Theoretical analysis demonstrates suppression of ghost states in SO(3,3) spacetime, suggesting viable pathways to model dark energy.
In standard high-dimensional formulations such as SO(3,3) spacetime, unconstrained temporal degrees of freedom inevitably lead to negative-norm ghost states, threatening the unitarity of the theory. To resolve this instability, this paper proposes a theoretical 3+1+2 dimensional spacetime model derived by imposing a dynamic topological constraint field onto a symmetric 3-space + 3-time structure. By utilizing a symmetry-breaking mechanism analogous to Ginzburg-Landau theory, we investigate how the non-zero vacuum expectation value (VEV) of this constraint field kinematically suppresses transverse-time wave fluctuations. Furthermore, we explore the formulation of this topological constraint as an effective mathematical pathway to yield a macroscopic equation of state consistent with dark energy (w=-1) and establishing minimum energy bounds (BPS limits) for stable topological configurations. This purely geometric approach provides a mathematically constrained metric framework, offering theoretical directions for stabilizing higher-dimensional gauge theories prior to formal BRST quantization
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Changho Cho (2026) studied this question.
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