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Yingfei Gu

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173 reputation
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visits member for 1 year, 8 months
seen May 9 at 2:32
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Condensed Matter Theory Student
173 reputation
 bio website visits member for 1 year, 8 months
5 badges
 location seen May 9 at 2:32
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9 Questions

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13
 Homotopy $\pi_4(SU(2))=\mathbb{Z}_2$
5
 The analogy between temperature and imaginary time
4
 Space-time geometry and metric
4
 7 sphere, is there any physical interpretation of exotic spheres?
3
 Cosmology constant as a negative pressure?
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173 Reputation

+3 Division algebras $(\mathbb{R,C,H,O})$ and discrete symmetry
+15 Homotopy $\pi_4(SU(2))=\mathbb{Z}_2$
+20 Space-time geometry and metric
+5 Harmonic oscillator and Lorentz symmetry
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0 Answers

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30 Tags

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mathematical-physics × 2
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discrete
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quantum-field-theory × 2
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gauge-theory
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topology × 2
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statistical-mechanics
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symmetry × 2
0
gravity
0
heat
0
temperature
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1 Account

Physics Stack Exchange Physics 173 rep 5

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