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かわ 湯川
Noun
1. Yukawa potentialPhysics
Wikipedia definition
2. Yukawa potentialIn particle physics, a Yukawa potential (also called a screened Coulomb potential) is a potential of the form, where g is a magnitude scaling constant, m is the mass of the affected particle, r is the radial distance to the particle, and k is another scaling constant. The potential is monotone increasing, implying that the force is always attractive. In interactions between a meson field and a fermion field, the constant g is equal to the coupling constant between those fields.
Read “Yukawa potential” on English Wikipedia
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