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Spin crossover: the quantum phase transition induced by high pressure |
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| Authors: | A I Nesterov S G Ovchinnikov |
| Institution: | 1. CUCEI, Universidad de Guadalajara, Guadalajara, México 2. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russia 3. Siberian Federal University, Krasnoyarsk, 660062, Russia |
| Abstract: | The relationship is established between the Berry phase and spin crossover in condensed matter physics induced by high pressure. It is shown that the geometric phase has topological origin and can be considered as the order parameter for such transition. |
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