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- The University of TokyoJP13 papers
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6 papers · 1 filter
Construction of a Wilson action for the Wess-Zumino model
Hidenori Sonoda, Kayhan Ulker
We construct a Wilson action for the Wess-Zumino model by applying the exact renormalization group perturbatively. Using neither superfields nor auxiliary fields, we construct a su…
Gauge-Fixing and Residual Symmetries in Gauge/Gravity Theories with Extra Dimensions
C. S. Lim, Tomoaki Nagasawa, Satoshi Ohya +2
We study compactified pure gauge/gravitational theories with gauge-fixing terms and show that these theories possess quantum mechanical SUSY-like symmetries between unphysical degr…
Supersymmetry in 5d Gravity
C. S. Lim, Tomoaki Nagasawa, Satoshi Ohya +2
We study a 5d gravity theory with a warped metric and show that two N = 2 supersymmetric quantum-mechanical systems are hidden in the 4d spectrum. The supersymmetry can be regarded…
On Gauge Symmetry Breaking via Euclidean Time Component of Gauge Fields
M. Sakamoto, K. Takenaga
We study gauge theories with/without an extra dimension at finite temperature, in which there are two kinds of order parameters of gauge symmetry breaking. The one is the zero mode…
Quantum Master Equation for QED in Exact Renormalization Group
Yuji Igarashi, Katsumi Itoh, Hidenori Sonoda
Recently, one of us (H.S.) gave an explicit form of the Ward-Takahashi identity for the Wilson action of QED. We first rederive the identity using a functional method. The identity…
On the construction of QED using ERG
Hidenori Sonoda
It has been known for some time that a smooth momentum cutoff is compatible with local gauge symmetries. In this paper we show concretely how to construct QED using the exact renor…