Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-10-30
J. Korean Phys. Soc. 53, 1826 (2008)
Physics
High Energy Physics
High Energy Physics - Theory
23 pages, 3 figures, add more analysis
Scientific paper
We study the Casimir energy of a spherical shell of radius $a$ in
$\kappa$-Minkowski spacetime for a complex field with an asymmetric ordering
and obtain the energy up to $O(1/\kappa^2)$. We show that the vacuum breaks
particle and anti-particle symmetry if one requires the spectra to be
consistent with the blackbody radiation at the commutative limit.
Kim Hyeong-Chan
Rim Chaiho
Yee Jae Hyung
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