Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2002-06-19
Phys. Rev. B 66, 195412 (2002)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
9 pages, 5 figures
Scientific paper
10.1103/PhysRevB.66.195412
We present a theory of mesoscopic fluctuations of g tensors and avoided crossing energies in a small metal grain. The model, based on random matrix theory, contains both the orbital and spin contributions to the g tensor. The two contributions can be experimentally separated for weak spin-orbit coupling while they merge in the strong coupling limit. For intermediate coupling, substantial correlations are found between g factors of neighboring levels.
Adam Shaffique
Brouwer Piet. W.
Polianski Mikhail L.
Waintal Xavier
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