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Quantized nonlinear Hall effect from chiral monopole
Nikolai Peshcherenko, Claudia Felser, Yang Zhang
Nonlinear Hall effect arises in materials without inversion symmetry, and the intrinsic contribution is typically from Berry curvature dipole of non-universal Fermi pockets. Here w…
Transfer learning relaxation, electronic structure and continuum model for twisted bilayer MoTe
Ning Mao, Cheng Xu, Jiangxu Li +6
Large-scale moiré systems are extraordinarily sensitive, with even minute atomic shifts leading to significant changes in electronic structures. Here, we investigate the lattice re…
PbCu(PO4)(OH): Phonon bands, Localized Flat Band Magnetism, Models, and Chemical Analysis
Yi Jiang, Scott B. Lee, Jonah Herzog-Arbeitman +12
In a series of recent reports, doped lead apatite (LK-99) has been proposed as a candidate ambient temperature and pressure superconductor. However, from both an experimental and t…
Giant spin-charge conversion in ultrathin films of the MnPtSb half-Heusler compound
E. Longo, A. Markou, C. Felser +6
Half-metallic half-Heusler compounds with strong spin-orbit-coupling and broken inversion symmetry in their crystal structure are promising materials for generating and absorbing s…
Robust anomalous Hall effect in ferromagnetic metal under high pressure
Lingling Gao, Junwen Lai, Dong Chen +11
Recently, the giant intrinsic anomalous Hall effect (AHE) has been observed in the materials with kagome lattice. In this study, we systematically investigate the influence of high…
Monopole-like orbital-momentum locking and the induced orbital transport in topological chiral semimetals
Qun Yang, Jiewen Xiao, Iñigo Robredo +3
The interplay between chirality and topology nurtures many exotic electronic properties. For instance, topological chiral semimetals display multifold chiral fermions that manifest…
Vortex phase diagram of kagome superconductor CsVSb
Xinyang Zhang, Mark Zic, Dong Chen +4
The screening response of vortices in kagome superconductor CsVSb was measured using the ac mutual inductance technique. Besides confirming the absence of gapless quasipart…
Distinct switching of chiral transport in the kagome metals KVSb and CsVSb
Chunyu Guo, Maarten R. van Delft, Martin Gutierrez-Amigo +10
The kagome metals AVSb (A=K,Rb,Cs) present an ideal sandbox to study the interrelation between multiple coexisting correlated phases such as charge order and superconductiv…
Kagome Materials I: SG 191, ScVSn. Flat Phonon Soft Modes and Unconventional CDW Formation: Microscopic and Effective Theory
Haoyu Hu, Yi Jiang, Dumitru Călugăru +6
Kagome Materials with flat bands exhibit wildly different physical properties depending on symmetry group, and electron number. For the case of ScVSn in space group 191, we…
Optically controlling the competition between spin flips and intersite spin transfer in a Heusler half-metal on sub-100 fs timescales
Sinéad A. Ryan, Peter C. Johnsen, Mohamed F. Elhanoty +10
The direct manipulation of spins via light may provide a path toward ultrafast energy-efficient devices. However, distinguishing the microscopic processes that can occur during ult…
Quantum oscillations revealing topological band in kagome metal ScV6Sn6
Changjiang Yi, Xiaolong Feng, Ning Mao +5
Compounds with kagome lattice structure are known to exhibit Dirac cones, flat bands, and van Hove singularities, which host numerous versatile quantum phenomena. Inspired by these…
Softening of a flat phonon mode in the kagome ScVSn
A. Korshunov, H. Hu, D. Subires +16
The long range electronic modulations recently discovered in the geometrically frustrated kagome lattice have opened new avenues to explore the effect of correlations in materials…
Correlated order at the tipping point in the kagome metal CsVSb
Chunyu Guo, Glenn Wagner, Carsten Putzke +10
Spontaneously broken symmetries are at the heart of many phenomena of quantum matter and physics more generally. However, determining the exact symmetries broken can be challenging…
Giant phonon softening and avoided crossing in aliovalence-doped heavy-band thermoelectrics
Shen Han, Shengnan Dai, Jie Ma +12
Aliovalent doping has been adopted to optimize the electrical properties of semiconductors, while its impact on the phonon structure and propagation is seldom paid proper attention…
Reply to: Low-frequency quantum oscillations in LaRhIn: Dirac point or nodal line?
Chunyu Guo, A. Alexandradinata, Carsten Putzke +16
We thank G.P. Mikitik and Yu.V. Sharlai for contributing this note and the cordial exchange about it. First and foremost, we note that the aim of our paper is to report a methodolo…
Visualizing near-coexistence of massless Dirac electrons and ultra-massive saddle point electrons
Abhay Kumar Nayak, Jonathan Reiner, Hengxin Tan +8
Strong singularities in the electronic density of states amplify correlation effects and play a key role in determining the ordering instabilities in various materials. Recently hi…
Helicity-dependent Ultrafast Photocurrents in Weyl Magnet MnSn
Dominik Hamara, Gunnar F. Lange, Farhan Nur Kholid +4
We present an optical pump-THz emission study on non-collinear antiferromagnet MnSn. We show that MnSn acts as a source of THz radiation when irradiated by femtosecond lase…
Photon condensation, Van Vleck paramagnetism, and chiral cavities
Alberto Mercurio, Gian Marcello Andolina, Francesco M. D. Pellegrino +6
We introduce a gauge-invariant model of planar, square molecules coupled to a quantized spatially-varying cavity electromagnetic vector potential A(r). Specifically, we choose a te…