What is the mulitiplicity or statistical weight g of an energy level ?

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I want to know

What is the mulitiplicity or statistical weight g of an energy level ?

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physics love said:
What is the mulitiplicity or statistical weight g of an energy level ?
When you have more than one level with the same energy, it is the number of levels with that energy.
 

Thread 'Stability of persistent currents in superconductors regardless of temperature'

From the BCS theory of superconductivity is well known that the superfluid density smoothly decreases with increasing temperature. Annihilated superfluid carriers become normal and lose their momenta on lattice atoms. So if we induce a persistent supercurrent in a ring below Tc and after that slowly increase the temperature, we must observe a decrease in the actual supercurrent, because the density of electron pairs and total supercurrent momentum decrease. However, this supercurrent...
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