Ultrafast decoupling of polarization and strain in ferroelectric BaTiO3
Photoinduced structural dynamics Our sample consists of a coherently strained, monodomain BaTiO3 (BTO) thin film, grown on a…
Néel spin-orbit torque in antiferromagnetic quantum spin and anomalous Hall insulators
Formalism We extend the Kane-Mele model by including a collinear AFM order which is exchange coupled to the…
Noncollinear harmonic spectroscopy reveals crossover of strong-field effects
Figure 1a illustrates the generation of ultrahigh order wave-mixing photons resulting from the superposition of an intense fundamental field…
Universality in quantum critical flow of charge and heat in ultraclean graphene
Levitov, L. & Falkovich, G. Electron viscosity, current vortices and negative nonlocal resistance in graphene. Nat. Phys. 12,…
Strongly interacting Hofstadter states in magic-angle twisted bilayer graphene
Hofstadter, D. R. Energy levels and wave functions of Bloch electrons in rational and irrational magnetic fields. Phys.…
Milli-Tesla quantization enabled by tuneable Coulomb screening in large-angle twisted graphene
Figure 1a shows one of our large-angle twisted bilayer graphene (LATBG) devices with a twist angle of \(\theta \sim…
Angle-tuned Gross-Neveu quantum criticality in twisted bilayer graphene
Continuum model of TBG The schematic twist of graphene Brillouin zone and the consequent moiré Brillouin zone are…
Frustrated electron hopping from the orbital configuration in a two-dimensional lattice
Stewart, G. R. Heavy-fermion systems. Rev. Mod. Phys. 56, 755–787 (1984). ADS Google Scholar Bergman, D. L., Wu,…
Pressure tuning of Kitaev spin liquid candidate Na3Co2SbO6
Kitaev, A. Anyons in an exactly solved model and beyond. Ann. Phys. 321, 2–111 (2006). MathSciNet Google Scholar …
Room temperature quantum metric effect in TbMn6Sn6
Modifying the crystal symmetry in a quantum material is one of the most important routes to manifesting sizeable…
High-temperature quantum coherence of spinons in a rare-earth spin chain
Connecting theory and experiment While spin-1/2 chains in magnetic crystals have been studied in the past31,32,33,34, to our…