Theory of Macroscopic Quantum Tunneling and Dissipation in High-Tc Josephson Junctions

Details Theory of Macroscopic Quantum Tunneling and Dissipation in High-Tc Josephson Junctions Theory of Macroscopic Quantum Tunneling and Dissipation in High-Tc Josephson Junctions

2007-01-30

arxiv.org/abs/cond-mat/0701734v1

Supercond. Sci. Tech. 20 (2007) S6

Physics

Condensed Matter

Superconductivity

4 pages. 1 figure

Scientific paper

10.1088/0953-2048/20/2/S02

We have investigated macroscopic quantum tunneling (MQT) in in-plane high-Tc superconductor Josephson junctions and the influence of the nodal-quasiparticle and the zero energy bound states (ZES) on MQT. We have shown that the presence of the ZES at the interface between the insulator and the superconductor leads to strong Ohmic quasiparticle dissipation. Therefore, the MQT rate is noticeably suppressed in comparison with the c-axis junctions in which ZES are completely absent.

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