Electromagnetic-field angular momentum in condensed matter systems

Article

关键词: QUANTUM-MECHANICS;    SUPERCONDUCTIVITY;    SPIN;   

DOI  :  10.1103/PhysRevB.62.13070

来源: SCIE

【 摘 要 】

Various electromagnetic systems can carry an angular momentum in their E and B fields. The electromagnetic-held angular momentum (EMAM) of these systems can combine with the spin angular momentum to give composite fermions or composite bosons. In this paper we examine the possibility that an EMAM could provide an explanation of the fractional quantum Hall effect (FQHE) which is complimentary to the Chern-Simons explanation. We also examine a toy model of a non-BCS superconductor (e,g., high-T-c superconductors) in terms of an EMAM. The models presented give a common, simple picture of these two systems in terms of an EMAM. The presence of an EMAM in these systems might be tested through the observation of the decay modes of a charged, spin zero unstable particle inside one of these systems.

【 授权许可】

Free