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dc Josephson current for d-wave superconductors with charge density waves
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dc Josephson current for d-wave superconductors with charge density waves
Тема:
Квантовые когерентные эффекты в сверхпроводниках и новые материалы
Інший ID:
PACS: 74.20.Fg, 74.20.Rp, 74.50.+r, 71.45.Lr
Посилання:
dc Josephson current for d-wave superconductors with
charge density waves / A.M. Gabovich, A.I. Voitenko // Физика низких температур. — 2012. — Т. 38, № 4. — С. 414-422. — Бібліогр.: 147 назв. — англ.
Підтримка:
AIV is grateful to Kasa im. Józefa Mianowskiego, Fundacja
na Rzecz Nauki Polskej, and Fundacja Zygmunta
Zaleskiego for the financial support of their visits to Warsaw.
AMG highly appreciates the 2010 Visitors Program
of the Max Planck Institute for the Physics of Complex
Systems (Dresden, Germany). The work was partially supported
by the Project N 23 of the 2009–2011 Scientific
Cooperation Agreement between Poland and Ukraine.
Дата:
2012
Переглядів:
878
Завантажень:
358
Анотація:
dc Josephson tunnel current Ic between a dx²–y² -wave superconductor with charge density waves (CDWs) —
e.g., a high-Tc oxide and a conventional isotropic superconductor — was considered theoretically. A directionality
of tunneling was taken into account. It was found that the dependence of Ic on the angle γ between the superconducting
lobe direction and the normal to the junction plane is significantly altered by CDWs. For certain doping
levels it may be even nonmonotonic, which can be readily found experimentally. For the sake of comparison,
the corresponding results obtained for the tunnel junction between a CDW s-superconductor and a conventional
isotropic superconductor are also presented.
