文摘
英文文摘
1 Introduction
2 The Method for Investigating Entanglement
2.1 Von Neumann entropy
2.2 Linear entropy
2.3 Concurrence
3 operator entanglement
4 Entanglement of Geometric quantum phase shift gate
4.1 quantum geometric phase
4.2 geometric phase shift gate
4.3 entanglement of two-qubit gate
4.4 Entanglement of two-qudit gate
5 Summary
Acknowledgement
Bibliography