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hep-th2004
Kaluza-Klein bubble like structure and celestial sphere in inflationary universe
Tetsuya Shiromizu, Shinya Tomizawa, Yuki Uchida +1
We consider five dimensional deSitter spacetimes with a deficit angle due to the presence of a closed 2-brane and identify one dimension as an extra dimension. From the four dimens…
hep-th2003
Twisted Superspace for N=D=2 Super BF and Yang-Mills with Dirac-Kähler Fermion Mechanism
Junji Kato, Noboru Kawamoto, Yukiya Uchida
We propose a twisted D=N=2 superspace formalism. The relation between the twisted super charges including the BRST charge, vector and pseudo scalar super charges and the N=2 spinor…