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Tunable chiral symmetry breaking in symmetric Weyl materials
Sahal Kaushik, Evan John Philip, Jennifer Cano
Asymmetric Weyl semimetals, which possess an inherently chiral structure, have different energies and dispersion relations for left- and right-handed fermions. They exhibit certain…
A moiré superlattice on the surface of a topological insulator
Jennifer Cano, Shiang Fang, J. H. Pixley +1
Twisting van der Waals heterostructures to induce correlated many-body states provides a novel tuning mechanism in solid-state physics. In this work, we theoretically investigate t…
Chiral Approximation to Twisted Bilayer Graphene: Exact Intra-Valley Inversion Symmetry, Nodal Structure and Implications for Higher Magic Angles
Jie Wang, Yunqin Zheng, Andrew J. Millis +1
This paper presents a mathematical and numerical analysis of the flatband wavefunctions occurring in the chiral model of twisted bilayer graphene at the "magic" twist angles. We sh…
Band Engineering of Dirac Semimetals using Charge Density Waves
Shiming Lei, Samuel M. L. Teicher, Andreas Topp +13
New developments in the field of topological matter are often driven by materials discovery, including novel topological insulators, Dirac semimetals and Weyl semimetals. In the la…
Band Representations and Topological Quantum Chemistry
Jennifer Cano, Barry Bradlyn
In this article, we provide a pedagogical review of the theory of topological quantum chemistry and topological crystalline insulators. We begin with an overview of the properties…
The role of delocalized chemical bonding in square-net-based topological semimetals
Sebastian Klemenz, Aurland K. Hay, Samuel M. L. Teicher +3
Principles that predict reactions or properties of materials define the discipline of chemistry. In this work we derive chemical rules, based on atomic distances and chemical bond…