Abstract
A general WGHZ state is given, different entanglement W states are deduced by means of the general WGHZ state, different disentanglement conditions are obtained. When taking different complex coefficients of the general WGHZ state as zero, there are different disentanglements, and different W states and different Bell basic vectors are achieved. The above disentanglement results agree with the results obtained from the usual disentanglement condition of decomposable property of density matrices. By constructing a 5×5 diagonal projection transformation matrix, the problem of the recovery of state distortion is salved when using general entanglement channels and not introducing an accessorial state, and the diagonal projection transformation matrix UM is different to that of the other references and is a direct transformion matrix. Furthermore, the problem of probabilistic teleportation of a general WGHZ state is solved without introducing an accessorial state using the general entanglement channels. The diagonal projection transformation matrix method developed in this paper may be directly generalized to probabilistic teleportation of general entanglement states.
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