Ultraconfined terahertz phonon polaritons in hafnium dichalcogenides
Li, N. et al. Direct observation of highly confined phonon polaritons in suspended monolayer hexagonal boron nitride. Nat.…
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}…
Ultrafast dynamics of ferroelectric polarization of NbOI2 captured with femtosecond electron diffraction
Characterization of NbOI2 nanocrystals Figure 1 a shows the crystal lattice of NbOI2. The lattice constants of NbOI2 are…
Competition between excitonic insulators and quantum Hall states in correlated electron–hole bilayers
Zeng, Y. & MacDonald, A. H. Electrically controlled two-dimensional electron-hole fluids. Phys. Rev. B 102, 085154 (2020). CAS …
Quantum oscillations in a dipolar excitonic insulator
Li, G. et al. Two-dimensional Fermi surfaces in Kondo insulator SmB6. Science 346, 1208–1212 (2014). PubMed CAS Google…
Quantum metric third-order nonlinear Hall effect in a non-centrosymmetric ferromagnet
Previous studies have shown that Fe5GeTe2 has two crystal structures27,30, one with higher symmetry in space group R\(\bar{3}\)m…
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,…
Sub-nanosecond polarization switching with anomalous kinetics in vdW ferroelectric WTe2
Characterizations of ferroelectricity in WTe2 WTe2 exhibits various crystal structures, such as 2H, 1T’, and Td. In the…
Enhancing interlayer exciton dynamics by coupling with monolithic cavities via the field-induced Stark effect
Electrically tunable cavity-coupled IXs Several TMDC combinations provide type-II alignments with IXs3,6. In our work, we chose MoSe2/WSe2…
Probing interplay of topological properties and electron correlation in TaIrTe4 via nonlinear Hall effect
The lattice structure of a few-layer TaIrTe4 is shown in Fig. 1a with a mirror plane \({M}_{\hat{{{{\rm{a}}}}}}\). As restricted…