A one-dimensional system with only off-diagonal disorder in which the absolute values of all the off-diagonal matrix elements are equa1 to a constant is studied w ith the renormalization group decimation method.It proves that all the eigenstates in the system are extended,regardless of the probability of the off-diagonal matrix elements being positive(or negative).
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机译：两岸四地累犯制度比较研究——兼论中国内地累犯制度一体化之构想 =Comparative Study on Recidivism System in Hong Kong, Macao, Taiwan and China: Concurrently Discuss the Conception of Recidivism System Integration in Mainland China
