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The unique universe

机译:独特的宇宙

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Three decades ago, talk of other universes was not seenby most physicists to be part of science. Most researchin theoretical physics and cosmology concerned observ-able features in our universe and most papers and sem-inars referred to experimental results. However, sincethen there has been a gradual shift, during which it firstbecame acceptable to work on theories that describednot only our universe, but other possible universes, uni-verses with less or more dimensions, or universes withdifferent kinds of particles and forces. In the last fewyears, we have moved further away from theories of ourone universe, as these other worlds went from beinglogically possible to hypothetically actual. It is nowcommon to hear about the multiverse – a quantum cos-mology that takes for granted that the visible universethat we see around us is just one of a vast or infinitenumber of universes.
机译:三十年前,大多数物理学家并不认为谈论其他宇宙是科学的一部分。理论物理学和宇宙学的大多数研究都涉及我们宇宙中可观察到的特征,并且大多数论文和学期论文都提到了实验结果。但是,此后出现了逐步的转变,在此期间,人们开始接受不仅描述我们的宇宙,而且描述其他可能的宇宙,维数较小或更大的单宇宙或具有不同种类的粒子和力的宇宙的理论。在过去的几年中,随着其他世界从逻辑上的可能变为假设的现实,我们已经远离一个宇宙的理论。如今,听到关于宇宙的知识很普遍,这是一种量子宇宙学,它理所当然地认为我们在我们周围看到的可见宇宙只是众多宇宙或无限宇宙之一。

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