Physics
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Tim's user avatar
Tim's user avatar
Tim
  • Member for 8 years, 10 months
  • Last seen more than 4 years ago
  • Berlin
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21
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Student of Physics

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All Questions Answers
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question
25
Is there a mathematical reason for the Lagrangian to be Lorentz invariant?
Dec 1, 2014
question
19
Vector spaces for the irreducible representations of the Lorentz Group
Nov 29, 2014
question
18
Why is the "actual" gauge group of the standard model $SU(3) \times SU(2) \times U(1) /N$?
Apr 16, 2015
question
17
Why is the strong CP term $ \theta \frac{g^2}{32 \pi^2} G_{\mu \nu}^a \tilde{G}^{a, \mu \nu}$ never considered for $SU(2)$ or $U(1)$ interactions?
Apr 16, 2015
question
15
Why do we require quantum fields to vanish at infinity?
Jan 23, 2015
question
15
Do electrons oscillate into muons just like electron-neutrinos into muon-neutrinos?
Apr 15, 2015
question
11
How can we measure chirality in experiments?
Jan 24, 2015
question
9
If $v_{a \dot{b}}$ transforms like a four-vector, what does $v_{a}^{\dot{b}}$ describe?
Jan 18, 2015
question
9
Where does in GUT symmetry breaking $U(1)$ come from?
Apr 16, 2015
question
8
Why does the minus sign in the Minkowski metric mean that nothing can move backwards in time?
Apr 3, 2015
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How to descent to smaller groups "by chopping off a node of the Dynkin diagram"?

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