ビッグバン宇宙論における時空の構造実在論的解釈

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タイトル別名
  • An Interpretation on Structural Realism to Spacetime Used in Big-Bang Cosmology
  • ビッグバン宇宙論における時空の構造実在論的解釈 : 空間は膨張しているのか?
  • ビッグバン ウチュウロン ニ オケル ジクウ ノ コウゾウ ジツザイロンテキ カイシャク : クウカン ワ ボウチョウ シテ イル ノ カ?
  • 空間は膨張しているのか？
  • Is Space Really Expanding?

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抄録

<p> This paper discusses a philosophical answer about the question “in relativistic cosmology, is space really expanding?” In general cosmology which is called a big-bang theory, cosmological space is said to have been expanding like a balloon gradually pumped up since a big-bang, which is shown by a co-moving coordinate of which the scale gets bigger as a proper time of observers in the earth passes. In this paper, I would like to interpret this phenomenon from a structural spacetime realism's viewpoint in which spacetime is real as different whole structures for different coordinates you arbitrarily choose depending only on a metric/gravitational field. Through my remark, I get a new conclusion of what spacetime really means,thus the role of specetime in contemporary physics. </p>

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