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arXiv 1109.1685hep-th
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非对易复标量场与Casimir效应

Noncommutative Complex Scalar Field and Casimir Effect

Farid Khelili

摘要:

构造了一个非对易复标量场,它满足Carmona等人[27]-[31]提出的变形正则对易关系.利用这些非对易变形正则对易关系,提出了一个描述非对易复标量场动力学的模型。求解了非对易场方程,计算了非对易参数下的二阶真空能。作为该模型的一个应用,考虑了非对易复标量场零点涨落引起的Casimir效应。结果表明,尽管它很小,但非对易性在微观水平上产生了排斥力,导致了在amin= racine(5/84)πθ处具有最小值的修正Casimir势。

英文摘要:

A noncommutative complex scalar field, satisfying the deformed canonical commutation relations proposed by Carmona et al. [27]-[31], is constructed. Using these noncommutative deformed canonical commutation relations, a model describing the dynamics of the noncommutative complex scalar field is proposed. The noncommutative field equations are solved, and the vacuum energy is calculated to the second order in the parameter of noncommutativity. As an application to this model, the Casimir effect, due to the zero point fluctuations of the noncommutative complex scalar field, is considered. It turns out that in spite of its smallness, the noncommutativity gives rise to a repulsive force at the microscopic level, leading to a modifed Casimr potential with a minimum at the point amin= racine(5/84)πθ.

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