Holographic Josephson Junction from Massive Gravity

Understand

We study the holographic superconductor-normal metal-superconductor (SNS) Josephon junction in the massive gravity.

• In the homogeneous case of the chemical potential, we find that the graviton mass will make the normal metal-superconductor phase transition harder to take place.
• In the holographic model of Josephson junction, it is found that the maximal tunneling current will decrease according to the graviton mass.
• Besides, the coherence length of the junction decreases as well with respect to the graviton mass.