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In physics, mainly quantum mechanics and particle physics, a spin magnetic moment is the magnetic moment caused by the spin of elementary particles. For example, the electron is an elementary spin-1/2 fermion. Quantum electrodynamics gives the most accurate prediction of the anomalous magnetic moment of the electron.

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  • En physique, le moment magnétique de spin représente le moment magnétique associé au moment cinétique de spin (spin) d'une particule. Ce moment magnétique dû au spin est aussi appelé moment magnétique intrinsèque parce que celui-ci est indépendant du moment cinétique orbital. (fr)
  • In physics, mainly quantum mechanics and particle physics, a spin magnetic moment is the magnetic moment caused by the spin of elementary particles. For example, the electron is an elementary spin-1/2 fermion. Quantum electrodynamics gives the most accurate prediction of the anomalous magnetic moment of the electron. In general, a magnetic moment can be defined in terms of an electric current and the area enclosed by the current loop. Since angular momentum corresponds to rotational motion, the magnetic moment can be related to the orbital angular momentum of the charge carriers in the constituting current. However, in magnetic materials, the atomic and molecular dipoles have magnetic moments not just because of their quantized orbital angular momentum, but also due to the spin of elementary particles constituting them. "Spin" is a non-classical property of elementary particles, since classically the "spin angular momentum" of a material object is really just the total orbital angular momenta of the object's constituents about the rotation axis. Elementary particles are conceived as point objects with no axis around which to "spin" (see wave–particle duality). (en)
  • 在物理學中,主要是量子力學和粒子物理學,自旋磁矩是由基本粒子的自旋引起的磁矩。例如,電子是基本的自旋。 通常,可以根据电流和电流回路所包围的面积来定义磁矩。因为角动量对应于旋转运动,所以磁矩可以与构成电流中的电荷载流子的轨道角动量有关。但是,在磁性材料中,原子偶极子和分子偶极子具有磁矩,这不仅是由于其量化的轨道角动量,还因为构成它们的基本粒子的自旋。 “自旋”是基本粒子的非经典属性,因为从经典上讲,一个物质对象的“自旋角动量”实际上只是对象成分围绕旋转轴的总轨道角动量。基本粒子被认为是没有轴“旋转”的点对象(请参阅波粒对偶)。 (zh)
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  • En physique, le moment magnétique de spin représente le moment magnétique associé au moment cinétique de spin (spin) d'une particule. Ce moment magnétique dû au spin est aussi appelé moment magnétique intrinsèque parce que celui-ci est indépendant du moment cinétique orbital. (fr)
  • 在物理學中,主要是量子力學和粒子物理學,自旋磁矩是由基本粒子的自旋引起的磁矩。例如,電子是基本的自旋。 通常,可以根据电流和电流回路所包围的面积来定义磁矩。因为角动量对应于旋转运动,所以磁矩可以与构成电流中的电荷载流子的轨道角动量有关。但是,在磁性材料中,原子偶极子和分子偶极子具有磁矩,这不仅是由于其量化的轨道角动量,还因为构成它们的基本粒子的自旋。 “自旋”是基本粒子的非经典属性,因为从经典上讲,一个物质对象的“自旋角动量”实际上只是对象成分围绕旋转轴的总轨道角动量。基本粒子被认为是没有轴“旋转”的点对象(请参阅波粒对偶)。 (zh)
  • In physics, mainly quantum mechanics and particle physics, a spin magnetic moment is the magnetic moment caused by the spin of elementary particles. For example, the electron is an elementary spin-1/2 fermion. Quantum electrodynamics gives the most accurate prediction of the anomalous magnetic moment of the electron. (en)
rdfs:label
  • Moment magnétique de spin (fr)
  • Spin magnetic moment (en)
  • 自旋磁矩 (zh)
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