activity
20162024
most citedObservation of Chiral Fermions with a Large Topological Charge and and Associated Fermi-Arc Surface States in CoSi

312 citations · 939 across the 15 of their papers we have counts for

collaborators

15 papers

cond-mat.mes-hall2024★ 2 cited

Universal Role of Combined Symmetry for the Protection of the Dirac Cone in Antiferromagnetic Topological Insulators

Asuka Honma, Noriyuki Kabeya, Seigo Souma +13

Antiferromagnetic topological insulators (AF TIs) are predicted to exhibit exotic physical properties such as gigantic optical and topological magnetoelectric responses. While a ke…

cond-mat.mes-hall2023★ 14 cited

Antiferromagnetic topological insulator with selectively gapped Dirac cones

A. Honma, D. Takane, S. Souma +14

Antiferromagnetic (AF) topological materials offer a fertile ground to explore a variety of quantum phenomena such as axion magnetoelectric dynamics and chiral Majorana fermions. T…

cond-mat.mes-hall2023★ 12 cited

Unusual surface states associated with the PT-symmetry breaking and antiferromagnetic band folding in NdSb

Asuka Honma, Daichi Takane, Seigo Souma +8

We have performed micro-focused angle-resolved photoemission spectroscopy on NdSb which exhibits the type-I antiferromagnetism below TN = 16 K. We succeeded in selectively observin…

cond-mat.mes-hall2020★ 44 cited

Signature of band inversion in the antiferromagnetic phase of axion insulator candidate EuIn2As2

Takafumi Sato, Zhiwei Wang, Daichi Takane +12

We have performed angle-resolved photoemission spectroscopy on EuIn2As2 which is predicted to be an axion insulator in the antiferromagnetic state. By utilizing soft-x-ray and vacu…

cond-mat.mes-hall2020★ 21 cited

Observation of inverted band structure in topological Dirac-semimetal candidate CaAuAs

Kosuke Nakayama, Zhiwei Wang, Daichi Takane +13

We have performed high-resolution angle-resolved photoemission spectroscopy of ternary pnictide CaAuAs which is predicted to be a three-dimensional topological Dirac semimetal (TDS…

cond-mat.mes-hall2019★ 23 cited

Evidence for bulk nodal loops and universality of Dirac-node arc surface states in ZrGeXc (Xc = S, Se, Te)

Takechika Nakamura, Seigo Souma, Zhiwei Wang +10

We have performed angle-resolved photoemission spectroscopy (ARPES) on layered ternary compounds ZrGeXc (Xc = S, Se, and Te) with square Ge lattices. ARPES measurements with bulk-s…