Effects of dislocations on polycrystal anelasticity

Yuto Sasaki1, Yasuko Takei2, Christine McCarthy3 and Ayako Suzuki1, (1)Earthquake Research Institute, University of Tokyo, Tokyo, Japan, (2)University of Tokyo, Dept. Earth and Planetary Science, Faculty of Science, Bunkyo-ku, Japan, (3)Lamont-Doherty Earth Observatory, Columbia University, Palisades, United States