Zobrazeno 1 - 10 of 255 pro vyhledávání: '"Werner, Hanke"'
1
Akademický článek
Observation of room temperature excitons in an atomically thin topological insulator
Autor: Marcin Syperek, Raul Stühler, Armando Consiglio, Paweł Holewa, Paweł Wyborski, Łukasz Dusanowski, Felix Reis, Sven Höfling, Ronny Thomale, Werner Hanke, Ralph Claessen, Domenico Di Sante, Christian Schneider
Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-7 (2022)
Here, the authors report the observation of room temperature excitons in a single layer of bismuth atoms epitaxially grown on a SiC substrate - a material of non-trivial global topology - with excitonic and topological physics deriving from the very
Externí odkaz: https://doaj.org/article/1ac2e59141cc44bd8416f4f118143c7a
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2
Akademický článek
Electronic correlations and universal long-range scaling in kagome metals
Autor: Domenico Di Sante, Bongjae Kim, Werner Hanke, Tim Wehling, Cesare Franchini, Ronny Thomale, Giorgio Sangiovanni
Publikováno v: Physical Review Research, Vol 5, Iss 1, p L012008 (2023)
We investigate the real-space profile of effective Coulomb interactions in correlated kagome materials. By particularizing to KV_{3}Sb_{5}, Co_{3}Sn_{2}S_{2}, FeSn, and Ni_{3}In, we analyze representative cases that exhibit a large span of correlatio
Externí odkaz: https://doaj.org/article/5cb8cf103d8b41b1a0500bbe8db0f920
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6
Nature of Unconventional Pairing in the Kagome Superconductors AV3Sb5 ( A=K,Rb,Cs )
Autor: Yasir Iqbal, Werner Hanke, Tobias Müller, Ronny Thomale, Mark H. Fischer, Armando Consiglio, Tilman Schwemmer, Titus Neupert, Domenico Di Sante, Xianxin Wu, Giorgio Sangiovanni, Andreas P. Schnyder, M. Michael Denner
Publikováno v: Physical Review Letters. 127
The recent discovery of $A{\mathrm{V}}_{3}{\mathrm{Sb}}_{5}$ ($A=\mathrm{K},\mathrm{Rb},\mathrm{Cs}$) has uncovered an intriguing arena for exotic Fermi surface instabilities in a kagome metal. Among them, superconductivity is found in the vicinity o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39a9627dfaf1998e69fd5f508b529495
https://doi.org/10.1103/physrevlett.127.177001
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7
From high Tc to low Tc : Multiorbital effects in transition metal oxides
Autor: Sebastian Wolf, Xianxin Wu, Michael Klett, Stephan Rachel, Andreas Dittmaier, Tilman Schwemmer, Werner Hanke, Domenico Di Sante, Ronny Thomale, Gang Li, David Riegler
Publikováno v: Physical Review B. 104
Despite the structural resemblance of certain cuprate and nickelate parent compounds there is a striking spread of ${T}_{c}$ among such transition metal oxide superconductors. We adopt a minimal two-orbital ${e}_{g}$ model which covers cuprates and n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9b6a43bcff957d8e66bd04278d7a210
https://doi.org/10.1103/physrevb.104.l100502
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8
Akademický článek
Two-Dimensional Metallicity with a Large Spin-Orbit Splitting: DFT Calculations of the Atomic, Electronic, and Spin Structures of the Au/Ge(111)-(3×3)R30° Surface
Autor: Andrzej Fleszar, Werner Hanke
Publikováno v: Advances in Condensed Matter Physics, Vol 2015 (2015)
Density functional theory (DFT) is applied to study the atomic, electronic, and spin structures of the Au monolayer at the Ge(111) surface. It is found that the theoretically determined most stable atomic geometry is described by the conjugated honey
Externí odkaz: https://doaj.org/article/bd45074d29f645f7826a7fa82de24e62
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9
Harmonic fingerprint of unconventional superconductivity in twisted bilayer graphene
Autor: Michael Klett, Ronny Thomale, Werner Hanke, Mario Fink, Xianxin Wu
Publikováno v: Physical Review B. 101
Microscopic details such as interactions and Fermiology determine the structure of superconducting pairing beyond the spatial symmetry classification along irreducible point group representations. From the effective pairing vertex, the pairing wave f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dba38b551dbb86538381fbdc910826c
https://doi.org/10.1103/physrevb.101.134517
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10
Robust dx2−y2 -wave superconductivity of infinite-layer nickelates
Autor: Ronny Thomale, Srinivas Raghu, Werner Hanke, Tilman Schwemmer, Domenico Di Sante, Harold Y. Hwang, Xianxin Wu
Publikováno v: Physical Review B. 101
Cuprate superconductors have shaped the contemporary state of condensed matter physics. Recently, infinite-layer Nd-doped NiO${}_{2}$ nickelates have initiated a new era of unconventional superconductivity, of which this paper constitutes the first c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95956065028c3f7dfad9a0830de01590
https://doi.org/10.1103/physrevb.101.060504
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