Quantum Griffiths Singularity in Ordered Artificial Superconducting-Islands-Array on Graphene
Fan Chen,
Yixin Liu,
Wang Guo
et al.
Abstract:Quantum Griffiths phase (QGP) is a novel quantum phenomenon of quantum phase transition in twodimensional (2D) superconductors, and the emergence of inhomogeneous superconducting rare regions immersed in a metallic matrix is theoretically related to the quantum Griffiths singularity (QGS). However, the theoretical proposal of superconducting rare regions still lacks intuitive experimental verification. Here, we construct an artificial ordered superconducting-islands-array on monolayer graphene with the aid of … Show more
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