Zobrazeno 1 - 10
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pro vyhledávání: '"magnetic impurities"'
Autor:
Awelewa, Samuel, Dzero, Maxim
We revisit certain aspects of a problem concerning the influence of carrier scattering induced by magnetic impurities in metals on their superconducting properties. Superconductivity is assumed to be driven by strong electron-phonon interaction. We u
Externí odkaz:
http://arxiv.org/abs/2412.03646
Autor:
Hofer, J. A.1 (AUTHOR) juan.hofer@cab.cnea.gov.ar, Bengio, S.2 (AUTHOR), Haberkorn, N.1,2 (AUTHOR)
Publikováno v:
Applied Physics A: Materials Science & Processing. Sep2023, Vol. 129 Issue 9, p1-9. 9p. 1 Chart, 7 Graphs.
Quantum spin impurities coupled to superconductors are under intense investigation for their relevance to fundamental research as well as the prospects to engineer novel quantum phases of matter. Here we develop a large-$N$ mean-field theory of a str
Externí odkaz:
http://arxiv.org/abs/2408.17281
This work deals with Abelian Chern-Simons vortices interacting with magnetic impurities. We compute static solutions with winding numbers zero and one. Then, we develop a numerical algorithm to simulate their collisions. Collisions between a vortex w
Externí odkaz:
http://arxiv.org/abs/2404.11694
The Kondo effect is a prototypical quantum phenomenon arising from the interaction between localized electrons in a magnetic impurity and itinerant electrons in a metallic host. Although it has served as the testing ground for quantum many-body metho
Externí odkaz:
http://arxiv.org/abs/2405.18709
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The role of self-consistency in Bogoliubov-de Gennes equations is frequently underestimated in the investigation of in-gap states created by magnetic impurities in s-wave superconductors. Our research focuses on the impact of self-consistency on the
Externí odkaz:
http://arxiv.org/abs/2402.01280
Autor:
Ansari, Md Zahid, Damle, Kedar
We study the effect of a small density $n_v$ of quenched non-magnetic impurities, i.e. vacancy disorder, in gapped short-range resonating valence bond (RVB) spin liquid states and valence bond solid (VBS) states of quantum magnets. We argue that a la
Externí odkaz:
http://arxiv.org/abs/2401.07026
Publikováno v:
Phys.Rev.Research.6.033022 (2024)
A superconductor (SC) in proximity to a ferromagnetic insulator (FMI) is predicted to exhibit mixed singlet and triplet pair correlations. The magnetic proximity effect of FMI spin-splits the energy of Bogoliubov excitations and leads to a spin polar
Externí odkaz:
http://arxiv.org/abs/2402.07184
Autor:
Li, Yantao, Dzero, Maxim
Publikováno v:
Physical Review B 109, 054520 (2024)
We study nonlinear response of conventional superconducting alloys with weak magnetic impurities to an external alternating electromagnetic field. In particular, we calculate a correction to superconducting order parameter up to the second order in e
Externí odkaz:
http://arxiv.org/abs/2311.09310