Hans Juergen Weber, Frank Ephraim Harris, George Brown Arfken, Mathematical Methods for Physicists; A Comprehensive Guide, 7th edition (Academic Press, 2012)
Chapter 2. Determinants and Matrices 제2장. 행렬식과 행렬
Section 2. Matrices 제2절. 행렬
예제(Exercise) 50 및 해설(Solution)
Show that the Dirac equation separates into independent 2×2 blocks in the Weyl representation (see Exercise 2.2.49) in the limit that the mass m approaches zero. This observation is important in the ultra relativistic regime where the rest mass is inconsequential, or for particles of negligible mass (e.g., neutrinos).
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제1장 예비 수학 https://gall.dcinside.com/physicalscience/196697
제2장 제1절 행렬식 https://gall.dcinside.com/physicalscience/196922
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