6,129 reputation
928
bio website sjbyrnes.com
location Massachusetts
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visits member for 3 years, 2 months
seen 11 hours ago

Jul
21
answered “Lack of inversion symmetry” in crystal?
Jul
14
answered Justification of discrete spectrum for V(x) unbounded at $\pm \infty$ in Pauling and Wilson
Jul
8
answered Experimentally measuring coherence length of laser
Jul
3
asked Can a point source be located more accurately out-of-focus or in-focus?
Jun
4
answered Why is the phase velocity used in the definition of the refractive index?
May
28
asked Formalism for BEC with short-distance sub-structure “corrections”
May
9
answered What is happening to the electrons, and E & H fields, in an antenna with a standing wave inside?
May
9
answered Homemade salad dressing separates into layers after it sits for a while. Why doesn't this violate the 2nd law of thermodynamics?
Apr
27
answered Why do tunneling photons outrace their non tunneling counterparts in vacuum?
Apr
24
answered Why use lasers for intense, localized heat instead of some other light source?
Apr
22
answered Franck and Hertz graph function
Apr
1
answered Could one measure a stick to an arbitrary precision by having its length estimated by enough people?
Mar
28
asked Why doesn't Fermi's golden rule distinguish attraction from repulsion?
Mar
26
answered Does optical fiber preserve the angles of incoming light?
Mar
17
answered Is there a sound theoretical argument against inner-shell induced nuclear chain reactions?
Mar
11
answered Phonon scattering process in raman spectroscopy
Mar
3
answered Physics textbooks that distinguish between laws and definitions?
Feb
23
answered Why viscosity is diffusive?
Feb
23
answered Continuum limit for solid mechanics
Feb
12
answered Is crystal momentum an operator?