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4 papers · 2 filters
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…