2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35043It is demonstrated that dark energy, driven by tachyons having non-minimal coupling with curvature and self-interacting inverse cubic potential, decays to cold dark matter in the late universe. It is found that this penomenon yields a solution to `` cosmic coincidence problem''.16 pagesGeneral Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - TheoryTachyon as a Dark Energy Sourcetext