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In general relativity, the Raychaudhuri equation, or Landau–Raychaudhuri equation, is a fundamental result describing the motion of nearby bits of matter. The equation is important as a fundamental lemma for the Penrose–Hawking singularity theorems and for the study of exact solutions in general relativity, but has independent interest, since it offers a simple and general validation of our intuitive expectation that gravitation should be a universal attractive force between any two bits of mass-energy in general relativity, as it is in Newton's theory of gravitation.

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  • Die Raychaudhuri-Gleichung (oder Landau-Raychaudhuri-Gleichung) ist ein grundlegendes Ergebnis der allgemeinen Relativitätstheorie und beschreibt die Bewegung benachbarter Teilchen. Die Gleichung ist ein grundlegendes Lemma für das Singularitäten-Theorem und für die Analyse . Sie bestätigt zudem auf einfache Weise unsere intuitive Vorstellung, dass die lokale Wirkung der Gravitation in der allgemeinen Relativitätstheorie dem newtonschen Gravitationsgesetz entspricht: eine allgemeine Anziehungskraft zwischen Paaren von ‘Teilchen’ (nun als Masse und Energie verstanden). (de)
  • In general relativity, the Raychaudhuri equation, or Landau–Raychaudhuri equation, is a fundamental result describing the motion of nearby bits of matter. The equation is important as a fundamental lemma for the Penrose–Hawking singularity theorems and for the study of exact solutions in general relativity, but has independent interest, since it offers a simple and general validation of our intuitive expectation that gravitation should be a universal attractive force between any two bits of mass-energy in general relativity, as it is in Newton's theory of gravitation. The equation was discovered independently by the Indian physicist Amal Kumar Raychaudhuri and the Soviet physicist Lev Landau. (en)
  • 一般相対性理論において、レイチャウデューリ方程式 (Raychaudhuri equation) もしくはランダウ・レイチャウデューリ方程式 (Landau–Raychaudhuri equation) は物質近傍の運動を記述する、基礎的方程式である。 この方程式はペンローズ・ホーキングの特異点定理の基礎的な補題として、およびの研究において重要であるが、重力がニュートンの重力法則のとおり万有引力であり、どんな質量・エネルギーの間にも働く引力であるという直感を単純かつ一般に示すことができるという点で独立した価値がある。 この方程式はインド人物理学者のとソビエトの物理学者レフ・ランダウが独立に発見した。 (ja)
  • Na relatividade geral, a equação de Raychaudhuri, ou equação de Landau-Raychaudhuri, é um resultado fundamental que descreve o movimento de porções de matéria próximas. A equação oferece uma validação simples e geral de nossa expectativa intuitiva de que a gravitação deveria ser uma força atrativa universal entre quaisquer duas porções de massa-energia na relatividade geral, como é na teoria da gravitação de Newton. A equação foi descoberta independentemente pelo físico indiano e pelo físico soviético Lev Landau. (pt)
  • 在广义相对论中,雷乔杜里方程(英語:Raychaudhuri equation),或朗道–雷乔杜里方程(英語:Landau–Raychaudhuri equation)是描述邻近物质运动的基本方程。 它不仅是彭罗斯-霍金奇点定理和研究的基本引理,还具有独特之处,即它指出引力应该是广义相对论中任意质量-能量之间的普遍存在的吸引力,正如在牛顿引力理论中那样。 这一方程由印度物理学家和苏联物理学家列夫·朗道各自独立发现。 (zh)
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  • Die Raychaudhuri-Gleichung (oder Landau-Raychaudhuri-Gleichung) ist ein grundlegendes Ergebnis der allgemeinen Relativitätstheorie und beschreibt die Bewegung benachbarter Teilchen. Die Gleichung ist ein grundlegendes Lemma für das Singularitäten-Theorem und für die Analyse . Sie bestätigt zudem auf einfache Weise unsere intuitive Vorstellung, dass die lokale Wirkung der Gravitation in der allgemeinen Relativitätstheorie dem newtonschen Gravitationsgesetz entspricht: eine allgemeine Anziehungskraft zwischen Paaren von ‘Teilchen’ (nun als Masse und Energie verstanden). (de)
  • 一般相対性理論において、レイチャウデューリ方程式 (Raychaudhuri equation) もしくはランダウ・レイチャウデューリ方程式 (Landau–Raychaudhuri equation) は物質近傍の運動を記述する、基礎的方程式である。 この方程式はペンローズ・ホーキングの特異点定理の基礎的な補題として、およびの研究において重要であるが、重力がニュートンの重力法則のとおり万有引力であり、どんな質量・エネルギーの間にも働く引力であるという直感を単純かつ一般に示すことができるという点で独立した価値がある。 この方程式はインド人物理学者のとソビエトの物理学者レフ・ランダウが独立に発見した。 (ja)
  • Na relatividade geral, a equação de Raychaudhuri, ou equação de Landau-Raychaudhuri, é um resultado fundamental que descreve o movimento de porções de matéria próximas. A equação oferece uma validação simples e geral de nossa expectativa intuitiva de que a gravitação deveria ser uma força atrativa universal entre quaisquer duas porções de massa-energia na relatividade geral, como é na teoria da gravitação de Newton. A equação foi descoberta independentemente pelo físico indiano e pelo físico soviético Lev Landau. (pt)
  • 在广义相对论中,雷乔杜里方程(英語:Raychaudhuri equation),或朗道–雷乔杜里方程(英語:Landau–Raychaudhuri equation)是描述邻近物质运动的基本方程。 它不仅是彭罗斯-霍金奇点定理和研究的基本引理,还具有独特之处,即它指出引力应该是广义相对论中任意质量-能量之间的普遍存在的吸引力,正如在牛顿引力理论中那样。 这一方程由印度物理学家和苏联物理学家列夫·朗道各自独立发现。 (zh)
  • In general relativity, the Raychaudhuri equation, or Landau–Raychaudhuri equation, is a fundamental result describing the motion of nearby bits of matter. The equation is important as a fundamental lemma for the Penrose–Hawking singularity theorems and for the study of exact solutions in general relativity, but has independent interest, since it offers a simple and general validation of our intuitive expectation that gravitation should be a universal attractive force between any two bits of mass-energy in general relativity, as it is in Newton's theory of gravitation. (en)
rdfs:label
  • Raychaudhuri-Gleichung (de)
  • レイチャウデューリ方程式 (ja)
  • Raychaudhuri equation (en)
  • Equação de Raychaudhuri (pt)
  • 雷乔杜里方程 (zh)
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