Spin-destruction collision
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In atomic physics, a spin-destruction (or spin-disorientation) collision is a physical impact where the spin angular momentum of an atom is irretrievably scrambled.
This type of collision can be a significant spin relaxation mechanism for polarized alkali metal vapor. In particular, the relaxation rate of alkali metal atoms in SERF atomic magnetometers is dominated by spin-destruction collisions.
| σsd,self | σsd,He | σsd,Ne | σsd,N2 | ||||
|---|---|---|---|---|---|---|---|
| K | 1 × 10−18 cm2[2] | 8 × 10−25 cm2[3] | |||||
| Rb | 9 × 10−18 cm2[3] | 9 × 10−24 cm2[3] | 5.2 × 10−23 cm2[4] | 1 × 10−22 cm2[5] | |||
| Cs | 2 × 10−16 cm2[6] | 3 × 10−23 cm2[7] | 6 × 10−22 cm2[7] |
References
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- ↑ 3.0 3.1 3.2 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
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