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Complex magnetic phases enriched by charge density waves in topological semimetals GdSb_xTe_{2-x-δ}
Shiming Lei, Audrey Saltzman, Leslie M. Schoop
The interplay of crystal symmetry, magnetism, band topology and electronic correlation can be the origin of quantum phase transitions in condensed matter. Particularly, square-latt…
Landau Quantization and Highly Mobile Fermions in an Insulator
Pengjie Wang, Guo Yu, Yanyu Jia +9
In strongly correlated materials, quasiparticle excitations can carry fractional quantum numbers. An intriguing possibility is the formation of fractionalized, charge-neutral fermi…
Quasiparticle interference observation of the topologically non-trivial drumhead surface state in ZrSiTe
B. A. Stuart, Seokhwan Choi, Jisun Kim +6
Drumhead surface states that link together loops of nodal lines arise in Dirac nodal-line semimetals as a consequence of the topologically non-trivial band crossings. We used low-t…
Determination of the Fermi surface and field-induced quasi-particle tunneling around the Dirac nodal-loop in ZrSiS
C. S. A. Müller, T. Khouri, M. R. van Delft +8
Unambiguous and complete determination of the Fermi surface is a primary step in understanding the electronic properties of topical metals and semi-metals, but only in a relatively…
Dirac Fermions and Possible Weak Antilocalization in LaCuSb
J. R. Chamorro, A. Topp, Y. Fang +7
Layered heavy-metal square-lattice compounds have recently emerged as potential Dirac fermion materials due to bonding within those sublattices. We report quantum transport and spe…