Comment on the quantum nature of angular momentum using a coupled-boson representation

2005/11/29 by Ilki Kim, Kim, ILki, G. J. Iafrate +1
Computer Science · Physics and Astronomy · #FOS: Physical sciences #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum Physics (quant-ph) #Quantum and Classical Electrodynamics

paper · pdf · doi:10.48550/arxiv.quant-ph/0511259

openalex publication_date 2005/11/29 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A simple approach for understanding the quantum nature of angular momentum and its reduction to the classical limit is presented based on Schwinger's coupled-boson representation. This approach leads to a straightforward explanation of why the square of the angular momentum in quantum mechanics is given by j(j+1) instead of just j², where j is the angular momentum quantum number.

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