頁籤選單縮合
題 名 | Non-Standard Extended Noncommutativity of Coordinates |
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作 者 | Boulahoual,A.; Sedra,M. B.; | 書刊名 | Chinese Journal of Physics |
卷 期 | 42:5 2004.10[民93.10] |
頁 次 | 頁591-597 |
分類號 | 331.5 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | We present in this short note an idea about a possible extension of the standard non-commutative algebra of coordinates to the formal differential operators framework. In this sense, we develop an analysis and derive an extended noncommutative structure given by [xa, xb]□=ί (θ+χ)ab, where _ab is the standard noncommutativity parameter and χab(x)≡χ□(x)∂μ = 1/2 (xaθμb − xbθμa)∂μ is an antisymmetric non-constant vector field, shown to play the role of the extended deformation parameter. This idea was motivated by the importance of the noncommutative geometry framework, with a non-constant deformation parameter, in the current subject of string theory and D-brane physics. |
本系統中英文摘要資訊取自各篇刊載內容。