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词典释义:
cosmological constant
时间: 2024-06-12 17:25:12
英 [ˌkɒzmə'lɒdʒɪkl ˈkɒnst(ə)nt]
美 [ˌkɒzmə'lɒdʒɪkl ˈkɑnstənt]

n. 宇宙常数

双语例句
  • In addition, the scientists plan to look at the possible effects of a cosmological constant, which they did not investigate here.

    另外,两位科学家计划下一步研究它可能对宇宙常数造成的效应,这项工作没有在这篇论文中展开。

  • In 1998 astronomers discovered that the universe's expansion is accelerating at a rate consistent with a cosmological constant 10-120 times the value predicted by quantum theory.

    天文学家于1998年发现到宇宙正在加速膨胀,但其加速度所对应到的宇宙常数,却是量子理论预测值的10-120倍。

  • String theory, which unites gravity with quantum mechanics, offered the hope of explaining the attenuated cosmological constant.

    统合重力及量子力学的弦论,似乎能为微小的宇宙常数提供一个合理解释。

  • Therefore, the irreducible warp of the brane acts like a cosmological constant, which speeds up cosmic expansion.

    因此,这膜上无法消除的时空弯曲就表现的如同宇宙常数,导致了宇宙的加速膨胀。

  • In these contexts, the fields work because they are the simplest generalization of Einstein's cosmological constant.

    在这样的情况下,由于纯量场是爱因斯坦宇宙常数最简化的归纳,因此它会产生作用。

  • Einstein abandoned the cosmological constant with relief, declaring that its invention had been "my greatest blunder.

    爱因斯坦释然地抛弃了宇宙常数,声称那是”我最大的错误“。

  • Einstein called the something the cosmological constant and added it to his theory with some distaste, because the work had been so mathematically beautiful without it.

    爱因斯坦将其称为宇宙常数,并略带厌恶地将它加入他的理论,因为如果没有宇宙常数,它的理论在数学上优美极了。

  • " As University of Chicago astrophysicist Michael Turner once put it: "The cosmological constant is an idea that's come and gone ... and come ... and gone.

    芝加哥大学的天体物理学家迈克尔·特纳曾指出:“宇宙常数就像个幽灵,来了又走了,又来了,又走了。”

  • The idea of a cosmological constant didn't go away entirely.

    而宇宙常数并没有完全被遗忘。

  • Both the cosmological constant and quintessence fall into the general category of dark energy.

    不管是宇宙常数还是第五元素,都属于暗能量的?畴。

  • The two dimensional theory of induced gravity with cosmological constant is quantized in the superspace approach.

    本文用超空间方法对其有宇宙学常数的二维诱生引力进行量子化。

  • However, the small cosmological constant and cosmic coincidence problem cannot be resolved within the known laws of physics, which is the famous cosmological constant problem in physics and astronomy.

    然而现有物理学理论还无法给出合理的解释,因此宇宙学常数问题成为物理学和天文学上最重大的疑难之一。

  • Possibilities include the cosmological constant, equivalent to the energy of empty space, a modification in general relativity on the largest scales, or a more general physical field.

    这里有许多种可能性,比如宇宙常量,真空区的能量等价物,广义相对论关于最大尺度空间的修正,或者针对更加宽泛的自然领域。

  • The cluster work, in combination with other studies, also provides the strongest evidence to date that dark energy is the cosmological constant, or that 'nothing weighs something'.

    这些针对星系群所作的观测,与其他研究结合起来,为如下结论提供了目前最强有力的证据:暗能量就是宇宙常量,或者说,“用虚无衡量现实”。

  • A good example of this was Einstein, who called the cosmological constant, which he introduced when he was trying to make a static model of the universe, the biggest mistake of his life.

    爱因斯坦即是一个好的榜样,他在企图建立一个静态的宇宙模型时引入了宇宙常数,他称此为一生中最大的错误。

  • There are a number of other observations that are suggestive of the need for a cosmological constant.

    还有许多别的观测证据暗示需要宇宙学常数存在。

  • The cosmological constant as a measure of the energy desity of the vacuum is too small at the particle physics level, but it is comparable to the present matter density.

    当代天文学的一系列观测事实都支持应该存在一个非零的正的宇宙学常数。

  • The fact that this point is an attractor on the diagram is another way of understanding the cosmological constant problem.

    事实上,这一点是吸引上图是另外一个问题的方式理解宇宙常数。

  • Firstly, taking the cosmological constant as a thermodynamical variable, we presented the first law of thermodynamics for the (3+1)- and higher-dimensional black strings.

    主要结果包括:给出了(3+1)维以及更高维黑弦的将宇宙学常数视为热力学变量的热力学第一定律;

百科

宇宙学常数(cosmological constant)或宇宙常数由阿尔伯特·爱因斯坦首先提出,现前常标为希腊文“Λ”,与度规张量相乘后成为宇宙常数项而添加在爱因斯坦方程中,使方程能有静态宇宙的解。若不加上此项,则广义相对论所得原版本的爱因斯坦方程会得到动态宇宙的结果。 这是出于爱因斯坦对静态宇宙的哲学信念。在哈勃提出膨胀宇宙的天文观测结果哈勃红移后,爱因斯坦放弃宇宙学常数,认为是他“一生中最大的错误”。 但是1998年天文物理与宇宙学对宇宙加速膨胀的研究则让宇宙学常数死而复生,认为虽然其值很小,但可能不为零。宇宙常数项的贡献被认为与暗能量有关。

释义
n.

Physics an arbitrary constant in the field equations of general relativity

【物理】  宇宙常数。

  • What's the matter, Saul? You afraid someone's going to steal it? Like you stole Einstein's cosmological constant?

    你怎么了啊,索尔?怕人偷还是怕人抢啊?就像你偷了爱因斯坦的宇宙常数一样一样对吧?

    《The Big Bang Theory Season 5》《生活大爆炸 第五季》

  • The leading idea for dark energy is that it is a cosmological constant.

    有关暗能量的主导观点认为它是一个宇宙常量。

    《TED-Ed》《TED教育》

  • Because of this property of the cosmological constant, the future universe will be more and more dominated by dark energy, becoming colder and colder and expanding faster and faster.

    因此,由于宇宙常量所具有的性质,未来的宇宙中更多充斥的将是暗能量,宇宙将会变得越来越冷其膨胀速度也会越来越快。

    《TED-Ed》《TED教育》

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