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Sofvar
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4 votes
2 answers
231 views

Derivation in LSZ Reduction Formula

4 votes
1 answer
145 views

Ultraviolet Power Counting in the Four Photon Vertex

3 votes
0 answers
113 views

Integration measure for Polyakov's path integral

3 votes
0 answers
187 views

Normal Ordered Product in Operator Product Expansions

2 votes
1 answer
175 views

Wick's Theorem and Functional Derivative

2 votes
1 answer
113 views

Fourier Transform of a Wave Packet [closed]

2 votes
1 answer
51 views

Constructing Non-Projective Representation from Projective Ones - Derivation in Weinberg Vol I, Appendix 2B

1 vote
0 answers
92 views

Eikonal Approximation in Weinberg's Lectures on Quantum Mechanics

1 vote
0 answers
54 views

Small Angle Approximation in Lensing Equation

1 vote
0 answers
36 views

Scattering in Shallow Bound States - Suppression of Matrix Element

1 vote
1 answer
111 views

Properties of Vector Spherical Harmonics

1 vote
1 answer
470 views

Deriving solution for wave equation using retarded Green's function

1 vote
1 answer
71 views

Conic Section in Newton's Cannonball Problem

0 votes
1 answer
62 views

Conservation of Probability in Scattering Process

0 votes
0 answers
63 views

Steps in Quantizing Electromagnetic Field for the Gauge Condition $A_0=0$

0 votes
1 answer
143 views

Two Dimensional Hodge Decomposition

0 votes
1 answer
131 views

Change of Metric Under Coordinate Transformation