Spin, charge, orbital and lattice degrees of freedom in quasi-cubic manganites: A brief review

Schlottmann P

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Spin, charge, orbital and lattice degrees of freedom in quasi-cubic manganites: A brief review

机译：准立方锰矿中的自旋，电荷，轨道和晶格自由度：简述

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The rich phase diagram of La1-xCaxMnO3 is the consequence of the interplay of spin, charge, orbital and lattice degrees of freedom, giving rise to several magnetic phases, Jahn-Teller distortions, spin-canting and phase separation, and orbital and charge order. Each Mn ion is in a mixed valent state of two magnetic configurations, Mn4+ and Mn3+. We study the phase diagram using mean-field slave bosons for the itinerant e(g)-electrons in two orbitals with excluded multiple occupancy of each site, Hund's rule interaction between the e(g) and t(2g) states and Jahn-Teller coupling of the eg orbitals to the lattice.

机译：La1-xCaxMnO3的丰富相图是自旋，电荷，轨道和晶格自由度相互作用的结果，产生了多个磁相，Jahn-Teller畸变，自旋倾斜和相分离以及轨道和电荷阶数。每个Mn离子均处于Mn4 +和Mn3 +两种磁性构型的混合价态。我们使用均场从动玻色子研究了两个轨道中的迭代e（g）电子的相图，每个位置均排除了多重占据，e（g）和t（2g）态之间的Hund规则相互作用以及Jahn-Teller例如轨道与晶格的耦合。

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《Physica, B. Condensed Matter》 |2009年第18期|共6页
作者
Schlottmann P;
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正文语种 eng
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关键词
Manganites; Jahn-Teller effect; Double exchange; Orbital order;

机译：锰矿;Jahn-Teller效应;双重交换;轨道顺序;

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1. Spin, charge, orbital and lattice degrees of freedom in quasi-cubic manganites: A brief review [J] . Schlottmann P Physica, B. Condensed Matter . 2009,第18期

机译：准立方锰矿中的自旋，电荷，轨道和晶格自由度：简述
2. Interrelation of the spin, orbital, and charge degrees of freedom in half-doped manganites [J] . Dunaevsky SM, Deriglazov VV Physics of the solid state . 2007,第8期

机译：半掺杂锰矿中自旋，轨道和电荷自由度的相互关系
3. Charge, spin, and orbital degrees of freedom in manganites: Mean-field slave-boson approach [J] . P. Schlottmann Physical review. B, Condensed Matter And Materials Physics . 2006,第21期

机译：锰矿中的电荷，自旋和轨道自由度：均场奴隶玻色子方法
4. Lattice, Spin and Charge Degrees of Freedom in the Layered Cmr Manganite La/sub 1.2/Sr/sub 1.8/Mn/sub 2/O/sub 7/ [C] . Argyriou, D.N. . 1998

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Spin, charge, orbital and lattice degrees of freedom in quasi-cubic manganites: A brief review

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