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APS » Journals » Phys. Rev. B » Volume 60 » Issue 22
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Phys. Rev. B 60, R15009–R15012 (1999)

A-type antiferromagnetic and C-type orbital-ordered states in LaMnO3 using cooperative Jahn-Teller phonons

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Takashi Hotta, Seiji Yunoki, Matthias Mayr, and Elbio Dagotto
National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32306

Received 1 July 1999; published in the issue dated 1 December 1999

The effect of Jahn-Teller phonons on the magnetic and orbital structure of LaMnO3 is investigated using a combination of relaxation and Monte Carlo techniques on three-dimensional clusters of MnO6 octahedra. In the physically relevant region of parameter space for LaMnO3, and after including small corrections due to tilting effects, the A-type antiferromagnetic and C-type orbital structures were stabilized, in agreement with experiments.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.60.R15009
DOI:
10.1103/PhysRevB.60.R15009
PACS:
75.30.Kz, 75.50.Ee, 75.10.-b
 
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