نتایج جستجو برای: josephson effect
تعداد نتایج: 1646593 فیلتر نتایج به سال:
Josephson-junction arrays are ideal model systems to study a variety of phenomena such as phase transitions, frustration effects, vortex dynamics and chaos. In this review, we focus on the quantum dynamical properties of lowcapacitance Josephson-junction arrays. The two characteristic energy scales in these systems are the Josephson energy, associated with the tunneling of Cooper pairs between ...
The critical current modulation and the spontaneous flux of the vortex states in corner Josephson junctions between Sr2RuO4 and a conventional s-wave superconductor are calculated as a function of the crystal orientation, and the magnetic field. For Sr2RuO4 we assume two nodeless p-wave pairing states. Also we use the nodal f -wave states B1g × Eu and B2g × Eu, and one special p-wave state havi...
A Josephson junction, consisting of two superconductors weakly coupled together, is an example of a very simple macroscopic quantum system. When there is a voltage V across the junction, the supercurrents flowing through it oscillate at a frequency given very precisely by the relation v=SeV/h. The general vnlidity of this formula has been used recently by Parker, Langenberg, Denenstein, and Tay...
In the tunnel limit, the current-phase relation of Josephson junctions can be expanded as I(φ) = I1 sinφ + I2 sin 2φ. Standard BCS theory predicts that I1RN ∼ ∆/e and I2/I1 ∼ D, where RN is the resistance of the junction in the normal state, ∆ is the superconducting gap, and D ≪ 1 is the junction transparency. In the cuprates, the experimental value of I1RN (I2/I1) is much smaller (larger) than...
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