Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2003-12-24
Phys. Rev. Lett. 93, 36403(2004)
Physics
Condensed Matter
Strongly Correlated Electrons
Accepted by Phys. Rev. Lett., 4 pages, 1 figure
Scientific paper
10.1103/PhysRevLett.93.036403
Spin-orbit coupling plays an important role in determining the properties of solids, and is crucial for spintronics device applications. Conventional spin-orbit coupling arises microscopically from relativistic effects described by the Dirac equation, and is described as a single particle band effect. In this work, we propose a new mechanism in which spin-orbit coupling can be generated dynamically in strongly correlated, non-relativistic systems as the result of fermi surface instabilities in higher angular momentum channels. Various known forms of spin-orbit couplings can emerge in these new phases, and their magnitudes can be continuously tuned by temperature or other quantum parameters.
Wu Congjun
Zhang Shou-Cheng
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