Different between L^2 and L in Hydrogen atom

chunhui219

I'm here got a small question,

what is the different between L² and L for the hydrogen atom.

Do L² means total angular momentum and L means angular momentum?

Given that L²=l(l+1)ℏ² and L=(√l(l+1))ℏ

THX

jtbell

L is the (magnitude of the) angular momentum. L² is the square of L which is more convenient to work with in some mathematical manipulations.

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chunhui219	Different between L^2 and L in Hydrogen atom Tweet I'm here got a small question, what is the different between L² and L for the hydrogen atom. Do L² means total angular momentum and L means angular momentum? Given that L²=l(l+1)ℏ² and L=(√l(l+1))ℏ THX

jtbell Mentor	L is the (magnitude of the) angular momentum. L² is the square of L which is more convenient to work with in some mathematical manipulations.