Bosonic Pfaffian state in the Hofstadter-Bose-Hubbard model
F. A. Palm, M. Buser, J. Léonard, M. Aidelsburger, U. Schollwöck, and F. Grusdt
Phys. Rev. B 103, L161101 (2021) - Published 5 April, 2021
Casimir and electrostatic forces from thin films of varying thickness
Z. Babamahdi, V. B. Svetovoy, D. T. Yimam, B. J. Kooi, T. Banerjee, J. Moon, S. Oh, M. Enache, M. Stöhr, and G. Palasantzas
Phys. Rev. B 103, L161102 (2021) - Published 7 April, 2021
Magnetotransport in semiconductors and two-dimensional materials from first principles
Dhruv C. Desai, Bahdan Zviazhynski, Jin-Jian Zhou, and Marco Bernardi
Phys. Rev. B 103, L161103 (2021) - Published 7 April, 2021
Studies of transport in magnetic fields are key for research in semiconductors and quantum materials. However, accurately predicting magnetotransport phenomena and the microscopic mechanisms governing them remains challenging. Here, the authors develop an approach to solve numerically the electron Boltzmann equation in a magnetic field using first-principles electron-phonon interactions. The magnetoresistance, Hall coefficient, and Hall factor of various semiconductors and two-dimensional materials are accurately predicted. These advances extend the scope of first-principles studies of transport to include applied magnetic fields.
Vertex function compliant with the Ward identity for quasiparticle self-consistent calculations beyond
Alexey Tal, Wei Chen, and Alfredo Pasquarello
Phys. Rev. B 103, L161104 (2021) - Published 8 April, 2021
Colossal magnetoresistance via avoiding fully polarized magnetization in the ferrimagnetic insulator
Yifei Ni, Hengdi Zhao, Yu Zhang, Bing Hu, Itamar Kimchi, and Gang Cao
Phys. Rev. B 103, L161105 (2021) - Published 14 April, 2021
Magnetic polarization reduces spin scattering and underpins colossal magnetoresistance (CMR) in the manganites and almost all other CMR materials. In sharp contrast, the observed CMR in the ferrimagnetic insulator MnSiTe, which features a resistivity drop by an astonishing seven orders of magnitude, emerges only when the fully polarized magnetization is avoided. This intriguing type of electrical transport fits no existing theoretical models, providing a new paradigm for studying CMR and its applications.
Light-induced switching of magnetic order in the anisotropic triangular-lattice Hubbard model
Hayato Kobayashi, Ryo Fujiuchi, Koudai Sugimoto, and Yukinori Ohta
Phys. Rev. B 103, L161106 (2021) - Published 14 April, 2021
Profiling spin and orbital texture of a topological insulator in full momentum space
H. Bentmann, H. Maaß, J. Braun, C. Seibel, K. A. Kokh, O. E. Tereshchenko, S. Schreyeck, K. Brunner, L. W. Molenkamp, K. Miyamoto, M. Arita, K. Shimada, T. Okuda, J. Kirschner, C. Tusche, H. Ebert, J. Minár, and F. Reinert
Phys. Rev. B 103, L161107 (2021) - Published 15 April, 2021
Double Dirac nodal line semimetal with a torus surface state
Xiao-Ping Li, Botao Fu, Da-Shuai Ma, Chaoxi Cui, Zhi-Ming Yu, and Yugui Yao
Phys. Rev. B 103, L161109 (2021) - Published 22 April, 2021
Fractional chiral hinge insulator
Anna Hackenbroich, Ana Hudomal, Norbert Schuch, B. Andrei Bernevig, and Nicolas Regnault
Phys. Rev. B 103, L161110 (2021) - Published 23 April, 2021
The recent theoretical and experimental discovery of higher-order topological insulators raises the question whether the interplay of this new topology and strong interactions could lead to a three-dimensional generalization of the fractional quantum Hall effect. The authors answer this question here using a model wavefunction ansatz and Monte Carlo simulations. They show that this interplay leads to fractional chiral hinge modes, similar to the Laughlin physics. Surprisingly, these results indicate a clear departure from conventional two-dimensional topological order on the gapped surfaces, akin to half a Laughlin state.
Ingredients for enhanced thermoelectric power at cryotemperatures in the correlated semiconductor CoSbS revealed by its optical response
R. Yang, M. Corasaniti, L. Wu, Q. Du, Y. Zhu, C. Petrovic, and L. Degiorgi
Phys. Rev. B 103, L161111 (2021) - Published 23 April, 2021
Emergence of charge loop current in the geometrically frustrated Hubbard model: A functional renormalization group study
Rina Tazai, Youichi Yamakawa, and Hiroshi Kontani
Phys. Rev. B 103, L161112 (2021) - Published 28 April, 2021
Three-dimensional time reversal invariant topological superconductivity in doped chiral topological semimetals
Yingyi Huang and Shao-Kai Jian
Phys. Rev. B 103, L161113 (2021) - Published 30 April, 2021





