107 citations · 192 across the 8 of their papers we have counts for
Showing 2012Show all
3 papers · 1 filter
math-ph2012★ 30 cited
Quantum motion on a torus as a submanifold problem in a generalized Dirac's theory of second-class constraints
D. M. Xun, Q. H. Liu, X. M. Zhu
A generalization of the Dirac's canonical quantization theory for a system with second-class constraints is proposed as the fundamental commutation relations that are constituted b…
quant-ph2012★ 5 cited
The negative probabilities and information gain in weak measurements
Xuanmin Zhu, Qun Wei, Quanhui Liu +1
We study the outcomes in a general measurement with postselection, and derive upper bounds for the pointer readings in weak measurement. Using the idea of weak measurement, we stud…
quant-ph2012★ 3 cited
Information gain versus coupling strength in quantum measurements
Xuanmin Zhu, Yuxiang Zhang, Quanhui Liu +1
We investigate the relationship between the information gain and the interaction strength between the quantum system and the measuring device. A strategy is proposed to calculate t…