IEC 60050 - International Electrotechnical Vocabulary


IEVref:	113-07-17		ID:
Language:	fr		Status: Standard

Term:	produit quadriscalaire, m
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Definition:	scalaire réel $S$ associé à deux quadrivecteurs $\underline{\underline{x}}$ et $\underline{\underline{y}}$ par la relation $S^{2} (\underline{\underline{x}}, \underline{\underline{y}}) = \sum_{μ ν} g^{μ ν} x_{μ} y_{ν}$ , où $g^{μ ν}$ est une composante du tenseur métrique Note 1 à l’article: Le produit quadriscalaire est un scalaire de Lorentz.
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S MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaam4uaaaa@347E@ quadrivecteurs x _ _ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaWaaWqaaeaacaWG4baaaa aa@34B4@ y _ _ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaWaaWqaaeaacaWG5baaaa aa@34B5@ S 2 ( x _ _ , y _ _ )= ∑ μν g μν x μ y ν MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaam4uamaaCaaaleqaba GaaGOmaaaakiaacIcadaadbaqaaiaadIhaaaGaaiilamaameaabaGa amyEaaaacaGGPaGaeyypa0ZaaabeaeaacaWGNbWaaWbaaSqabeaaca aH8oGaaqyVdaaakiaadIhadaWgaaWcbaGaaqiVdaqabaGccaWG5bWa aSbaaSqaaiaae27aaeqaaaqaaiaaeY7acaaH9oaabeqdcqGHris5aa aa@4796@ g μν MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaam4zamaaCaaaleqaba GaaqiVdiaae27aaaaaaa@374A@ tenseur métriqueNote 1 à l’article: Le produit quadriscalaire est un scalaire de Lorentz.