Entanglement and bifurcations in Jahn-Teller models
نویسندگان
چکیده
منابع مشابه
Polarons and Solitons in Jahn-Teller Systems
Using a semiclassical continuum model of an electron in a deformable molecular crystal, some properties of multicomponent generalizations of the polaron–“vector polarons”– are elucidated. Analytical solutions for the case of two electronic bands coupled to two vibrational modes are given in detail. Within the model considered, the vector polaron can be classified by its wavefunction into severa...
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BY A. CEULEMANS1,*, E. LIJNEN1, P. W. FOWLER2, R. B. MALLION3 AND T. PISANSKI4 1Division of Quantum Chemistry and Physical Chemistry, Department of Chemistry, K.U. Leuven, Celestijnenlaan 200F, Heverlee 3001, Belgium 2Department of Chemistry, University of Sheffield, Sheffield S3 7HF, UK 3School of Physical Sciences, University of Kent, Canterbury CT2 7NH, UK 4Faculty of Mathematics and Physics...
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Because of the competition between the spin-orbit coupling and the Jahn-Teller (JT) energies in Fe(II)Fe(III) bimetallic oxalates, we theoretically predict that an undistorted phase with C3 symmetry about each Fe site may be recovered at low temperatures. Both lower and upper JT transitions bracketing the ferrimagnetic transition temperature Tc are predicted for compounds that exhibit magnetic ...
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The Jahn-Teller theorem predicts that orbitally degenerate complexes in solids can lower their energy by a distortion which lowers their symmetry. Exact degeneracy is not necessary for this instability; usually it suffices if the actual separation of the energy levels involved is less than the energy reduction which would result if they were exactly degenerate. We discuss various cases of accid...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2004
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.70.022303