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accepted Question about entangled states
2d
comment Question about entangled states
thanks! I get it! also, thanks for pointing out that i forgot the square root sign for the normalization factor. i've edited the question.
2d
awarded  Editor
2d
revised Question about entangled states
added 7 characters in body
2d
revised Question about entangled states
edited tags
2d
asked Question about entangled states
Jun
14
comment Terms allowed in Lagrangian density
thanks for pointing that out!
Jun
14
accepted Terms allowed in Lagrangian density
Jun
13
comment Terms allowed in Lagrangian density
Thanks for the response! I understand the problem better now. I read Motl's answer and while I understand everything he says from a mathematical perspective, I'm still confused about the physical grounds for his argument. Is it always true that the distance-scale "L" in Motl's answer that appears in the coefficients of the derivative terms is a microscopic scale that can be neglected when you raise it to an integer power? Thanks!
Jun
12
asked Terms allowed in Lagrangian density
May
20
awarded  Scholar
May
20
accepted Is there a deep reason why springs combine like capacitors?
Apr
13
comment Suggestions on a particular arXiv publication on math needed for theoretical physicists
Yes, that was the sense I got yesterday when I was skimming through it, but I just wanted to double-check. Thanks!
Apr
13
comment Suggestions on a particular arXiv publication on math needed for theoretical physicists
I've taken a graduate course in QFT already that used Peskin and Schroeder mostly and sometimes Srednicki. I am interested in QFT applications to condensed matter theory and AdS/CFT correspondence. So, I guess I was looking to improve my understanding of things I've learned as an undergrad from a mathematical point of view. Thanks for your suggestions!
Apr
13
asked Suggestions on a particular arXiv publication on math needed for theoretical physicists
Jan
11
awarded  Supporter
Jan
2
comment How is quantum mechanics compatible with the speed of light limit?
Thanks for the question, Elliotte! In my QFT class, we briefly touched on how the antiparticle field cancels out the superluminal effects of the particle field. But what I don't understand is that the particle still can travel faster than the speed of light. Is there no way one can observe only that? I'm sorry if this is a silly question, I've taken just one semester of QFT..Thanks!
Nov
6
awarded  Nice Question
Sep
7
asked Is there a deep reason why springs combine like capacitors?
Aug
18
awarded  Student