161 citations · 1.5k across the 24 of their papers we have counts for
23 papers
Spanning Fermi arcs in a two-dimensional magnet
Ying-Jiun Chen, Jan-Philipp Hanke, Markus Hoffmann +5
The discovery of topological states of matter has led to a revolution in materials research. When external or intrinsic parameters break certain symmetries, global properties of to…
The chiral Hall effect in canted ferromagnets and antiferromagnets
J. Kipp, K. Samanta, F. R. Lux +7
The anomalous Hall effect has been indispensable in our understanding of numerous magnetic phenomena. This concerns both ferromagnetic materials, as well as diverse classes of anti…
Imprinting and driving electronic orbital magnetism using magnons
Li-chuan Zhang, Dongwook Go, Jan-Philipp Hanke +5
Magnons, as the most elementary excitations of magnetic materials, have recently emerged as a prominent tool in electrical and thermal manipulation and transport of spin, and magno…
Theory of Current-Induced Angular Momentum Transfer Dynamics in Spin-Orbit Coupled Systems
Dongwook Go, Frank Freimuth, Jan-Philipp Hanke +7
Motivated by the importance of understanding competing mechanisms to current-induced spin-orbit torque in complex magnets, we develop a unified theory of current-induced spin-orbit…
Mixed topology ring states for Hall effect and orbital magnetism in skyrmions of Weyl semimetals
M. Redies, F. R. Lux, J. -P. Hanke +3
Skyrmion lattices as a novel type of chiral spin states are attracting increasing attention, owing to their peculiar properties stemming from real-space topological properties. At…
Electric-field control of spin-orbit torques in perpendicularly magnetized W/CoFeB/MgO films
Mariia Filianina, Jan-Philipp Hanke, Kyujoon Lee +5
Controlling magnetism by electric fields offers a highly attractive perspective for designing future generations of energy-efficient information technologies. Here, we demonstrate…
Engineering the dynamics of topological spin textures by anisotropic spin-orbit torques
Jan-Philipp Hanke, Frank Freimuth, Bertrand Dupé +3
Integrating topologically stabilized magnetic textures such as skyrmions as nanoscale information carriers into future technologies requires the reliable control by electric curren…
Orbital Nernst Effect of Magnons
Li-chuan Zhang, Fabian R. Lux, Jan-Philipp Hanke +4
In the past, magnons have been shown to mediate thermal transport of spin in various systems. Here, we reveal that the fundamental coupling of scalar spin chirality, inherent to ma…
Ab initio analysis of magnetic properties of prototype B20 chiral magnet FeGe
S. Grytsiuk, M. Hoffmann, J. -P. Hanke +4
FeGe in the B20 phase is an experimentally well-studied prototypical chiral magnet exhibiting helical spirals, skyrmion lattices and individual skyrmions with a robust length of 70…
Giant Anomalous Nernst Effect in Noncollinear Antiferromagnetic Mn-based Antiperovskite Nitrides
Xiaodong Zhou, Jan-Philipp Hanke, Wanxiang Feng +3
The anomalous Nernst effect (ANE) - the generation of a transverse electric voltage by a longitudinal heat current in conducting ferromagnets or antiferromagnets - is an appealing…
Topological-chiral magnetic interactions driven by emergent orbital magnetism
Sergii Grytsiuk, Jan-Philipp Hanke, Markus Hoffmann +6
Two hundred years ago, André-Marie Ampère discovered that electric loops in which currents of electrons are generated by a penetrating magnetic field can interact with each other.…
Spin-order dependent anomalous Hall effect and magneto-optical effect in noncollinear antiferromagnets MnN ( = Ga, Zn, Ag, and Ni)
Xiaodong Zhou, Jan-Philipp Hanke, Wanxiang Feng +5
Noncollinear antiferromagnets (AFMs) have recently attracted a lot of attention owing to the potential emergence of exotic spin orders on geometrically frustrated lattices, which c…
Topological magneto-optical effects and their quantization in noncoplanar antiferromagnets
Wanxiang Feng, Jan-Philipp Hanke, Xiaodong Zhou +4
Reflecting the fundamental interactions of polarized light with magnetic matter, magneto-optical effects are well known since more than a century. The emergence of these phenomena…
Distinct magnetotransport and orbital fingerprints of chiral bobbers
M. Redies, F. R. Lux, J. -P. Hanke +5
While chiral magnetic skyrmions have been attracting significant attention in the past years, recently, a new type of a chiral particle emerging in thin films a chiral bobber $…
Chiral magnetic interlayer coupling in synthetic antiferromagnets
Dong-Soo Han, Kyujoon Lee, Jan-Philipp Hanke +9
The exchange coupling underlies ferroic magnetic coupling and is thus the key element that governs statics and dynamics of magnetic systems. This fundamental interaction comes in t…
Mixed topological semimetals driven by orbital complexity in two-dimensional ferromagnets
Chengwang Niu, Jan-Philipp Hanke, Patrick M. Buhl +6
The concepts of Weyl fermions and topological semimetals emerging in three-dimensional momentum space are extensively explored owing to the vast variety of exotic properties that t…
Higher-dimensional Wannier interpolation for the modern theory of the Dzyaloshinskii-Moriya interaction: Application to Co-based trilayers
Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel +1
We present an advanced first-principles formalism to evaluate the Dzyaloshinskii-Moriya interaction (DMI) in its modern theory as well as Berry curvatures in complex spaces based o…
Quantum spin Hall effect and topological phase transitions in honeycomb antiferromagnets
C. Niu, J. -P. Hanke, P. M. Buhl +4
While the quantum spin Hall (QSH) effect and antiferromagnetic order constitute two of the most promising phenomena for embedding basic spintronic concepts into future technologies…
Mixed Weyl semimetals and dissipationless magnetization control in insulators by spin-orbit torques
Jan-Philipp Hanke, Frank Freimuth, Chengwang Niu +2
Reliable and energy efficient magnetization switching by electrically-induced spin-orbit torques is of crucial technological relevance for spintronic devices implementing memory an…
Surface orbitronics: new twists from orbital Rashba physics
Dongwook Go, Jan-Philipp Hanke, Patrick M. Buhl +5
When the inversion symmetry is broken at a surface, spin-orbit interaction gives rise to spin-dependent energy shifts - a phenomenon which is known as the spin Rashba effect. Recen…
Prototypical topological orbital ferromagnet -FeMn
Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel +1
We predict from first principles an entirely topological orbital magnetization in the noncoplanar bulk antiferromagnet -FeMn originating in the nontrivial topology of the underl…
Role of Berry phase theory for describing orbital magnetism: From magnetic heterostructures to topological orbital ferromagnets
Jan-Philipp Hanke, Frank Freimuth, Ashis Kumar Nandy +3
We address the importance of the modern theory of orbital magnetization for spintronics. Based on an all-electron first-principles approach, we demonstrate that the predictive powe…
Higher dimensional Wannier functions of multi-parameter Hamiltonians
Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel +1
When using Wannier functions to study the electronic structure of multi-parameter Hamiltonians carrying a dependence on crystal momentum …