Ok, so let us suppose we have a spinor which is a spin 1/2 state vector (a)(adsbygoogle = window.adsbygoogle || []).push({});

b

Now spinors exist in 2 dimensional complex space. How do I find the eigenvalues which correspond to the eigenvector

(a)

b

I am confused because we are dealing with eigenvalues for a matrix which is not a square matrix. I know for a square matrix we just find the eigenvalues such that the determinant of the matrix becomes zero. I am not sure how to deal with determinants of non-square matrices however. Helo anybody?

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# Embarassing question about eigenvectors

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