Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: La-site shift as probe for Jahn-Teller effect   We observe two consecutive transitions in La1-xCaxMnO3, x=0.19: ferromagnetic
ordering at Tc = 177 K and Jahn-Teller orbital ordering at T_JT = 150 K. The
presence of a ferromagnetic insulating state below T_JT shows that the metallic
phase is bound by ferromagnetic and Jahn- Teller ordering, and not induced by a
critical doping concentration. The A-site shift is found to be a good indicator
of Jahn-Teller ordering. Furthermore, the A-site shift does not disapppear
above T_JT, indicating a dynamical behaviour of the distorted MnO6 octahedra.

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The categories of this paper are: stat
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The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
5
The categories of this paper are: gr-qc
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The categories of this paper are: q-bio
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The categories of this paper are: funct-an
2
The categories of this paper are: math
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The categories of this paper are: quant-ph
7
The categories of this paper are: hep-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: alg-geom
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The categories of this paper are: math-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: atom-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: mtrl-th