Physics
Guoqing's user avatar
Guoqing's user avatar
Guoqing's user avatar
Guoqing
  • Member for 3 years, 1 month
  • Last seen this week
  • Wuhan, 湖北省 China
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6
answers
7
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9
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69
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4
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31
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4
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31
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3
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23
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8
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23
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Top posts
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All Questions Answers
Score Newest
question
3
Confusion about symmetry spontaneous breaking in a simple model
Mar 26, 2022
question
1
Does a unitary transformation change the symmetry of a system?
Mar 31, 2021
question
1
How can I get an unitary operator acting on the composed system from an unitary operator that acts on a subspace of the composed system?
Apr 20, 2021
question
1
How to find the exact spectrum of the squeezed-driven Kerr-nonlinear model?
Jul 18, 2022
question
1
What's the connection between the product of advanced and retarded Green functions and system dynamics in quantum mechanics?
Mar 29
answer
1
Problem understanding eigenfunctions and operators
Oct 15, 2020
answer
1
How can I solve this secular (eigen) equation to get non-zero solution?
Mar 13, 2021
question
0
How can I solve this secular (eigen) equation to get non-zero solution?
Mar 13, 2021
question
0
Why is the topologically non-trivial edge state robust against off-diagonal disorder?
Apr 30, 2021
answer
0
Mirror/Parity symmetry
Oct 16, 2020
Top network posts
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8
How to count the total zeros of a complex polynomial outside a closed curve?
6
Integral of the $\delta$ function

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