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Марина Marina S
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5 votes
2 answers
287 views

A common standard model Lagrangian mistake?

4 votes
1 answer
168 views

Quantized Dirac fields' plane wave component— better, deeper understanding

3 votes
0 answers
82 views

Time-reversal transformation acts on the Weyl lagrangian with nonabelian gauge field

3 votes
0 answers
73 views

The ambiguity of complex conjugation $K$ for antilinear operator

2 votes
2 answers
339 views

Complex conjugation in time-reversal $T$ symmetry v.s. in charge conjugation $C$ symmetry

2 votes
1 answer
69 views

Complex valued Grassmann variables $(\theta \eta)^* $, $(\theta \eta)^T$ and $(\theta \eta)^\dagger$

2 votes
0 answers
53 views

Coulomb gauge choice: Does $A_0=0$ imply that we also need to choose $\nabla \cdot \vec{A} =0$ from the EOM of $A_0$?

2 votes
1 answer
37 views

Why 't Hooft says: field configuration in Euclidean space that have the vacuum (or a gauge transformation thereof) at the boundary

1 vote
1 answer
88 views

Is the Dirac operator $i \not D$ or $\gamma^0 i \not D$ and nonabelian gauge field $A_\mu = A_\mu^\alpha T^\alpha$ hermitian?

1 vote
0 answers
51 views

Anticommutation relation for the Weyl spinors in Minkowski space+time

1 vote
1 answer
43 views

Zee's book on QFT on the spin-1/2 state has $T^2=-1$, why not $T^2=+1$

1 vote
0 answers
78 views

Lie algebra generators as rank-16 matrix spinor representations of $𝑆𝑝𝑖𝑛(10)$

1 vote
2 answers
147 views

Parity transformation: mistake or puzzle in Sakurai's "Modern Quantum Mechanics"?

1 vote
4 answers
479 views

What is light cone? Explain to mathematicians who understand the Lorentz group but not light cone

1 vote
1 answer
105 views

Dirac equation plane wave solutions for antiparticles (Peskin QFT book overlooked?)

0 votes
0 answers
51 views

$U(\Lambda)$ that implements Lorentz transformations on the states of Hilbert space is unitary

0 votes
1 answer
63 views

Tachyons as vector representations on the surfaces transitivity of Lorentz group?

0 votes
0 answers
29 views

Self or complex Weyl representation in Polchinski

0 votes
2 answers
155 views

Is $\bar{\psi} \psi$ its own complex (*)? transpose ($T$)? hermitian conjugate ($\dagger$)?

0 votes
0 answers
46 views

Time-reversal transformation acts on the Dirac lagrangian with nonabelian gauge field

0 votes
1 answer
72 views

Witten on the hermitian of the Dirac operator