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Formation of d-wave superconducting order in a randomly doped lattice
We consider the interplay between superconducting coupling and dopant impurity scattering of charge carriers in planar square lattice systems and examine the physical conditions (doping level, temperature, local symmetry of coupling and scattering potentials) necessary in this model syst...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2001
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| Series: | Физика низких температур |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/129005 |
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| Summary: | We consider the interplay between superconducting coupling and dopant impurity
scattering of charge carriers in planar square lattice systems and examine the physical
conditions (doping level, temperature, local symmetry of coupling and scattering
potentials) necessary in this model system to obtain a d-wave superconducting order, like
that observed in real doped cuprate HTSC materials. Using the Lifshitz model for the
disorder introduced into system by dopants, we analyze also the nonuniform structure of
such a d-wave parameter, including both its magnitude and phase variation. The results
indicate that d-wave superconductivity becomes possible in a doped metal until it is
destroyed at too high doping levels. |
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