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What is BCS Groundstate Particle Number Analysis about?
This document contains a summary of problems from Ph 295b, Many-Body Physics: Set 5. The problems relate to calculating the particle number expectation value and variance in the BCS ground state. Specifically: - Problem 1 shows that the average particle number in the BCS ground state is the sum over all momentum states q of the square of the vk coefficients. - Problem 2 shows that the particle number variance in the BCS ground state is 4 times the sum over all momentum states q of the vk coefficients squ
- Author
- misri_123
- Language
- EN