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Vacuum energy and the cosmological constant problem in $\kappa$-Poincar\'e invariant field theories

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arxiv 1805.09027 v3 pith:7XRJOH5L submitted 2018-05-23 hep-th

classification hep-th
keywords energyvacuumconstantcosmologicalfieldinvariantkappapoincar
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abstract

We investigate the vacuum energy in $\kappa$-Poincar\'e invariant field theories. It is shown that for the equivariant Dirac operator one obtains an improvement in UV behavior of the vacuum energy and therefore the cosmological constant problem has to be revised.

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