Srednicki — Quantum Field Theory · Problem 92.5

Canonical Quantization of Scalar Fields — Mark Srednicki

Physics — QFT · winding-number-s2-example

Problem

Use eq.\,(92.35) to compute the winding number for the map specified by φ^=(sin⁡θcos⁡nϕ,sin⁡θsin⁡nϕ,cos⁡θ)\hat{\varphi} = (\sin\theta\cos n\phi, \sin\theta\sin n\phi, \cos\theta).

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