A Note on the Two-Level Pairing Model Obeying the su(2)*su(2)-Algebra
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⚛️ nucl-th
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algebrabosonrepresentationmodelobeyingpairingschwingertwo-level
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The two-level pairing model obeying the su(2)*su(2)-algebra, which was discussed in the previous paper, is re-formed in the framework of the su(1,1)*su(1,1)-algebra in the Schwinger boson representation. With the aid of MYT mapping method, the Schwinger boson representation is reduced to the Holstein-Primakoff boson representation, which is expressed in terms of two kinds of bosons. Further, with the aid of the squeezed coherent state, the classical counterpart is obtained.
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