The cortical study on origin of super fluidity in ultra-low temperature - Quanturn vortex -
| Project/Area Number |
13640385
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
物性一般(含基礎論)
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| Research Institution | OKAYAMA UNIVERSITY |
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Principal Investigator |
MACHIDA Kazushige Granduate School of Natural Science, Professor, 大学院・自然科学研究科, 教授 (50025491)
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| Project Period (FY) |
2001 – 2002
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| Project Status |
Completed (Fiscal Year 2002)
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| Budget Amount *help |
¥3,500,000 (Direct Cost: ¥3,500,000)
Fiscal Year 2002: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2001: ¥2,500,000 (Direct Cost: ¥2,500,000)
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| Keywords | Bose-Einstein Condensation / Quantum vortex / spinor BEC / Mermin-Ho vortex / Super fluidity / Critical angular frequency / ボーズ・アインシュタイン凝縮 / スピナー / アルカリ原子 / ボーズアインシュタイン凝縮 / スピノール凝縮 / 渦生成 |
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| Research Abstract |
We rave investigated theoretically the origin of super fluidity in Bose-Einstein condensation (BEC) through Quantum vertices. Both scalar and spinor BEC are comparatively studied, focusing on vortex nucleation proceso, possible spin texture and to pological phase engineering via Berry phase. The critical angular frequency for nucleation is favorably compared to existing experiments in Cornell group in JILA. The predicted Mermin-Ho vortex is experimentally valijed by ketierle group in MIT by using 23Na atomic gases.
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Report
(3 results)
Research Products
(19 results)
