170 citations · 236 across the 30 of their papers we have counts for
30 papers
Surface-switchable nonreciprocity protected by Fermi arcs in Weyl semimetal TaAs
Dong Li, Yuki M. Itahashi, Ying-Ming Xie +12
Weyl semimetals host topologically protected surface states, known as Fermi arcs, which connect bulk Weyl nodes in momentum space. Both bulk Weyl nodes and Fermi arcs are anticipat…
Quantum Fisher information in many-photon states from shift current shot noise
Evgenii Barts, Takahiro Morimoto, Naoto Nagaosa
Quantum Fisher information (QFI) sets the ultimate precision of optical phase measurements and reveals multiphoton entanglement, but it is not accessible with conventional photodet…
Phase-Space Quantum Geometry Beyond Adiabatic Electron Dynamics
Luca Maranzana, Koki Shinada, Ying-Ming Xie +2
The geometry of electronic quantum states plays an important role in the equilibrium and transport properties of solids. While the Berry curvature is known to influence electron mo…
Riemannian geometric classification and emergent phenomena of magnetic textures
Koki Shinada, Naoto Nagaosa
We propose a new classification of magnetic textures from the viewpoint of differential geometry. Magnetic textures are conventionally classified into collinear, coplanar, and nonc…
Theory of Little-Parks oscillations by vortices in two-dimensional superconductors
Ying-Ming Xie, Naoto Nagaosa
The Little-Parks (LP) effect is a quantum phenomenon in which the superconducting transition temperature of a superconducting cylinder (or ring) oscillates periodically as a functi…
Role of Ward-Takahashi identity in an electron-phonon coupled system -- Revisiting phonon shift current
Takahiro Morimoto, Naoto Nagaosa
We study bulk photovoltaic effects in electron-phonon coupled systems. The conservation of current or gauge invariance, manifested as the Ward-Takahashi identity, plays an essentia…
Quantum Geometry Phenomena in Condensed Matter Systems
Anyuan Gao, Naoto Nagaosa, Ni Ni +1
Quantum geometry, which describes the geometry of Bloch wavefunctions in solids, has become a cornerstone of modern quantum condensed matter physics. The quantum geometrical tensor…
Floquet spin textures in optically pumped non-Hermitian surface states
Xiao-Xiao Zhang, Naoto Nagaosa
Optical effects of quantum matter with interaction are key to physics and technology. The class of non-Hermitian (NH) phenomena is mostly explored in cold atoms, photonics, and met…
Polarons with arbitrary nonlinear electron-phonon interaction
Stefano Ragni, Tomislav Miškić, Thomas Hahn +5
We develop an exact computational method based on numerical X-propagators for solving polaron models with arbitrary nonlinear couplings of local vibration modes to the electron den…
Wavefunction-Free Approach for Predicting Nonlinear Responses in Weyl Semimetals
Mohammad Yahyavi, Ilya Belopolski, Yuanjun Jin +15
By sidestepping the intractable calculations of many-body wavefunctions, density functional theory (DFT) has revolutionized the prediction of ground states of materials. However, p…
Probing Loop Currents and Collective Modes of Charge Density Waves in Kagome Materials with NV Centers
Ying-Ming Xie, Naoto Nagaosa
Recently, the unconventional charge density wave (CDW) order with loop currents has attracted considerable attention in the Kagome material family AVSb (A = K, Rb, Cs). How…
Magnetoelectric control of spin helicity and nonreciprocal charge transport in a multiferroic metal
Daiki Yamaguchi, Aki Kitaori, Naoto Nagaosa +1
A multiferroic state with both electric polarization () and magnetization () shows the inherently strong - coupling, when is induced by cycloidal (Néel-wall like) s…
Photon-drag photovoltaic effects and quantum geometric nature
Ying-Ming Xie, Naoto Nagaosa
The bulk photovoltaic effect (BPVE) generates a direct current photocurrent under uniform irradiation and is a nonlinear optical effect traditionally studied in non-centrosymmetric…
Topological pumping of bimerons in spiral magnets
Luca Maranzana, Maxim Mostovoy, Naoto Nagaosa +1
Precise positioning of topological defects is essential for racetrack memories, where their positions along a magnetic nanotrack encode information. Traditional methods achieve nan…
Quasi-one-dimensional Supersolids in Luther-Emery Liquids
Ying-Ming Xie, Naoto Nagaosa
The supersolid is a long-sought phase in condensed matter physics, characterized by the coexistence of density wave and superfluid orders. This phase is counterintuitive, as differ…
Spin-phonon coupling and thermal Hall effect in the Kitaev model
Taekoo Oh, Naoto Nagaosa
The Kitaev model, which involves bond-direction-dependent spin interactions on a honeycomb lattice, has attracted significant interest due to its exact solvability and potential us…
Nonlinear edge transport in a quantum Hall system
Hiroki Isobe, Naoto Nagaosa
Nonlinear transport phenomena in condensed matter reflect the geometric nature, quantum coherence, and many-body correlation of electronic states. Electric currents in solids are c…
Optical conductivity of the Majorana mode at the s- and d-wave topological superconductor edge
Lina Johnsen Kamra, Bo Lu, Jacob Linder +2
The Majorana fermion offers fascinating possibilities such as non-Abelian statistics and non-local robust qubits, and hunting it is one of the most important topics in current cond…
Nonmonotonic Hall effect of Weyl semimetals under magnetic field
Xiao-Xiao Zhang, Naoto Nagaosa
Hall effect of topological quantum materials often reveals essential new physics and possesses potential for application. Magnetic Weyl semimetal is one especially interesting exam…
Surface spectroscopy and surface-bulk hybridization of Weyl semimetals
Xiao-Xiao Zhang, Naoto Nagaosa
Weyl semimetal showing open-arc surface states is a prominent example of topological quantum matter in three dimensions. With the bulk-boundary correspondence present, nontrivial s…
Phonon thermal Hall effect in Mott insulators via skew-scattering by the scalar spin chirality
Taekoo Oh, Naoto Nagaosa
Thermal transport is a crucial probe for studying excitations in insulators. In Mott insulators, the primary candidates for heat carriers are spins and phonons, and which dominates…
Phase shifts, band geometry and responses in triple-Q charge and spin density waves
Ying-Ming Xie, Naoto Nagaosa
Triple-Q density waves are commonly found in various materials, such as charge density waves in transition metal dichalcogenides and spin density waves (skyrmion crystals) in B20 c…
Nonreciprocal Nonlinear Responses in Moving Charge Density Waves
Ying-Ming Xie, Hiroki Isobe, Naoto Nagaosa
The incommensurate charge density wave states (CDWs) can exhibit steady motion in the flow limit after depinning, behaving as a nonequilibrium system with time-dependent states. Si…
Unraveling the dynamics of magnetization in topological insulator-ferromagnet heterostructures via spin-orbit torque
Taekoo Oh, Naoto Nagaosa
Spin-orbit coupling stands as a pivotal determinant in the realm of condensed matter physics. In recent, its profound influence on spin dynamics opens up a captivating arena with p…