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I'm a physics grad student just trying to figure out all this stuff like everyone else.


Jul
6
answered How can sound waves propagate through air?
Jul
6
comment How to define a field?
Possible overlap/duplicate: physics.stackexchange.com/questions/30517/… and physics.stackexchange.com/questions/13157/…
Jul
5
revised Why do we need the quantity momentum?
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Jul
5
revised Why do we need the quantity momentum?
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Jul
5
revised Why do we need the quantity momentum?
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Jul
5
answered Why do we need the quantity momentum?
Jul
4
revised Practical matter of the Higgs-Mechanism
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Jul
4
revised Practical matter of the Higgs-Mechanism
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Jul
4
revised Practical matter of the Higgs-Mechanism
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Jul
4
answered Practical matter of the Higgs-Mechanism
Jul
4
comment Practical matter of the Higgs-Mechanism
You mean technological advance as in: (1) what can we do know that we have the detector technology what else can we do with it? Or (2) what can we do theoretically now that we are pretty sure the Higgs exists?
Jul
4
comment Could someone remind me of what we mean by zero electric field “inside” a conductor?
@ErnestoUlloa - I think you have it backwards. Typically we argue that the electric field is zero inside a conductor and use Gauss's law to prove the charge on a conductor resides on the surface. Its extremely unclear to me how to go backwards and prove first that charge is only on the surface. If you have a proof of this, please post the link or provide your alternative answer to the question asked by jak. Thanks!
Jul
4
comment Why is GR renormalizable to one loop?
Ron just expressed that is exactly what doesn't happen.
Jul
4
comment Why is GR renormalizable to one loop?
@Ron - my thoughts exactly. Thanks.
Jul
3
answered Coriolis Effect and the Space Shuttle
Jul
3
comment Lorentz transformations of the polarization vector
I really don't know the answer to this, but I suspect it might help to start thinking about how a quantity like $ \vec{A}\times \vec{B}$ where $\vec{A}$ and $\vec{B}$ are standard 3 -vectors, transforms under regular rotations, and thus build up the intuition to Lorentz transformations.
Jul
3
comment How and why can random matrices answer physical problems?
Zee talks a bit about this in chapter VII.4 of "Quantum Field Theory in a Nutshell"
Jul
2
comment Could someone remind me of what we mean by zero electric field “inside” a conductor?
@jak - I edited to answer your question, let me know if you are still confused.
Jul
2
revised Could someone remind me of what we mean by zero electric field “inside” a conductor?
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Jul
2
answered Could someone remind me of what we mean by zero electric field “inside” a conductor?