Recent discoveries of Mott insulating and unconventional superconducting states in twisted
bilayer graphene with moiré superlattices have not only reshaped the landscape of …

The concept of topological energy bands and their manifestations have been demonstrated
in condensed matter systems as a fantastic paradigm toward unprecedented physical …

Abstract Two-dimensional (2D) transition metal dichalcogenide (TMDC) materials, such as
MoS 2, WS 2, MoSe 2, and WSe 2, have received extensive attention in the past decade due …

Polaritons are a hybrid class of quasiparticles originating from the strong and resonant
coupling between light and matter excitations. Recent years have witnessed a surge of …

The novel physics of twisted bilayer graphene has motivated extensive studies of magic-
angle flat bands hosted by moiré structures in electronic, photonic, and acoustic systems. On …

Moiré superlattices—twisted van der Waals (vdW) structures with small angles—are
attracting increasing attention in condensed matter physics, due to important phenomena …

Surface acoustic waves (SAWs) are elastic waves propagating on the surface of solids with
the amplitude decaying into the solid. The well-established fabrication of compact SAW …

Twisted moiré materials, a new class of layered structures with different twist angles for
neighboring layers, are attracting great attention because of the rich intriguing physical …

Twisted bilayer graphene develops quasiflat bands at specific “magic” interlayer rotation
angles through an unconventional mechanism connected to carrier chirality. Quasiflat bands …

Drawing inspiration from bilayer graphene, this paper introduces its photonic analog
comprising two stacked graphenelike photonic crystals that are coupled in the near field …