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Area Physics for electrotechnology / Relativistic physics for electrotechnology

IEV ref 113-07-33

Symbol
Δτ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaauiLdiaaes8aaaa@3611@

en
proper duration
duration indicated by a clock

Note 1 to entry: The proper duration Δ τ AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaauiLdiaaes8adaWgaa WcbaGaaeyqaiaabkeaaeqaaaaa@37C6@ is the shortest of the durations Δ t AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGaamaaceGaaiGacaabaaGcbaGaauiLdiqadshagaqbam aaBaaaleaacaqGbbGaaeOqaaqabaaaaa@377C@ in all frames S′ and for inertial frames, Δ τ AB =Δ t AB /γ .

Note 2 to entry: For events A and B separated by an infinitesimally small squared space-time interval, the proper duration Δ τ AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaauiLdiaaes8adaWgaa WcbaGaaeyqaiaabkeaaeqaaaaa@37C6@ is the shortest of the durations Δ t AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGaamaaceGaaiGacaabaaGcbaGaauiLdiqadshagaqbam aaBaaaleaacaqGbbGaaeOqaaqabaaaaa@377C@ in all frames S′ and Δ τ AB =Δ t AB /γ .

Note 3 to entry: The proper duration is a Lorentz invariant.

Note 4 to entry: The coherent SI unit of proper duration is second, s.


fr
durée propre, f
durée indiquée par une horloge

Note 1 à l’article: La durée propre Δ τ AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaauiLdiaaes8adaWgaa WcbaGaaeyqaiaabkeaaeqaaaaa@37C6@ est la plus courte des durées Δ t AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGaamaaceGaaiGacaabaaGcbaGaauiLdiqadshagaqbam aaBaaaleaacaqGbbGaaeOqaaqabaaaaa@377C@ dans tous les référentiels S′ et pour les référentiels inertiels, Δ τ AB =Δ t AB /γ .

Note 2 à l’article: Pour les événements A et B séparés par un carré d’intervalle d’espace-temps infinitésimalement petit, la durée propre Δ τ AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGacmaaceGaaiGacaabaaGcbaGaauiLdiaaes8adaWgaa WcbaGaaeyqaiaabkeaaeqaaaaa@37C6@ est la plus petite des durées Δ t AB MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm 0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaaiGaciGaamaaceGaaiGacaabaaGcbaGaauiLdiqadshagaqbam aaBaaaleaacaqGbbGaaeOqaaqabaaaaa@377C@ dans tous les référentiels S′ et Δ τ AB =Δ t AB /γ .

Note 3 à l’article: La durée propre est un invariant de Lorentz.

Note 4 à l’article: L’unité SI cohérente de durée propre est la seconde, s.


Publication date: 2022-06
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