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Jan
25
comment Why do the drift and diffusion components cancel for each type of carrier if EHP generation plays such big role in p-n-junctions?
Your first sentence is nonsense. If drift and diffusion components cancel each other, the current through p-n junction is zero and diode has infinite resistivity. Which contradicts the facts. It seems that your question is incomplete: you mean no bias, or some other conditions?
Jan
23
answered Band Gap/Energy Bands in Semiconductors?
Jan
20
answered Do electrons in multi-electron atoms really have definite angular momenta?
Jan
15
comment Is all matter made of virtual particles?
It is much,much more complicated than stated in the article. So much that the main article line is completely wrong.
Jan
12
revised Mobility in semiconductors
edited tags
Jan
12
answered Mobility in semiconductors
Jan
12
answered Charge carrier injection in heterostructures - help with concept definition
Jan
12
answered Physical meaning of magnetic length
Jan
10
comment How creation of point defects in semiconductors is affected by strain?
I am interested in the regime when no dislocations appear in the system. And no, there are no dislocations in the system. At least, their number is negligible.
Jan
9
comment How creation of point defects in semiconductors is affected by strain?
I'll take a look, but the titles make me think that not much about point defects is discussed there.
Jan
4
answered Simulating the evolution of a wavepacket through a crystal lattice
Jan
4
asked How creation of point defects in semiconductors is affected by strain?
Dec
4
awarded  Constituent
Dec
2
awarded  Caucus
Nov
7
answered Why is the spinor wave function of graphene what it is?
Oct
30
answered Why or how is cross product used?
Sep
15
answered Has there been any serious work in how the world would look if basic physical laws were changed?
Sep
15
comment How to prove that proper orthochronous Lorentz transformations form a group?
@vtt Wrong idea is that non-associative value may be associated with any transformation. Normally, one expects that the phrase "First I apply transform A then B and then C" may be expressed mathematically. For non-associative operations however that would mean undefined result as long as two variants of brackets are possible. That's why it is not a good idea to use non-associative value for transformations (or coordinate change or similar).
Sep
15
comment How to prove that proper orthochronous Lorentz transformations form a group?
@Karsus Ren sorry, I have no time to write the whole stuff. Are you satisfied with Qmechanic answer? He did an excellent job writing this in details.
Sep
15
comment How to prove that proper orthochronous Lorentz transformations form a group?
@vtt Magmas, loops and others may be constructive to use sometimes, somewhere for something which is not physical transform/coordinate change/etc. You have a wrong idea of what associativity means.