Feimi xi tong zhong de liang zi jiu chan

Deng Shusa = 费米系統中的量子纠缠 : 在一维哈伯德模型中的研究 / 邓蜀萨.Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.Includes bibliographical references (leaves 85-90).Text in English; abstracts in English and Chinese.Deng Shusa = Feimi xi tong zhong de liang zi jiu chan : zai yi wei Habode mo xing zhong de yan jiu / Deng Shusa.Abstract --- p.iAcknowledgement --- p.iiiChapter 1 --- Introduction --- p.1Chapter 1.1 --- Motivation --- p.1Chapter 1.2 --- Introduction to our study on quantum entanglement --- p.2Chapter 1.3 --- Introduction to Quantum Entanglement --- p.3Chapter 1.4 --- Introduction to Quantum Phase Transition --- p.7Chapter 1.5 --- Introduction to Extended Hubbard Model --- p.9Chapter 1.6 --- Arrangement of thesis writing --- p.14Chapter 2 --- Measurements of Entanglement --- p.15Chapter 2.1 --- Von neumann entropy --- p.16Chapter 2.2 --- Concurrence --- p.20Chapter 2.3 --- Negativity --- p.22Chapter 2.4 --- Other measurements --- p.24Chapter 3 --- Fermionic concurrence --- p.26Chapter 3.1 --- The model and formulism --- p.27Chapter 3.2 --- Extended Hubbard dimer with two electrons --- p.31Chapter 3.3 --- Dimer under a nonuniform field --- p.38Chapter 3.4 --- Large system for site=6 --- p.41Chapter 3.5 --- Negativity --- p.44Chapter 4 --- Block Entanglement --- p.48Chapter 4.1 --- The model and formulism --- p.50Chapter 4.2 --- Three-dimensional Phase diagram --- p.55Chapter 4.3 --- Entanglement change with block size and parameter --- p.62Chapter 4.4 --- Entanglement change with size and parameter --- p.66Chapter 4.5 --- Scaling behavior for block block entanglement --- p.70Chapter 4.6 --- Further discussion --- p.73Chapter 5 --- Conclusion --- p.82Bibliography --- p.8