Physics
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Yingfei Gu
  • Member for 10 years, 8 months
  • Last seen more than a week ago
  • Harvard, Massachusetts Avenue, Cambridge, MA, United States
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Post-Doc condensed matter physics.

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All Questions Answers
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question
18
Homotopy $\pi_4(SU(2))=\mathbb{Z}_2$
Dec 8, 2012
question
13
7 sphere, is there any physical interpretation of exotic spheres?
Nov 8, 2012
question
8
Planck mass is about the mass of one eyebrow hair
Nov 6, 2012
answer
7
Is there a 2D manifold on which the Dirac equation has a zero mode?
Dec 14, 2015
question
6
The analogy between temperature and imaginary time
Nov 20, 2012
question
5
Space-time geometry and metric
Dec 16, 2012
question
4
Cosmology constant as a negative pressure?
Nov 6, 2012
answer
4
Quenched systems - disorder average (SYK model)
Jul 19, 2018
question
4
Choice of framing in Gravitational Chern-Simons [closed]
Jun 25, 2015
answer
3
Is gravitational Chern-Simons action "topological" or not?
Jul 2, 2015
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11
Homotopy $\pi_4(SU(2))=Z_2$
7
Gauss-Milgram formula for fermionic topological order?
7
Choice of framing in Gravitational Chern Simons
7
Is there a homomorphism between $\pi_8(S^5)$ and $\pi_8(SO(6))$?
6
$\eta$ invariants of Pin+ manifolds $\mathbb{RP}^{8k}$

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