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Nov
12
awarded  Popular Question
Sep
21
comment Why are the higher angular momentum states of a hydrogen atom closer to the nucleus?
Thank you for the very detailed and insightful answer! When you say, "they are still the only electrons to spend considerable time in the low-l part of the spectrum," did you mean they are the only electrons to spend considerable time a low $r$?
Sep
21
accepted Why are the higher angular momentum states of a hydrogen atom closer to the nucleus?
Sep
20
asked Why are the higher angular momentum states of a hydrogen atom closer to the nucleus?
Sep
5
asked What is a Dirac semimetal?
Aug
5
accepted Symmetries of a Uniform Magnetic Field
Aug
5
comment Symmetries of a Uniform Magnetic Field
Thanks for the detailed reply. Is there any physical significance to the constants $\mathbf{b}$ and $\phi$?
May
8
awarded  Popular Question
Mar
15
awarded  Yearling
Mar
2
awarded  Popular Question
Dec
19
accepted Helicity and Pseudospin in Graphene
Dec
8
awarded  Nice Question
Dec
6
comment Helicity and Pseudospin in Graphene
Thanks for the reply! If we can tweak the basis to make both $K$ and $K'$ fit the definition of the helicity operator, does that mean the concept of helicity/chirality is not so useful when discussing scattering between the two valleys?
Dec
4
awarded  Popular Question
Sep
24
awarded  Autobiographer
Jul
2
awarded  Curious
Jun
5
comment Can the Berry Connection be derived from a metric?
Ok cool thanks. So if that's not true, my question still holds: Does a metric exist such that the Berry Connection is a Levi-Civita connection?
Jun
5
asked Can the Berry Connection be derived from a metric?
Jun
5
accepted What is curved in Berry Curvature?
Jun
5
comment Does electron-electron scattering contribute to resistivity?
So... Have we reached consensus in this debate? Or still in disagreement?