Spin density wave – metal (superconductor) competition:
A phase segregation scenario
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We present a model comparing the free energy of a phase exhibiting a segregation between spin density wave (SDW) and metallic domains (eventually superconducting domains) and the free energy of homogeneous phases which explains the findings observed recently in (TMTSF)2PF6. The dispersion relation of this quasi-one-dimensional organic conductor is linearized around the Fermi level. Deviations from perfect nesting which stabilizes the SDW state are described by a unique parameter t$'_b$, this parameter can be the pressure as well.
1990 ◽
Vol 64
(5)
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pp. 591-594
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1980 ◽
Vol 44
(19)
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pp. 1261-1263
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2000 ◽
Vol 69
(4)
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pp. 997-999
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1999 ◽
Vol 45
(3)
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pp. 361-367
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1997 ◽
Vol 66
(10)
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pp. 3244-3250
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