In this paper two kinds of two-boson realizations of generally deformed algebras with three generators are obtained by generalizing the Jordan-Schwlnger realizations of SU(2) and SU(1,1). For each kind, a unitary ...In this paper two kinds of two-boson realizations of generally deformed algebras with three generators are obtained by generalizing the Jordan-Schwlnger realizations of SU(2) and SU(1,1). For each kind, a unitary realization and a non-unitary realizatlon, together with the properties of their acting spaces, are discussed. Similarity transformations that relate the non-unitary realizations to the unitary ones are given by solving unitarization equations.展开更多
An approach considering both pairing and anti-pairing correlations in superdeformed(SD)states is proposed.Calculated results show that not only the general changing feature but also the turnover of dynamical moment of...An approach considering both pairing and anti-pairing correlations in superdeformed(SD)states is proposed.Calculated results show that not only the general changing feature but also the turnover of dynamical moment of inertia with rotational frequency of the first SD band of ^(192)Hg,^(194)Hg,and ^(152)Dy are well described in the approach.It indicates that there exist competition,even change-over between the anti-pairing and pairing effects in the SD states in A~190 and 150 ranges.展开更多
基金The project supported by National Natural Science Foundations of China under Grant Nos. 10275038 and 60635040, and partly by the State Key Research Development Program under Grant No. G2000077400
文摘In this paper two kinds of two-boson realizations of generally deformed algebras with three generators are obtained by generalizing the Jordan-Schwlnger realizations of SU(2) and SU(1,1). For each kind, a unitary realization and a non-unitary realizatlon, together with the properties of their acting spaces, are discussed. Similarity transformations that relate the non-unitary realizations to the unitary ones are given by solving unitarization equations.
基金Supported by the National Natural Science Foundation of China under Grant No.19375001.
文摘An approach considering both pairing and anti-pairing correlations in superdeformed(SD)states is proposed.Calculated results show that not only the general changing feature but also the turnover of dynamical moment of inertia with rotational frequency of the first SD band of ^(192)Hg,^(194)Hg,and ^(152)Dy are well described in the approach.It indicates that there exist competition,even change-over between the anti-pairing and pairing effects in the SD states in A~190 and 150 ranges.