Evidence for three-dimensional Dirac conical bands in TlBiSSe by optical and magneto-optical spectroscopy
F. Le Mardelé, J. Wyzula, I. Mohelsky, S. Nasrallah, M. Loh, S. Ben David, O. Toledano, D. Tolj, M. Novak, G. Eguchi, S. Paschen, N. Barišić, J. Chen, A. Kimura, M. Orlita, Z. Rukelj, Ana Akrap, and D. Santos-Cottin
Phys. Rev. B 107, L241101 (2023) - Published 1 June, 2023
TlBiSSe is a 3D Dirac semimetal that exists at the interface between a topological insulator, TlBiS, and a trivial insulator, TlBiSe. It is one of the few systems with an ideal band structure, exhibiting only conical dispersive bands over almost half an electronvolt. Here, the authors find a rare unequivocal signature of a 3D Dirac cone in its optical and magneto-optical properties, achieved by carefully controlled synthesis that places the Fermi level very close to the Dirac point.
Quantum transport anomalies in dispersionless quantum states
Alexander Kruchkov
Phys. Rev. B 107, L241102 (2023) - Published 12 June, 2023
Phase transitions and spin state of iron in FeO under the conditions of Earth's deep interior
E. Greenberg, R. Nazarov, A. Landa, J. Ying, R. Q. Hood, B. Hen, R. Jeanloz, V. B. Prakapenka, V. V. Struzhkin, G. Kh. Rozenberg, and I. V. Leonov
Phys. Rev. B 107, L241103 (2023) - Published 12 June, 2023
Iron oxide (FeO) serves as a model constituent of Earth-like planetary interiors, reflecting the distinctive high-pressure chemistry of their cores and rocky mantles. Under pressure it undergoes crystal structural transitions and metallization, accompanied by a local-moment collapse of Fe ions. Here, the experiments and theoretical calculations characterize the complex interplay between electron states and structural phases, resulting in a rich phase diagram and revealing the existence of a metallic high-spin state of iron at the conditions near those of Earth’s core-mantle boundary.
Dissipative symmetry-protected topological order
Luan M. Veríssimo, Marcelo L. Lyra, and Román Orús
Phys. Rev. B 107, L241104 (2023) - Published 20 June, 2023
Polynomial sign problem and topological Mott insulator in twisted bilayer graphene
Xu Zhang, Gaopei Pan, Bin-Bin Chen, Heqiu Li, Kai Sun, and Zi Yang Meng
Phys. Rev. B 107, L241105 (2023) - Published 20 June, 2023
Temperature-pressure phase diagram of the intrinsically insulating topological antiferromagnet
Xuliang Chen (陈绪亮), Shuyang Wang, Jing Wang, Chao An, Ying Zhou, Zheng Chen, Xiangde Zhu, Yonghui Zhou, Zhaorong Yang, and Mingliang Tian
Phys. Rev. B 107, L241106 (2023) - Published 26 June, 2023
Nonlinear phonon Hall effects in ferroelectrics: Existence and nonvolatile electrical control
Wei Luo, Junyi Ji, Peng Chen, Yang Xu, Lifa Zhang, Hongjun Xiang, and Laurent Bellaiche
Phys. Rev. B 107, L241107 (2023) - Published 26 June, 2023
Doping asymmetry in the three-band Hamiltonian for cuprate ladders: Failure of the standard model of superconductivity in cuprates
Jeong-Pil Song, Sumit Mazumdar, and R. Torsten Clay
Phys. Rev. B 107, L241108 (2023) - Published 27 June, 2023
Magnetic breakdown and chiral magnetic effect at Weyl-semimetal tunnel junctions
Adam Yanis Chaou, Vatsal Dwivedi, and Maxim Breitkreiz
Phys. Rev. B 107, L241109 (2023) - Published 29 June, 2023











