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quant-ph2026
Sp(2N, R) interferometry in multi-mode Gaussian bosonic systems for optimal metrology and quantum control
Chenwei Lv, Renbao Liu
Multi-mode interferometers for bosons in Gaussian states are important systems for quantum metrology with precision beyond the standard quantum limit and for bosonic quantum comput…
cond-mat.quant-gas2026
Efimovian Phonon Production for an Analog Coasting Universe in Bose-Einstein Condensates
Yunfei Xue, Jiabin Wang, Li Chen +2
Efimov effects arise from scale invariance, a fundamental symmetry with universal implications. While spatial Efimov physics has been extensively studied, realizing its temporal co…