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cond-mat.supr-con2025
Analytical solution of coupled self--consistency and linearised Usadel equations for the dirty superconductors at and with the proximity effect
S. S. Seidov, N. G. Pugach
In this manuscript we consider a superconducting film in the vicinity of the critical temperature and presence of the proximity effect. We analytically solve the corresponding line…
quant-ph2025
Energy spectrum and quantum phase transition of the coupled single spin and an infinitely coordinated Ising chain
S. S. Seidov, N. G. Pugach, A. S. Sidorenko
We consider a spin model, composed of a single spin, connected to an infinitely coordinated Ising chain. Theoretical models of this type arise in various fields of theoretical phys…