2014/03/08 by Naushad Ahmad Kamar, Kamar, Naushad Ahmad, N. S. Vidhyadhiraja +1
Physics and Astronomy · #FOS: Physical sciences #Physics of Superconductivity and Magnetism #Strongly Correlated Electrons (cond-mat.str-el) #Superconductivity (cond-mat.supr-con) #Theoretical and Computational Physics #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.48550/arxiv.1403.1972
6 pages, 6 figures
openalex publication_date 2014/03/08 · arxiv created 2014/04/02 · arxiv updated 2014/04/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In this letter, we have studied the effects of proximity of a superconductor to a normal metal. The system, represented by a bilayer attractive Hubbard model, is investigated using layer-dynamical mean field theory and iterated perturbation theory for superconductivity as an impurity solver. The bilayer system comprises a superconducting and a normal metallic layer, connected by an inter-planar hopping (t_⊥). It is found that superconductivity is induced in the normal layer for small t_⊥. With increasing inter-layer hopping, the bilayer system undergoes two transitions: a first order transition to a normal metallic phase, and subsequently a continuous crossover to a band insulator.