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Gravitational string-membrane hedgehog and internal structure of black holes
Hikaru Kawai, Toshihiro Matsuo
We investigate charged Nambu-Goto strings/membrane systems in the Einstein-Maxwell theory in 3+1 dimensions. We first construct a charged string hedgehog solution that has a single…
Universal description of viscoelasticity with foliation preserving diffeomorphisms
Tatsuo Azeyanagi, Masafumi Fukuma, Hikaru Kawai +1
We review our recent proposal for a universal description of generic single-component viscoelastic systems with a single relaxation time. Foliation preserving diffeomorphisms are i…
Large N reduction on coset spaces
Hikaru Kawai, Shinji Shimasaki, Asato Tsuchiya
As an extension of our previous work concerning the large N reduction on group manifolds, we study the large N reduction on coset spaces. We show that large N field theories on cos…