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1

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Topological surface state of $α−\mathrm{Sn}$ on InSb(001) as studied by photoemission (2018)

M. R. Scholz, V. A. Rogalev, L. Dudy, F. Reis, F. Adler, J. Aulbach, L. J. Collins-Mc; Intyre, L. B. Duffy, H. F. Yang, Y. L. Chen, T. Hesjedal, Z. K. Liu, M. Hoesch, S. Muff, J. H. Dil, J. Schäfer, and R. Claessen

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-02-02

Beschreibung: Author(s): M. R. Scholz, V. A. Rogalev, L. Dudy, F. Reis, F. Adler, J. Aulbach, L. J. Collins-McIntyre, L. B. Duffy, H. F. Yang, Y. L. Chen, T. Hesjedal, Z. K. Liu, M. Hoesch, S. Muff, J. H. Dil, J. Schäfer, and R. Claessen We report on the electronic structure of the elemental topological semimetal α − Sn on InSb(001). High-resolution angle-resolved photoemission data allow us to observe the topological surface state (TSS) that is degenerate with the bulk band structure and show that the former is unaffected by differen... [Phys. Rev. B 97, 075101] Published Thu Feb 01, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

Print ISSN: 1098-0121

Digitale ISSN: 1095-3795

Thema: Physik

Publiziert von American Physical Society (APS)

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2

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Revealing the hidden order in ${\mathrm{BaTi}}_{2}{\mathrm{As}}_{2}\mathrm{O}$ via nuclear magnetic resonance (2018)

D. W. Song, J. Li, D. Zhao, L. K. Ma, L. X. Zheng, S. J. Li, L. P. Nie, X. G. Luo, Z. P. Yin, T. Wu, and X. H. Chen

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-12-21

Beschreibung: Author(s): D. W. Song, J. Li, D. Zhao, L. K. Ma, L. X. Zheng, S. J. Li, L. P. Nie, X. G. Luo, Z. P. Yin, T. Wu, and X. H. Chen In low-dimensional metallic systems, lattice distortion is usually coupled to a density-wave-like electronic instability due to Fermi-surface nesting (FSN) and strong electron-phonon coupling [M. D. Johannes and I. I. Mazin, Phys. Rev. B 77 , 165135 (2008) ]. However, the ordering of other electronic ... [Phys. Rev. B 98, 235142] Published Thu Dec 20, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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Thema: Physik

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3

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Coherent and incoherent bands in La and Rh doped ${\mathrm{Sr}}_{3}{\mathrm{Ir}}_{2}{\mathrm{O}}_{7}$ (2018)

V. Brouet, L. Serrier-Garcia, A. Louat, L. Fruchter, F. Bertran, P. Le Fèvre, J. Rault, A. Forget, and D. Colson

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-12-04

Beschreibung: Author(s): V. Brouet, L. Serrier-Garcia, A. Louat, L. Fruchter, F. Bertran, P. Le Fèvre, J. Rault, A. Forget, and D. Colson In Sr 2 IrO 4 and Sr 3 Ir 2 O 7 , correlations, magnetism, and spin-orbit coupling compete on similar energy scales, creating a new context to study metal-insulator transitions (MIT). We use here angle-resolved photoemission to investigate the MIT as a function of hole and electron doping in Sr 3 Ir 2 O 7 , obtain... [Phys. Rev. B 98, 235101] Published Mon Dec 03, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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Anomalous behavior of the electronic structure of (${\mathrm{Bi}}_{1−x}{\mathrm{In}}_{x}{)}_{2}{\mathrm{Se}}_{3}$ across the quantum phase transition from topological to trivial insulator (2018)

J. Sánchez-Barriga, I. Aguilera, L. V. Yashina, D. Y. Tsukanova, F. Freyse, A. N. Chaika, C. Callaert, A. M. Abakumov, J. Hadermann, A. Varykhalov, E. D. L. Rienks, G. Bihlmayer, S. Blügel, and O. Rader

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-12-06

Beschreibung: Author(s): J. Sánchez-Barriga, I. Aguilera, L. V. Yashina, D. Y. Tsukanova, F. Freyse, A. N. Chaika, C. Callaert, A. M. Abakumov, J. Hadermann, A. Varykhalov, E. D. L. Rienks, G. Bihlmayer, S. Blügel, and O. Rader The authors investigate the electronic and spin structure of topological surface states across a topological quantum phase transition. They find a surface band gap opening at the Dirac point of the topological surface states, giving rise to massive fermions with nonzero spin polarization on both sides of the phase transition. A mechanism of bulk-mediated scattering processes that increase with decreasing spin-orbit coupling strength is proposed as an explanation for the problem of the unconventional transformation between spin Dirac phases. [Phys. Rev. B 98, 235110] Published Wed Dec 05, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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5

