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单词 cosmological constant
释义

Definition of cosmological constant in English:

cosmological constant

noun
Physics
  • An arbitrary constant in the field equations of general relativity.

    〔物理〕宇宙常数

    Example sentencesExamples
    • Quintessence is dynamic, unlike the cosmological constant, and its average energy density and pressure slowly decay with time.
    • We are making fast progress on understanding the implications of the existence of a cosmological constant for quantum gravity.
    • Einstein introduced the cosmological constant to his equations of general relativity because he believed the universe was static.
    • On the plus side, the vanishing vacuum energy that is implied by supersymmetry ensures that the cosmological constant vanishes.
    • Why is the cosmological constant, which characterizes the energy density of the vacuum, so small?

Definition of cosmological constant in US English:

cosmological constant

noun
Physics
  • An arbitrary constant in the field equations of general relativity.

    〔物理〕宇宙常数

    Example sentencesExamples
    • We are making fast progress on understanding the implications of the existence of a cosmological constant for quantum gravity.
    • On the plus side, the vanishing vacuum energy that is implied by supersymmetry ensures that the cosmological constant vanishes.
    • Quintessence is dynamic, unlike the cosmological constant, and its average energy density and pressure slowly decay with time.
    • Einstein introduced the cosmological constant to his equations of general relativity because he believed the universe was static.
    • Why is the cosmological constant, which characterizes the energy density of the vacuum, so small?
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更新时间:2024/12/27 3:10:54