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David Bar Moshe
  • Member for 11 years, 6 months
  • Last seen more than 1 year ago
63 votes
Accepted

Classical and quantum anomalies

52 votes

Gauge symmetry is not a symmetry?

48 votes
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In quantum mechanics, given certain energy spectrum can one generate the corresponding potential?

33 votes
Accepted

Why is there no theta-angle (topological term) for the weak interactions?

27 votes

Intuitively, why are bundles so important in Physics?

24 votes
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Stability of rotation of a rectangular prism

23 votes
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Rank of the Poincare group

21 votes
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Equivalence of canonical quantization and path integral quantization

21 votes

Topological Charge. What is it Physically?

21 votes
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Why Lie algebras if what we care about in physics are groups?

19 votes
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Calculating correlation functions of exponentials of fields

19 votes

Examples of number theory showing up in physics

19 votes

Separability axiom really necessary?

18 votes
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Large and small gauge transformations?

18 votes
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Validity of naively computing the de Broglie wavelength of a macroscopic object

18 votes
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Why do we assume local conformal transformations are symmetries in 2D CFT?

17 votes
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What is the fundamental reason of the fermion doubling?

17 votes
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Poincare group vs Galilean group

17 votes
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'Quantum' vs 'Classical' effects in Quantum Field Theory

16 votes

Is there a Lagrangian formulation of statistical mechanics?

16 votes
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When can a global symmetry be gauged?

16 votes
Accepted

Why particle hole symmetry and chiral symmetry are called symmetries?

16 votes
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Galilean, SE(3), Poincare groups - Central Extension

16 votes
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Why are there no particles in conformal theories?

15 votes
Accepted

Spontaneous breaking of Lorentz invariance in gauge theories

15 votes

Trick for deriving the stress tensor in any theory

15 votes
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When does $\hbar \rightarrow 0$ provide a valid transition from quantum to classical mechanics? When and why does it fail?

15 votes
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Why do some anomalies (only) lead to inconsistent quantum field theories

15 votes
Accepted

Darwin term and Zitterbewegung

14 votes

What does a frame of reference mean in terms of manifolds?

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