Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/13380
Title: Quantum geometric phase
Authors: WANG ZISHENG
Keywords: Geometric phase, Geometric quantum computation
Issue Date: 1-Nov-2007
Source: WANG ZISHENG (2007-11-01). Quantum geometric phase. ScholarBank@NUS Repository.
Abstract: My thesis includes two parts. In first part, we firstly study the relations betweenthe Berry's approach, Aharonov and Anandan's approach and dynamical invariantapproach to the geometric phase. Then, we propose a definition about the geometricphase in the open system in terms of its geometric structure.In second part, a new scheme to realize nonadiabatic geometric quantum compu-tation is firstly proposed by varying parameters in the Hamiltonian for the nuclear-magnetic-resonance systems. Then the method is expanded to the cavity QEDsystem. At last, we propose the definition about quantum tunneling time by usingthe geometric phase in quantum tunneling process.
URI: http://scholarbank.nus.edu.sg/handle/10635/13380
Appears in Collections:Ph.D Theses (Open)

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