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quant-ph2025
Gain on ground state of quantum system for truly symmetry
Bing-Bing Liu, Shi-Lei Su
For a truly -symmetric quantum system, the conventional non-Hermitian Hamiltonian is , where and are re…
quant-ph2025
Quantum computation via Floquet-tailored Rydberg interactions
Jun Wu, Jin-Lei Wu, Fu-Qiang Guo +5
Rydberg atoms stand out as a highly promising platform for realizing quantum computation with significant advantages in constructing high-fidelity quantum gates. Floquet frequency…
quant-ph2023
Enhancement of Quantum Sensing in a Cavity Optomechanical System around Quantum Critical Point
Shao-Bo Tang, Hao Qin, D. -Y. Wang +4
The precision of quantum sensing could be improved by exploiting quantum phase transitions, where the physical quantity tends to diverge when the system approaches the quantum crit…