4 citations · 8 across the 7 of their papers we have counts for
7 papers
Role of long-range interaction in critical quantum metrology
Zhen-Xia Niu, Qian Wang
Long-range interacting quantum systems are useful for improving the performance of various applications of quantum technologies. In this work, we carry out a detailed analysis of h…
Multifractality and excited-state quantum phase transition in ferromagnetic spin- Bose-Einstein condensates
Zhen-Xia Niu, Qian Wang
Multifractality of quantum states plays an important role for understanding numerous complex phenomena observed in different branches of physics. The multifractal properties of the…
Dynamic protected states in the non-Hermitian system
Lei Chen, Zhen-Xia Niu, Xingran Xu
The non-Hermitian skin effect and nonreciprocal behavior are sensitive to the boundary conditions, which are unique features of non-Hermitian systems. The eigenenergies will become…
Universal dynamics of the entropy of work distribution in spinor Bose-Einstein condensates
Zhen-Xia Niu
Driving a quantum many-body system across the quantum phase transition (QPT) in the finite time has been concerned in different branches of physics to explore various fundamental q…
Characterizing dynamical phase transitions in a spinor Bose-Einstein condensate via quantum and semiclassical analyses
Zhen-Xia Niu, Qian Wang
Phase transitions in nonequilibrium dynamics of many body quantum systems,the so-called dynamical phases transition (DPTs), play an important role for understanding various dynamic…
Excited stated quantum phase transitions and the entropy of the work distribution in the anharmonic Lipkin-Meshkov-Glick model
Haiting Zhang, Yifan Qian, Zhen-Xia Niu +1
Studying the implications and characterizations of the excited state quantum phase transitions (ESQPTs) would enable us to understand various phenomena observed in quantum many bod…
Dynamical nonlinear excitations induced by interaction quench in a two-dimensional box-trapped Bose-Einstein condensate
Zhen-Xia Niu, Chao Gao
Manipulating nonlinear excitations, including solitons and vortices, is an essential topic in quantum many-body physics. A recent progress in this direction is a new protocol propo…