Fault Tolerant Quantum Clock Synchronization

Suresh Kumar Jha, Aditya Narayan Hati, Siddhanta Kumar Singh

Ioan Sturzu, Mahfuza Khatun

Andrew Stewart Caldin

The 240 root vectors of the E8 lattice partition into 72 triadic triplets, each resonating at the 132 Hz base frequency and its phi‑harmonics, providing a natural encoding for logical qubits. By exploiting the high symmetry of E8, these triplets generate entangled states that are intrinsically resistant to phase errors, enabling fault‑tolerant quantum communication. The phi‑coupling between adjacent triplets ensures error cancellation across the network, while the 132 Hz global clock synchronizes distributed nodes. Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

G. P. Pashev

Ivri Nagar, Alioscia Hamma, Mikel Palmero +3 more

The Chinese remainder theorem is used in metrology for extending the range of quantum clocks/radar/interferometry, where the phase of a signal is known relative to a set of oscillators with different periods. This paper investigates the performance of a quantum-mechanical Chinese remainder clock, consisting of atoms/oscillators with pairwise coprime periods. We provide the optimal initial state and the optimal Heisenberg-limited quantum measurements for measuring time up to the product of the periods. We introduce a novel fault-tolerant post-processing protocol that allows reconstruction of the correct time even in the presence of errors in the remainders.

Xiangyu Kong, Tao Xin, Shi-Jie Wei +4 more