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- Gholamreza Rashedi
- Journal of physics. Condensed matter : an…
- 2009

In this paper, the non-local mixing of coherent current states in d-wave superconducting banks is investigated. The superconducting banks are connected via a ballistic point contact. The banks have mis-orientation and phase difference. Furthermore, they are subjected to a tangential transport current along the ab plane of d-wave crystals and parallel to the… (More)

In this paper, a dc Josephson junction between two singlet superconductors (d-wave and s-wave) with arbitrary reflection coefficient has been investigated theoretically following the famous paper [ Y. Tanaka and S. Kashiwaya 1996 Phys. Rev. B 53, R11957]. For the case of High Tc superconductors, the c-axes are parallel to an interface with finite… (More)

- Z Rashidian, F M Mojarabian, P Bayati, G Rashedi, A Ueda, T Yokoyama
- Journal of physics. Condensed matter : an…
- 2014

We theoretically investigate the transport properties of bilayer graphene junctions, where the ferromagnetic strips are attached to the middle region of the graphene sheet. In these junctions, we can control the band gap and the band structure of the bilayer graphene by using the bias voltage between the layers and the exchange field induced on the layers.… (More)

- Y Rahnavard, G Rashedi, T Yokoyama
- Journal of physics. Condensed matter : an…
- 2010

We study transport properties and local density of states in a clean superconductor-normal metal-superconductor Josephson junction with triplet f-wave superconductors, based on the Eilenberger equation. Effects of the thickness of normal metal and a misorientation between the gap vector of the superconductors on the spin and charge currents are… (More)

The coherent mixing of the current states in the superconducting weak link subject to a Josephson phase difference φ and subject to an external transport current in the banks is one of the aims of this work. At φ = π the nonlocal mixing of current states produces two vortices close to the point-contact between superconducting bulks. The effect of… (More)

- Yousef Rahnavard, Gholamreza Rashedi, Takehito Yokoyama
- Journal of physics. Condensed matter : an…
- 2011

Charge and spin Josephson currents in a ballistic superconductor-ferromagnet-superconductor junction with spin-triplet pairing symmetry are studied using the quasiclassical Eilenberger equation. The gap vector of superconductors has an arbitrary relative angle with respect to magnetization of the ferromagnetic layer. We clarify the effects of the thickness… (More)

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