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Updated: Jul 24, 2026

Fabrication of Spatially Confined Complex Oxides
Published on: July 1, 2013
Topological scenario for stripe formation in manganese oxides
1National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32306 and Institute for Solid State Physics, University of Tokyo, 7-22-1 Roppongi, Minato-ku, Tokyo 106-8666, Japan.
Abstract:
The spin-charge-orbital complex structures of manganites are studied using topological concepts. The key quantity is the "winding number" w associated with the Berry-phase connection of an e(g) electron parallel transported through Jahn-Teller centers, along zigzag one-dimensional paths in an antiferromagnetic environment of t(2g) spins. From these concepts, it is shown that the "bi-stripe" and "Wigner-crystal" states observed experimentally have different w's. Predictions for the spin structure of the charge-ordered states for heavily doped manganites are discussed.
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