The paper derives new formulas for the topological mass and two-loop vacuum energy of a massless λφ⁴ scalar in quasi-periodic Minkowski and half-Einstein spacetimes.
The Epstein-Hurwitz zeta function is defined as [31, 32] ζEH (s,ν ) = ∞∑ n=1 (n2 +ν2)−s, (37) where Re(s) > 1/2 and ν2≥ 0
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Ground state energy and topological mass in spacetimes with nontrivial topology
The paper derives new formulas for the topological mass and two-loop vacuum energy of a massless λφ⁴ scalar in quasi-periodic Minkowski and half-Einstein spacetimes.