97 citations · 1.7k across the 76 of their papers we have counts for
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Resurgence and semiclassical expansion in two-dimensional large- sigma models
Hiromichi Nishimura, Toshiaki Fujimori, Tatsuhiro Misumi +2
The resurgence structure of the 2d sigma model at large is studied with a focus on an IR momentum cutoff scale that regularizes IR singularities in the semiclassical…
Lattice fermions as spectral graphs
Jun Yumoto, Tatsuhiro Misumi
We study lattice fermions from the viewpoint of spectral graph theory (SGT). We find that a fermion defined on a certain lattice is identified as a spectral graph. SGT helps us inv…
Exact-WKB analysis for SUSY and quantum deformed potentials: Quantum mechanics with Grassmann fields and Wess-Zumino terms
Syo Kamata, Tatsuhiro Misumi, Naohisa Sueishi +1
Quantum deformed potentials arise naturally in quantum mechanical systems of one bosonic coordinate coupled to Grassmann valued fermionic coordinates, or to a topological Wes…
Quantum phase transition and Resurgence: Lessons from 3d SQED
Toshiaki Fujimori, Masazumi Honda, Syo Kamata +3
We study a resurgence structure of a quantum field theory with a phase transition to uncover relations between resurgence and phase transitions. In particular, we focus on three-di…
Exact-WKB, complete resurgent structure, and mixed anomaly in quantum mechanics on
Naohisa Sueishi, Syo Kamata, Tatsuhiro Misumi +1
We investigate the exact-WKB analysis for quantum mechanics in a periodic potential, with minima on . We describe the Stokes graphs of a general potential problem as a…