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Rescy_
  • Member for 9 years, 5 months
  • Last seen more than a week ago
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PhD

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question
7
Can all the theorems of classical mechanics be deduced from Newton's laws?
Jul 21, 2015
answer
4
Show that $i/2m\int d^3\vec x\hat\pi(\vec x)\partial^2_i\hat\phi(\vec x)=1/(2\pi)^3\int d^3\vec p E(\vec p)\hat a(\vec p)^\dagger\hat a(\vec p)$
Dec 17, 2023
question
4
What is high energy physics?
Jul 29, 2015
question
4
Derivation of Peskin & Schroeder eq. (4.29)
Dec 29, 2023
question
4
Why is commutation bracket used instead of anti-commutation bracket on page 61 of Peskin QFT?
Dec 22, 2023
question
4
Is there a quick way to calculate the derivative of a quantity that uses Einstein's summation convention?
Nov 10, 2022
question
3
Why is it true that Laplace's equation does not hold within the sphere in this case?
Jan 6, 2016
question
2
Showing that a mass moves a half cycle
Jul 29, 2015
answer
2
Schwarzschild Horizon being Killing Horizon
Apr 24, 2023
answer
2
Work-energy theorem and Newton's second law
Nov 28, 2022
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15
Invertible matrix of non-square matrix?
12
Show divisibility by 7
7
Does the operation of a group matter when talking about isomorphism?
7
Shall I use better understand or understand better?
6
Shall I use 'pursue my passion for' or 'in'?