving 编织
  • intrinsic 内倌
  • constructs 建筑图纸生成系统
  • reality 真实
  • only 唯一的