100 citations · 1.2k across the 58 of their papers we have counts for
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hep-th2020★ 55 cited
Exact WKB analysis of the vacuum pair production by time-dependent electric fields
Hidetoshi Taya, Toshiaki Fujimori, Tatsuhiro Misumi +2
We study the vacuum pair production by a time-dependent strong electric field based on the exact WKB analysis. We identify the generic structure of a Stokes graph for systems with…
cond-mat.mes-hall2020★ 10 cited
Effective field theory of magnon: Dynamics in chiral magnets and Schwinger mechanism
Masaru Hongo, Toshiaki Fujimori, Tatsuhiro Misumi +2
We develop the effective field theoretical descriptions of spin systems in the presence of symmetry-breaking effects: the magnetic field, single-ion anisotropy, and Dzyaloshinskii-…
hep-th2020★ 14 cited
Lattice model with twisted boundary condition: bions, adiabatic continuity and pseudo-entropy
Toshiaki Fujimori, Etsuko Itou, Tatsuhiro Misumi +2
We investigate the lattice sigma model on (large) (small) with the symmetric twisted boundary condition, where…