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Title: Merons and Thomas precession
Authors: Samuel, J.
Issue Date: 29-Jan-1996
Publisher: The American Physical Society
Citation: Physical Review Letters, 1996, Vol.76, 717-721
Abstract: In a recent study of Thomas precession of electron spin in the context of the Dirac equation, Shankar and Mathur identify the non-Abelian Berry potential (arising from Kramers degeneracy) with the meron. We point out that there is a global mathematical subtlety which prevents such an identification. We go on to clarify the physical context in which merons do arise as Berry potentials.
ISSN: 0031-9007 (print)
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Copyright: (1996) by the American Physical Society
Appears in Collections:Research Papers (TP)

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