2026/06/01 by hideo umihara · 1 voice
Physics and Astronomy · #Cosmology and Gravitation Theories #Galaxies: Formation, Evolution, Phenomena #Relativity and Gravitational Theory
paper · doi:10.5281/zenodo.20486976
openalex publication_date 2026/06/01 · openalex created_date 2026/06/02 · openalex updated_date 2026/06/02
This research note proposes a possible reformulation of the cosmological constant problem. Instead of assuming that the enormous zero-point energy is reduced by an accidental cancellation between independent large contributions, the note introduces the hypothesis that the local monopole component of zero-point stress is self-screened by a local vacuum response required for vacuum stability. In this picture, the large local zero-point stress does not directly appear as a long-range gravitational source. However, this monopole self-screening does not eliminate stress-tensor correlations. The observed cosmological-constant-like component is modeled as a coarse-grained effective stress tensor obtained by contracting a nonlinear response kernel with the connected stress-tensor two-point function. The note formulates this idea using effective stress tensors, local vacuum reaction, linear and nonlinear response kernels, and coarse-grained stress correlations. It does not claim a complete solution of the cosmological constant problem. Rather, it presents a research program in which the observed dark-energy-like component is interpreted as a response-projected stress-correlation residue after local monopole self-screening of zero-point stress.