The matrices called Pauli spin matrices, are used in quantum mechanics to study particle

Elementary Linear Algebra: Applications Version | 10th Edition | ISBN: 9780470432051 | Authors: Howard Anton, Chris Rorres

ISBN: 9780470432051 396

Solution for problem 29 Chapter 5.3

Elementary Linear Algebra: Applications Version | 10th Edition

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Problem 29

The matrices called Pauli spin matrices, are used in quantum mechanics to study particle spin. The Dirac matrices, which are also used in quantum mechanics, are expressed in terms of the Pauli spin matrices and the identity matrix as (a) Show that . (b) Matrices A and B for which are said to be anticommutative. Show that the Dirac matrices are anticommutative.

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