The foresee of Smale horseshoes transformation of planar Josephson equation with Melnikov function ,obtaining the solution of Josephson equation under condition of(t)=0 and (t)0with perturbation metho

Quantization of mesoscopic mutual inductance coupling circuit with superconducting Josephson junctions and their quantum effects;

Quantum corrections in fitting the switching current distributions of intrinsic Josephson junction;

Computer simulations for the intermittent-type chaos and chaos control in RC-shunted Josephson junction;

Quantum dynamics, in particular, macroscopic quantum tunneling in Josephson junctions coupled with resonant electro-magnetic modes is studied in the paper.

A new kind of magnetic flux sensor is designed based on the Josephson effect of high temperature superconductor, the major components of a magnetic flux sensor are superconducting quantum interference device and corresponding apparatus, such as input coil, filtering circuit, oscillating circuit and ancillary circuit.

According to the AC Josephson effect,we have studied the issue of the phase locking of Josephson junction arrays embedded in the Fabry-Perot resonator under the microwave radiation.

An effective bosonic Hamiltonian describing the interaction of a mesoscopic Josephson junction with a quantized radiation field is studied.

To investigate the interaction of a mesoscopic Josephson junction with a single mode quantized electromagnetic field, the diagnonalizing process of the coupled system Hamiltonian was performed by using an unitary transformation.

To study the nonclassical effects of the mesoscopic Josephson junction in the presence of a nonclassical microwave, the mesoscopic Josephson junction and the field were both treated quantum mechanically, and the external field approximation was used.