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Lei Zhang

4 articles · 30 co-authors · latest: 2026-01-23

Photonic Quantum Computer Sets a Speed Record

The new photonic computer Jiuzhang 4.0 pushes photons through a network of microchannels and uses photometry—precise counting of light flashes—to record the final pattern. This pattern is beyond any ordinary computer: it would require sifting through more possibilities than atoms in the universe. Th
arXiv:2508.09092 · 2025-08-12

Artificial Intelligence Unravels the Mysteries of Cosmic Radio Bursts

Astronomers trained a neural network to search for fast radio bursts without complex data preprocessing. On the repeating source FRB 20121102A, it found 5,927 signals—three times more than before. Analysis showed that the burst energies always split clearly into two classes, and this property is unc
arXiv:2510.07002 · 2025-10-08

The Moon — a Giant Gravitational Bell

Computer modeling has shown that the Moon's uneven terrain and crust thickness turn its surface into an amplifier of spacetime ripples. In the region of the South Pole–Aitken basin, the signal is amplified dozens of times, paving the way for future lunar observatories capable of detecting the merger
arXiv:2511.04067 · 2025-11-06

The Moon as a Gravitational Wave Detector

The first accurate model of the Moon's response to gravitational waves reveals: uneven crust amplifies the signal tenfold. Energy transfers into extra vibration modes — like a bell with irregular walls. This will help pinpoint the ideal location for a lunar detector capable of catching the 'echo' of
arXiv:2601.16567 · 2026-01-23