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The Casimir effect for the scalar and Elko fields in a Lifshitz-like field theory

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arxiv 1905.04824 v3 pith:OVVT2EO5 submitted 2019-05-13 hep-th

The Casimir effect for the scalar and Elko fields in a Lifshitz-like field theory

classification hep-th
keywords fieldparametercasimirscalardimensionalelkoenergyfields
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this work, we obtain the Casimir energy for the real scalar field and the Elko neutral spinor field in a field theory at a Lifshitz fixed point (LP). We analyze the massless and the massive case for both fields using dimensional regularization. We obtain the Casimir energy in terms of the dimensional parameter and the LP parameter. Particularizing our result, we can recover the usual results without LP parameter in (3+1) dimensions presented in the literature. Moreover, we compute the effects of the LP parameter in the thermal corrections for the massless scalar field.

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