OHTA Kazutoshi

J-GLOBAL         Last updated: Jul 11, 2019 at 02:40
 
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Name
OHTA Kazutoshi
Affiliation
Meiji Gakuin University
Section
Faculty of Law, Department of Current Legal Studies

Research Areas

 
 

Academic & Professional Experience

 
Apr 2004
 - 
Sep 2006
RIKEN Researcher
 
Oct 2006
 - 
Mar 2009
Tohoku University Department of Physics Assistant Professor
 

Education

 
Apr 1995
 - 
Mar 1998
Graduate School, Division of Natural Science, Osaka University
 

Published Papers

 
Numerical Analysis of Discretized N=(2,2) SYM on Polyhedra
Syo Kamata, So Matsuura, Tatsuhiro Misumi and Kazutoshi Ohta
Proceedings of Science   LATTICE2016 210   Dec 2016
We perform a numerical simulation of the two-dimensional N=(2,2) supersymmetric Yang-Mills (SYM) theory on the discretized curved space. The U(1)_A anomaly of the continuum theory is maintained also in the discretized theory as an unbalance of the...

Misc

 
Syo Kamata, So Matsuura, Tatsuhiro Misumi and ◎Kazutoshi Ohta
Progress of Theoretical and Experimental Physics   123B01    Dec 2016   [Refereed]
We investigate the two-dimensional N=(2,2) supersymmetric Yang-Mills (SYM) theory on the discretized curved space (polyhedra). We first revisit that the number of supersymmetries of the continuum N=(2,2) SYM theory on any curved manifold can be en...
Supersymmetric Quiver Model and Statistical Mechanics
101 193-201   Oct 2016
We discuss a relationship between supersymmetric quiver model and statistical mechanics by using the localization method. We show that the path integral in the supersymmetric quiver model reduces to a summation over the localization fixed points, ...
Kazutoshi Ohta and Yuya Sasai
Journal of High Energy Physics   02(2016) 106   Feb 2016   [Refereed]
We show how to exactly calculate the refined indices of N=4 U(1)xU(N) supersymmetric quiver quantum mechanics in the Coulomb branch by using the localization technique. The Coulomb branch localization is discussed from the viewpoint of both non-li...
So Matsuura, Tatsuhiro Misumi and Kazutoshi Ohta
Progress of Theoretical and Experimental Physics (PTEP)   2015 033B07   Mar 2015   [Refereed]
We apply the localization technique to topologically twisted N=(2,2) supersymmetric gauge theory on a discretized Riemann surface (the generalized Sugino model). We exactly evaluate the partition function and the vacuum expectation value (vev) of ...
So Matsuura, Tatsuhiro Misumi, Kazutoshi Ohta
   Dec 2014   [Refereed]
We define supersymmetric Yang-Mills theory on an arbitrary 2D lattice (polygon decomposition) while preserving one supercharge. When a smooth Riemann surface sigma_g with genus g emerges as an appropriate continuum limit of the generic lattice, th...

Teaching Experience

 
 

Association Memberships

 
 

Works

 
Seasonal Oscillation of the Solar Neutrino Flux
Kazutoshi Ohta and Eiichi Takasugi   The Others   Jul 1995

Research Grants & Projects

 
Research on lower dimensional gauge theories by using the localization method
MEXT: 
Project Year: Apr 2014 - Today    Investigator(s): Kazutoshi Ohta
Research of non-perturbative effects by using the localization method in supersymmetric theories
Project Year: Apr 2008 - Mar 2011