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Area Electromagnetism

IEV ref 121-14-10

Symbol
rg

en
gyro radius
Larmor radius
for a particle with mass m, velocity v and electric charge q, moving in a magnetic field with magnetic flux density B, radius of curvature of its path of movement

r g = m| v×B | q B 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOCamaaBa aaleaacaqGNbaabeaakiabg2da9maalaaabaGaamyBaiaaykW7daab daqaaiaahAhacqGHxdaTcaWHcbaacaGLhWUaayjcSdaabaGaamyCai aadkeadaahaaWcbeqaaiaaikdaaaaaaaaa@452A@

Note 1 to entry: The velocity of this movement is given by the gyro-frequency.

Note 2 to entry: The coherent SI unit of gyro radius is metre, m.


fr
rayon de Larmor, m
pour une particule de masse m, de vitesse v, et de charge électrique q, se déplaçant dans un champ magnétique avec une induction magnétique B, rayon de courbure de sa trajectoire

r g = m| v×B | q B 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOCamaaBa aaleaacaqGNbaabeaakiabg2da9maalaaabaGaamyBaiaaykW7daab daqaaiaahAhacqGHxdaTcaWHcbaacaGLhWUaayjcSdaabaGaamyCai aadkeadaahaaWcbeqaaiaaikdaaaaaaaaa@452A@

Note 1 à l’article: La vitesse de la particule sur sa trajectoire est donnée par la gyrofréquence.

Note 2 à l’article: L’unité SI cohérente du rayon de Larmor est le mètre, m.


Publication date: 2021-03
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