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phchen's user avatar
phchen's user avatar
phchen
  • Member for 10 years, 10 months
  • Last seen more than 4 years ago
  • Singapore
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About

Student major in pure physics and pure mathematics. Be interested in differential geometry, general relativity, topological insulator.

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Top posts
question
7
How to find the logarithm of Pauli Matrix? [closed]
Dec 24, 2015
answer
6
How to find the logarithm of Pauli Matrix?
Dec 24, 2015
question
5
Prove time-dependent hamiltonian is hermitian from unitarity of time-evolution operator
Dec 18, 2015
question
4
Example on Snell's Law with complex solution
Jun 13, 2017
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6
How to prove the eigenvalues of this matrix $A$ come in pairs $\pm\lambda$?
5
What's the condition for a matrix $A$ ($2N\times 2N$ dimension) to have eigenvalues in pairs $\pm\lambda$?