Analogue speech recognition based on physical computing
RNPU fabrication and room-temperature operation A lightly n-doped silicon wafer (resistivity ρ ≈ 5 Ω cm) is cleaned and heated for 4 h…
Observation of the Yamaji effect in a cuprate superconductor
Keimer, B., Kivelson, S. A., Norman, M. R., Uchida, S. & Zaanen, J. From quantum matter to high-temperature…
Friedel oscillations and chiral superconductivity in monolayer NbSe2
We consider the low-energy Hamiltonian for the metallic bands of monolayer NbSe2 $$\hat{H}={\sum} _{{{\bf{k}}},\sigma }{\xi }_{{{\bf{k}}},\sigma }{\hat{c}}_{{{\bf{k}}},\sigma }^{{\dagger}…
Origin and stability of generalized Wigner crystallinity in triangular moiré systems
Classical phase diagram and competing charge-ordered states To develop an intuition for the GWC problem, we first construct…
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,…
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 …