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arXiv 1504.07262hep-th
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宇宙弦时空中受限势和Lorentz对称性破缺效应下的相对论标量粒子

Relativistic scalar particle subject to a confining potential and Lorentz symmetry breaking effects in the cosmic string spacetime

H. Belich, K. Bakke

摘要:

讨论了宇宙弦时空中洛伦兹对称性破坏作用下标量势作用下相对论标量粒子的行为。考虑了由张量$\left(K_{F}\right)_{μναβ}$定义的标准模型扩展的CPT偶规范扇区中洛伦兹对称性破缺的两种可能情形。然后,通过引入标量势作为Klein-Gordon方程质量项的修正,证明了宇宙弦时空中的Klein-Gordon方程在Lorentz对称性破坏背景的影响下得到了修正,从而得到了Klein-Gordon方程的束缚态解.

英文摘要:

The behaviour of a relativistic scalar particle subject to a scalar potential under the effects of the violation of the Lorentz symmetry in the cosmic string spacetime is discussed. It is considered two possible scenarios of the Lorentz symmetry breaking in the CPT-even gauge sector of the Standard Model Extension defined by a tensor $\left(K_{F}\right)_{μναβ}$. Then, by introducing a scalar potential as a modification of the mass term of the Klein-Gordon equation, it is shown that the Klein-Gordon equation in the cosmic string spacetime is modified by the effects of the Lorentz symmetry violation backgrounds and bound state solution to the Klein-Gordon equation can be obtained.

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