Spin and Many-Particle Systems
PHYS 410 · Module 6
This module introduces intrinsically quantum properties that have no classical analog. Students study spin-1/2 systems, Pauli matrices, identical particles, the exclusion principle, and entanglement.
Lessons in this module
Spin-½ and the Stern-Gerlach experiment
Spin is intrinsic angular momentum with no classical analog. This lesson explains spin-1/2 particles, Stern-Gerlach measurement, and two-state quantum systems.
Pauli matrices and spinors
Pauli matrices represent spin-1/2 observables. This lesson introduces spinors, matrix operators for $S_x$, $S_y$, and $S_z$, and basis changes between spin directions.
Identical particles and the exclusion principle
Identical quantum particles are fundamentally indistinguishable. This lesson explains symmetric and antisymmetric wavefunctions, bosons, fermions, and the Pauli exclusion principle.
Introduction to entanglement
Entanglement occurs when a multi-particle quantum state cannot be factored into independent states for each subsystem. This lesson introduces Bell states, correlations, measurement, and nonclassicality.
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