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1d
answered Entanglement in single particle state
Apr
12
answered why do the electroweak vacuum have to be charge and color neutral?
Mar
27
answered Free particle propagator - Evaluating Integral
Mar
26
answered There are two definitions of S operator (or S matrix) in quantum field theory. Are they equivalent?
Mar
11
answered How many physical degrees of freedom does the $\mathrm{SU(N)}$ Yang-Mills theory have?
Feb
27
answered Box normalisation and Particle in a box - Quantum Mechanics
Feb
2
answered What does a $SU(2)$ doublet really mean?
Jan
31
answered Proof of minimum distance between object and image of a convex lens image being 4*focal length
Jan
28
answered Dimensional aspects of the imaginary unit $i$ in physics
Jan
20
answered Mandelstam variable equality derivation for $s$-channel process
Jan
20
answered Ice bath is always 3C, why?
Jan
19
answered Multiverse explnation of fine tuning of cosmic constants
Jan
19
answered Alternative Critical Dimensions in String Theory
Jan
18
answered Naive question about the S-matrix
Jan
17
answered Does black hole formation contradict the Pauli exclusion principle?
Jan
14
answered Roadmap to the Renormalization Group Approach
Dec
24
answered Area moment of inertia of regular $n$-gons over polygon center $O$
Dec
23
answered What is a supermultiplet?
Dec
22
answered QED and Newton's 3rd law
Nov
30
answered How do you derive the Lagrangian for the Standard Model?