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quant-ph2026
Hyperpolarization-enabled cooperative molecular magnetic amplification
Jingyan Xu, Raphael Kircher, Min Jiang +3
Detecting weak magnetic fields at hertz frequencies is central to biomagnetism, geophysical sensing, and searches for new physics, yet it remains challenging because of technical s…
quant-ph2025
Hyperpolarized Molecular Nuclear Spins Achieve Magnetic Amplification
Shengbang Zhou, Qing Li, Yi Ren +6
The use of nuclear spins as physical sensing systems is disadvantaged by their low signal responsivity, particularly when compared to sensing techniques based on electron spins. Th…
quant-ph2025★ 3 cited
Quantum Magnetic J-Oscillators
Jingyan Xu, Raphael Kircher, Oleg Tretiak +2
We introduce quantum J-oscillators that exploit intrinsic nuclear spin-spin (scalar J) couplings in molecules to produce phase-coherent oscillations. Operated in zero magnetic fiel…