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Physics
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Alex

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 4 years, 5 months
  • 20 profile views
  • Last seen 10 hours ago

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Top Posts (15) All Questions Answers | Votes Newest

4 Intuition for Hamilton-Jacobi equation derived from least action Aug 3 '18
4 Deriving special relativity free particle Lagrangian using infinitesimal boost? Jan 25
2 If decoupling means that photons no longer scatter how does neutral gas absorb CMB photons giving rise to the 21 cm signal? Aug 9 '18
2 What determines the timescale for fluctuations in the electromagnetic field from a light source? Oct 3 '18
2 Stuck on Weinberg's quick derivation of Thomas precession Oct 12 '18
2 Finding number of photons per second crossing an area with distance $d$ from a radiating point Aug 8 '18
1 Is the ground state energy always larger for the system with higher potential energy? Oct 24 '18
1 How to get space component of weak field (linearized) metric? Feb 13
1 A physical understanding of the 2/3 in the Sachs-Wolfe effect Sep 16 '14
0 How does the Equivalence Principle imply that derivatives of the metric vanish in a freely falling frame? 18 hours ago
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