Original language | English (US) |
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Article number | 139702 |
Pages (from-to) | 139702-1-139703-1 |
Journal | Physical Review Letters |
Volume | 93 |
Issue number | 13 |
DOIs |
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State | Published - Sep 24 2004 |
Externally published | Yes |
Bibliographical note
Funding Information:This work was supported by RGC (Hong Kong).
ASJC Scopus subject areas
- General Physics and Astronomy