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8 papers · 2 filters
Experimental demonstration of coherence flow in - and anti--symmetric systems
Yu-Liang Fang, Jun-Long Zhao, Yu Zhang +5
Non-Hermitian parity-time () and anti-parity-time ()-symmetric systems exhibit novel quantum properties and have attracted increasing interest. Althoug…
Significant enhancement in refrigeration and entanglement in auxiliary-cavity-assisted optomechanical systems
Deng-Gao Lai, Wei Qin, Bang-Pin Hou +2
We propose how to achieve significantly enhanced quantum refrigeration and entanglement by coupling a pumped auxiliary cavity to an optomechanical cavity. We obtain both analytical…
Work statistics in non-Hermitian evolutions with Hermitian endpoints
Zheng-Yang Zhou, Ze-Liang Xiang J. Q. You, Franco Nori
Non-Hermitian systems with specific forms of Hamiltonians can exhibit novel phenomena. However, it is difficult to study their quantum thermodynamical properties. In particular, th…
Towards Quantum Logic Inspired Cooling and Detection for Single (Anti-)Protons
T. Meiners, M. Niemann, A. -G. Paschke +7
We discuss laser-based and quantum logic inspired cooling and detection methods amenable to single (anti-)protons. These would be applicable e.g. in a g-factor based test of CPT in…
Towards Sympathetic Laser Cooling and Detection of Single (Anti-)Proton
T. Meiners, M. Niemann, A. -G. Paschke +8
Current experimental efforts to test the fundamental CPT symmetry with single (anti-)protons are progressing at a rapid pace but are hurt by the nonzero temperature of particles an…
Fundamental limits for reciprocal and non-reciprocal non-Hermitian quantum sensing
Liying Bao, Bo Qi, Daoyi Dong +1
Non-Hermitian dynamics has been widely studied to enhance the precision of quantum sensing; and non-reciprocity can be a powerful resource for non-Hermitian quantum sensing, as non…