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24
Definition of Casimir operator and its properties
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22
$1 + 1 + 1 +\cdots = -\frac{1}{2}$
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20
If the quarks in a neutron are (up,down,down), why isn't it negatively charged?
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18
About free quarks and confinement
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11
Representations of the Conformal Group in terms of the Poincare Group Reps
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10
Operator norm of creation and annihilation operators
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10
String Theory: $1 + 1 + 1 + \dots = -\frac{1}{2}$
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8
Why do we study the scalar field in QFT when there is no such thing in nature?
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8
Defining a CFT using beta-functions
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7
How the Lorentz transformation affects the metric tensor?
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6
Is there an easy way to get water at roughly 70°C in our kitchen?
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6
QED Commutation Relations Implications
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6
Conformal Quantum Mechanics
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6
Scale invariance plus unitarity implies conformal invariance?
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6
First and Second Moment of Mass
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6
Is continuous evolution from one eigenstate of operator $O$ to another $O$-eigenstate possible?
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5
Is there a simple way to compute some physical constant from Feynman diagram statistics?
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5
Why do some particles have a greater mass than others?
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5
Square bracket notation for anti-symmetric part of a tensor
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