R2 Gravity in (2+ε)--Dimensional Quantum Gravity
Jun Nishimura, Shinya Tamura, Asato Tsuchiya
Abstract
We study R2 gravity in (2+ε)--dimensional quantum gravity. Taking care of the oversubtraction problem in the conformal mode dynamics, we perform a full order calculation of string susceptibility in the ε→ 0 limit. The result is consistent with that obtained through Liouville approach.
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