[E2-PV21] Slot 21

[E2-PV21-11] Flux pinning by columnar defects in high-T_c superconductors under longitudinal magnetic field

*Tetsuro Sueyoshi ¹, Ryusei Enokihata², Hiroshi Yamaguchi², Takanori Fujiyoshi², Toshinori Ozaki³, Hitoshi Sakane⁴, Terukazu Nishizaki¹, Norito Ishikawa⁵ (1. Kyushu Sangyo Univ. (Japan), 2. Kumamoto Univ. (Japan), 3. Kwansei Gakuin Univ. (Japan), 4. SHI-ATEX Corp., Ltd. (Japan), 5. Japan Atomic Enegy Agency (Japan))