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Enhancement of spin-orbit coupling at manganite surfaces (2018)

S. Valencia, M. J. Calderón, L. López-Mir, Z. Konstantinovic, E. Schierle, E. Weschke, L. Brey, B. Martínez, and Ll. Balcells

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-09-25

Beschreibung: Author(s): S. Valencia, M. J. Calderón, L. López-Mir, Z. Konstantinovic, E. Schierle, E. Weschke, L. Brey, B. Martínez, and Ll. Balcells Spin-orbit coupling in magnetic systems lacking inversion symmetry can give rise to nontrivial spin textures. Magnetic thin films and heterostructures are potential candidates for the formation of skyrmions and other noncollinear spin configurations as inversion symmetry is inherently lost at their ... [Phys. Rev. B 98, 115142] Published Mon Sep 24, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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6

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A. Östlin, L. Vitos, and L. Chioncel

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-12-18

Beschreibung: Author(s): A. Östlin, L. Vitos, and L. Chioncel We introduce a computational scheme for calculating the electronic structure of random alloys that includes electronic correlations within the framework of the combined density functional and dynamical mean-field theory. By making use of the particularly simple parametrization of the electron Green'... [Phys. Rev. B 98, 235135] Published Mon Dec 17, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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7

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Critical filling factor for the formation of a quantum Wigner crystal screened by a nearby layer (2018)

H. Deng, L. W. Engel, L. N. Pfeiffer, K. W. West, K. W. Baldwin, and M. Shayegan

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-08-17

Beschreibung: Author(s): H. Deng, L. W. Engel, L. N. Pfeiffer, K. W. West, K. W. Baldwin, and M. Shayegan One of the most fascinating ground states of an interacting electron system is the so-called Wigner crystal where the electrons, in order to minimize their repulsive Coulomb energy, form an ordered array. Here, we report measurements of the critical filling factor ( ν C ) below which a magnetic-field-i... [Phys. Rev. B 98, 081111(R)] Published Thu Aug 16, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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8

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Two-dimensional type-II Dirac fermions in a $\mathrm{LaAl}{\mathrm{O}}_{3}/\mathrm{LaNi}{\mathrm{O}}_{3}/\mathrm{LaAl}{\mathrm{O}}_{3}$ quantum well (2018)

L. L. Tao and Evgeny Y. Tsymbal

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-09-05

Beschreibung: Author(s): L. L. Tao and Evgeny Y. Tsymbal The type-II Dirac fermions that are characterized by a tilted Dirac cone and anisotropic magnetotransport properties have been recently proposed theoretically and confirmed experimentally. Here, we predict the emergence of two-dimensional (2D) type-II Dirac fermions in LaAl O 3 / LaNi O 3 / LaAl O 3 quantum-w... [Phys. Rev. B 98, 121102(R)] Published Tue Sep 04, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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Anomalous quantum critical spin dynamics in ${\mathrm{YFe}}_{2}{\mathrm{Al}}_{10}$ (2018)

K. Huang, C. Tan, J. Zhang, Z. Ding, D. E. Mac; Laughlin, O. O. Bernal, P.-C. Ho, C. Baines, L. S. Wu, M. C. Aronson, and L. Shu

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-04-06

Beschreibung: Author(s): K. Huang, C. Tan, J. Zhang, Z. Ding, D. E. MacLaughlin, O. O. Bernal, P.-C. Ho, C. Baines, L. S. Wu, M. C. Aronson, and L. Shu We report results of a muon spin relaxation ( μ SR ) study of YFe 2 Al 10 , a quasi-two-dimensional (2D) nearly ferromagnetic metal in which unconventional quantum critical behavior is observed. No static Fe 2 + magnetism, with or without long-range order, is found down to 19 mK. The dynamic muon spin relaxa... [Phys. Rev. B 97, 155110] Published Thu Apr 05, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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Quenched dynamics and spin-charge separation in an interacting topological lattice (2018)

L. Barbiero, L. Santos, and N. Goldman

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2018-05-30

Beschreibung: Author(s): L. Barbiero, L. Santos, and N. Goldman We analyze the static and dynamical properties of a one-dimensional topological lattice, the fermionic Su-Schrieffer-Heeger model, in the presence of on-site interactions. Based on a study of charge and spin correlation functions, we elucidate the nature of the topological edge modes, which, dependi... [Phys. Rev. B 97, 201115(R)] Published Tue May 29, 2018

Schlagwort(e): Electronic structure and strongly correlated systems

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