Vacuum energy and the cosmological constant problem in κ -Poincaré invariant field theories

Tajron Jurić, Timothé Poulain, Jean-Christophe Wallet
2019 Physical Review D  
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