29 citations · 139 across the 26 of their papers we have counts for
26 papers
Decoherence of Dirac-particle quantumness for fermionic fields in a dilatonic black hole
Chengjun Yao, Yating Shao, Kai Yan +2
The quantumness of Dirac paticles for quantized fields in a dilatonic black hole is estimated by means of quantum channel. We develop a general Bloch vector representation of quant…
Phase diagram of the spin-1/2 Heisenberg alternating chain in a magnetic field
Wei-Xia Chen, Jie Ren, Wen-Long You +2
By using the infinite time-evolving block decimation, we study quantum fidelity and entanglement entropy in the spin-1/2 Heisenberg alternating chain under an external magnetic fie…
Quantum Parameter Estimation in the Unruh-DeWitt detector model
Xiang Hao, Yinzhong Wu
Relativistic effects on the precision of quantum metrology for particle detectors, such as two-level atoms are studied. The quantum Fisher information is used to estimate the phase…
Quantum speed-up transition in open system dynamics
Xiang Hao, Wenjiong Wu
The rate of the trace distance is used to evaluate quantum speed-up for arbitrary mixed states. Compared with some present methods, the approach based on trace distance can provide…
Thermal Quantum Speed Limit for Classical-Driving Open Systems
Wenjiong Wu, Kai Yan, Xiang Hao
Quantum speed limit (QSL) time for open systems driven by classical fields is studied in the presence of thermal bosonic environments. The decoherence process is quantitatively des…
Finite-temperature decoherence of spin states in a single molecular magnet
Xiang Hao, Xiaoqun Wang, Chen Liu +1
We investigate the quantum evolution of spin states of a single molecular magnet in a local electric field. The decoherence of a single molecula…