Absence of strong localization at low conductivity in the topological surface state of low-disorder
Ilan T. Rosen, Indra Yudhistira, Gargee Sharma, Maryam Salehi, M. A. Kastner, Seongshik Oh, Shaffique Adam, and David Goldhaber-Gordon
Phys. Rev. B 99, 201101(R) (2019) - Published 2 May, 2019
Band inversion driven by electronic correlations at the (111) interface
A. M. R. V. L. Monteiro, M. Vivek, D. J. Groenendijk, P. Bruneel, I. Leermakers, U. Zeitler, M. Gabay, and A. D. Caviglia
Phys. Rev. B 99, 201102(R) (2019) - Published 7 May, 2019
Anatomy of skin modes and topology in non-Hermitian systems
Ching Hua Lee and Ronny Thomale
Phys. Rev. B 99, 201103(R) (2019) - Published 8 May, 2019
Non-Hermitian systems can exhibit a counterintuitive phenomenon where a single local boundary or disorder modifies the entire spectrum, no matter how large the system is. In such cases, all bulk modes become localized “skin” modes, and usual bulk topological invariants no longer correctly predict topological boundary modes. Generalizing Laughlin’s gauge argument to complex fluxes, the authors derive a geometrical approach for the exact determination of the skin-mode spectrum. They also devise a new topological criterion for non-Hermitian particle-hole symmetric Hamiltonians based on complex analysis.
Quantum atmospherics for materials diagnosis
Qing-Dong Jiang and Frank Wilczek
Phys. Rev. B 99, 201104(R) (2019) - Published 10 May, 2019
Weyl points created by a three-dimensional flat band
Yinong Zhou, Kyung-Hwan Jin, Huaqing Huang, Zhengfei Wang, and Feng Liu
Phys. Rev. B 99, 201105(R) (2019) - Published 13 May, 2019
Triplet superconductivity in the Dirac semimetal germanene on a substrate
Domenico Di Sante, Xianxin Wu, Mario Fink, Werner Hanke, and Ronny Thomale
Phys. Rev. B 99, 201106(R) (2019) - Published 13 May, 2019
Nodal arc of disordered Dirac fermions and non-Hermitian band theory
Michał Papaj, Hiroki Isobe, and Liang Fu
Phys. Rev. B 99, 201107(R) (2019) - Published 15 May, 2019
Disordered Dirac fermions have been studied in a variety of contexts, including quantum Hall transitions, surface states of topological insulators, and graphene. Here, the authors study a new Dirac system in which the two components of the Dirac fermion are unrelated by symmetry and, hence, disorder results in two different quasiparticle lifetimes. It is demonstrated that disorder generates a nodal arc replacing the original Dirac point, thus leading to a new universality class.
Exciton condensation in quantum Hall bilayers at total filling
Zheng Zhu, Shao-Kai Jian, and D. N. Sheng
Phys. Rev. B 99, 201108(R) (2019) - Published 20 May, 2019
Quantum Hall bilayers have proven to be an inexhaustible platform for emerging exotic states and novel phase transitions in the strongly correlated arena. Here, the authors study coupled quantum Hall bilayers at half-filled first excited Landau levels by varying the layer distance. The authors find a continuous transition between the exciton superfluid phase and two copies of the Moore-Read state. This transition breaks symmetry and changes topology simultaneously, providing an exotic example of a quantum phase transition beyond the Landau paradigm.
Kondo-lattice ferromagnets and their peculiar order along the magnetically hard axis determined by the crystalline electric field
D. Hafner, Binod K. Rai, J. Banda, K. Kliemt, C. Krellner, J. Sichelschmidt, E. Morosan, C. Geibel, and M. Brando
Phys. Rev. B 99, 201109(R) (2019) - Published 22 May, 2019
Dual topological nodal line and nonsymmorphic Dirac semimetal in three dimensions
Yun-Tak Oh, Hong-Guk Min, and Youngkuk Kim
Phys. Rev. B 99, 201110(R) (2019) - Published 23 May, 2019
Electron bubbles and the structure of the orbital wave function
Dohyung Ro, N. Deng, J. D. Watson, M. J. Manfra, L. N. Pfeiffer, K. W. West, and G. A. Csáthy
Phys. Rev. B 99, 201111(R) (2019) - Published 28 May, 2019
Anomalous lattice contraction and emergent electronic phases in Bi-doped
Prachi Telang, Kshiti Mishra, Giacomo Prando, A. K. Sood, and Surjeet Singh
Phys. Rev. B 99, 201112(R) (2019) - Published 30 May, 2019
From quantum wires to the Chern-Simons description of the fractional quantum Hall effect
Weslei B. Fontana, Pedro R. S. Gomes, and Carlos A. Hernaski
Phys. Rev. B 99, 201113(R) (2019) - Published 31 May, 2019
Adjustable potential probes for band-gap predictions of extended systems through nonempirical hybrid functionals
Thomas Bischoff, Igor Reshetnyak, and Alfredo Pasquarello
Phys. Rev. B 99, 201114(R) (2019) - Published 31 May, 2019












