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Vacuum energy and the cosmological constant problem in κ -Poincaré invariant field theories
2019
Physical Review D
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We investigate the vacuum energy in κ-Poincaré 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.
doi:10.1103/physrevd.99.045004
fatcat:yqdspbsdjfc4zfemg7ahjchnje