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Ultrafast Dynamics of Intrinsic Anomalous Hall Effect in the Topological Antiferromagnet Mn3Sn
Takuya Matsuda, Tomoya Higo, Takashi Koretsune +8
We investigate ultrafast dynamics of the anomalous Hall effect (AHE) in the topological antiferromagnet Mn3Sn with sub-100 fs time resolution. Optical pulse excitations largely ele…
Wannier-based implementation of the coherent potential approximation with applications to Fe-based transition-metal alloys
Naohiro Ito, Takuya Nomoto, Koji Kobayashi +5
We develop a formulation of the coherent potential approximation (CPA) on the basis of the Wannier representation to develop a computationally efficient method for the treatment of…
Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn, = Sn, Ge
Taishi Chen, Takahiro Tomita, Susumu Minami +9
The recent discoveries of strikingly large zero-field Hall and Nernst effects in antiferromagnets Mn, ( = Sn, Ge) have brought the study of magnetic topological states to…
Enhancement of transverse thermoelectric conductivity originating from stationary points in nodal line
Susumu Minami, Fumiyuki Ishii, Motoaki Hirayama +3
Motivated by the recent discovery of a large anomalous Nernst effect in CoMnGa, Fe (=Al, Ga) and CoSnS, we performed a first-principles study to clarify the…
Ferromagnetic state above room temperature in a proximitized topological Dirac semimetal
Masaki Uchida, Takashi Koretsune, Shin Sato +6
We report an above-room-temperature ferromagnetic state realized in a proximitized Dirac semimetal, which is fabricated by growing typical Dirac semimetal CdAs films on a f…
Wannier90 as a community code: new features and applications
Giovanni Pizzi, Valerio Vitale, Ryotaro Arita +28
Wannier90 is an open-source computer program for calculating maximally-localised Wannier functions (MLWFs) from a set of Bloch states. It is interfaced to many widely used electron…