6,412 reputation
2618
bio website akhmeteli.org
location Houston, TX
age
visits member for 2 years, 3 months
seen 11 hours ago

Mar
26
comment How can I determine density of a gas only given temperature?
@veronica: For example, in the ideal gas law $PV=nRT$, $T$ is in Kelvin.
Mar
24
answered metastable energy levels
Mar
23
answered Dielectric constant of water
Mar
22
answered Can electromagnetic fields be used to shield electromagnetic radiation?
Mar
22
answered Help understanding proof in simultaneous diagonalization
Mar
21
answered What is the effect of phase transition on the thermodynamic state variables of a material?
Mar
10
awarded  Nice Answer
Feb
26
comment What was Feynman's “much better way of presenting the electrodynamics” — which did **not** appear in the Feynman lectures?
@littleO: As I said, I am not sure
Feb
26
answered What was Feynman's “much better way of presenting the electrodynamics” — which did **not** appear in the Feynman lectures?
Feb
26
comment How does the magnetic field get induced in car's tire?
I tend to think that GODPARTICLE's answer may be reasonable: electrostatic charge on the tire can indeed attract metal objects, as the charge is attracted to its image charge in the metal. You may wish to look at youtube.com/watch?v=AC4PAfIEwBs (at about 2:00).
Feb
21
comment How can the reduction postulate be removed with the other postulates of QM still leading to correct predictions?
@lionelbrits: I am not sure why "the density matrix assumes born's rule for a system+environment". Again, the density matrix formalism describes pure states as well.
Feb
16
comment How can the reduction postulate be removed with the other postulates of QM still leading to correct predictions?
@lionelbrits: They comment on Zurek's work on page 32 of their preprint. Do you find their comments unreasonable? As for density matrices, if they implicitly contain the Born's rule, how could they find deviations from the Born's rule? And I guess density matrix formalism includes pure functions as well. Or am I mistaken?
Feb
14
reviewed Close Why is light speed the limit?
Feb
14
reviewed Leave Open Are Black Holes set to take over the Harmonic Oscillator in the 21st century?
Feb
14
reviewed Leave Closed Temperature of a phase transition
Feb
14
reviewed Reopen How do I explain to a 6 year old why people on the other side of the Earth don't fall off?
Feb
11
answered Speed of sound at temperatures below 0 °C
Feb
8
answered Dynamics of Honey in hot water: Honey accelerates like it is falling through air?
Feb
3
revised Need an intermediate resistivity part/material
added 135 characters in body
Feb
3
awarded  Scholar