D. G. Zhang

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Geometric quantum manipulation and Landau-Zener interferometry have been separately explored in many quantum systems. In this Letter, we combine these two approaches to study the dynamics of a superconducting phase qubit. We experimentally demonstrate Landau-Zener interferometry based on the pure geometric phases in this solid-state qubit. We observe the(More)
The Kibble-Zurek mechanism (KZM) predicts the density of topological defects produced in the dynamical processes of phase transitions in systems ranging from cosmology to condensed matter and quantum materials. The similarity between KZM and the Landau-Zener transition (LZT), which is a standard tool to describe the dynamics of some non-equilibrium physics(More)
The compass-type anisotropy appears naturally in diverse physical contexts with strong spin-orbit coupling (SOC) such as transition metal oxides and cold atomic gases etc, and it has been receiving substantial attention. Motivated by recent studies and particularly recent experimental observations on helimagnet MnGe, we investigate the critical roles of(More)
Objective: To discuss the feasibility, safety and oncologic completeness of modified minimally invasive video-assisted lateral neck dissection (MIVALND) for papillary thyroid carcinoma. Methods: Data of 130 patients from Department of Head and Neck Surgery, Sir Run Run Shaw Hospital, Medical School, Zhejiang University undergoing MIVALND from January 2013(More)
This study introduces the application of a new femoral distractor in the treatment of femoral fracture restoration with internal fixation of intramedullary nail. Sixty-three patients with femoral fracture from the Affiliated Hospital of Binzhou Medical University underwent femoral facture restoration with the new femoral distractor in combination with(More)
Landau-Zener transition (LZT) has been explored in a variety of physical systems for coherent population transfer between different quantum states. In recent years, there have been various proposals for applying LZT to quantum information processing because when compared to the methods using ac pulse for coherent population transfer, protocols based on LZT(More)
We study theoretically the localization of relativistic particles in disordered one-dimensional chains. It is found that the relativistic particles tend to delocalization in comparison with the nonrelativistic particles with the same disorder strength. More intriguingly, we reveal that the massless Dirac particles are entirely delocalized for any energy due(More)
Dan-Wei Zhang, ∗ Rui-Bin Liu, and Shi-Liang Zhu 1, 4, † Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, SPTE, South China Normal University, Guangzhou 510006, China Department of Physics and Center of Theoretical and Computational Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China National Laboratory of(More)
Zhi-Peng Gao, Dan-Wei Zhang, ∗ Yang Yu, and Shi-Liang Zhu 1, 3, † Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, SPTE, South China Normal University, Guangzhou 510006, China National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China Synergetic Innovation Center of(More)