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quant-ph2018
Geometric Phases in Majorana Zero-Energy State
Zheng-Chuan Wang
The usual Berry phase for a Majorana zero-energy state is zero. In this manuscript, we propose a generalized geometric phase for Majorana zero-energy state, which is non-zero for t…
quant-ph2018
The Sub-Geometric Phases in Density Matrix
Zheng-Chuan Wang
In this letter, the generalization of geometric phase in density matrix is presented, we show that the extended sub-geometric phase have unified expression whatever in adiabatic or…