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Existence of two-dimensional closed orbits and delocalized carriers in the spin-ordered state of quasi-one-dimensional (TMTSF)2PF6 |
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| Authors: | A V Kornilov V M Pudalov K Ishida T Mito J S Qualls |
| Institution: | 1. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia 2. Department of Physics, Kyoto University, Kyoto, 606-8502, Japan 3. Department of Physics, Kobe University, Kobe, 657-8501, Japan 4. Sonoma State University, Rohnert Park, CA, 94928, USA |
| Abstract: | The magnetoresistance in spin-ordered state of quasi-one-dimensional (TMTSF)2PF6 has been studied. Both the frequency and anisotropy of the magnetoresistance oscillations are found to be independent of temperature; this proves the temperature independence of the geometry of two-dimensional closed contours at the Fermi level. At the same time, the oscillation amplitude decreases with the temperature, indicating the depopulation of the closed contours in the T = 0 limit. An explanation for the above seemingly controversial results has been proposed. |
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