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arXiv 0704.1355hep-phastro-phhep-th
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强背景场中相对论性场论的最低朗道能级

Lowest Landau Level of Relativistic Field Theories in a Strong Background Field

Xavier Calmet, Martin Kober

摘要:

本文考虑类强外场中的规范理论。这种情况既可以出现在传统的四维理论中,也可以自然地出现在额外维度的理论中,尤其是膜世界模型中。我们表明,在最低的朗道能级近似,一些坐标成为非交换。我们找到了非对易规范理论问题的物理原因,如SU(N)规范对称性问题。我们的构造被应用到标准模型的最小扩展。结果表明,希格斯部门可能是非交换的,而其余部门的标准模型保持交换。这个模型在LHC的签名进行了讨论。然后,我们讨论了应用程序的暗物质部门耦合到希格斯部门的标准模型,并再次表明,在这里,暗物质可以是非交换的,标准模型领域保持交换。

英文摘要:

We consider gauge theories in a strong external magnetic like field. This situation can appear either in conventional four-dimensional theories, but also naturally in extra-dimensional theories and especially in brane world models. We show that in the lowest Landau level approximation, some of the coordinates become non-commutative. We find physical reasons to formal problems with non-commutative gauge theories such as the issue with SU(N) gauge symmetries. Our construction is applied to a minimal extension of the standard model. It is shown that the Higgs sector might be non-commutative whereas the remaining sectors of the standard model remain commutative. Signatures of this model at the LHC are discussed. We then discuss an application to a dark matter sector coupled to the Higgs sector of the standard model and show that here again, dark matter could be non-commutative, the standard model fields remaining commutative.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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