Weyl and Dirac semimetals are three-dimensional phases of matter with gapless electronic
excitations that are protected by topology and symmetry. As three-dimensional analogs of …

Topological insulator (TI), a promising quantum and semiconductor material, has gapless
surface state and narrow bulk band gap. Firstly, the properties, classifications and …

The discovery of the quantum Hall effect (QHE), in two-dimensional electronic systems has
given topology a central role in condensed matter physics. Although the possibility of …

We propose the use of three-dimensional Dirac materials as targets for direct detection of
sub-MeV dark matter. Dirac materials are characterized by a linear dispersion for low-energy …

High-pressure chemistry is known to inspire the creation of unexpected new classes of
compounds with exceptional properties. Here, we employ the laser-heated diamond anvil …

The topological materials have attracted much attention for their unique electronic structure
and peculiar physical properties. ZrTe5 has host a long-standing puzzle on its anomalous …

Dirac semimetals have attracted extensive attentions in recent years. It has been
theoretically suggested that many-body interactions may drive exotic phase transitions …

We present an infrared spectroscopy study of ZrTe 5, which confirms a recent theoretical
proposal that this material exhibits a temperature-driven topological quantum phase …

Recently, giant planar Hall effect originating from chiral anomaly has been predicted in
nonmagnetic Dirac/Weyl semimetals. ZrT e 5 is considered to be an intriguing Dirac …

The pentatellurides ZrTe 5 and HfTe 5 are layered compounds with one-dimensional
transition-metal chains that show a not-yet-understood temperature-dependent transition in …