In axially symmetric nuclei,three forms of paired states can be constructed,i.e.,monopole pair,signature pair and±Ωpair,which are the eigenstates of(J^(2),Jz),(J^(2)_(z),R_(x)(π)),and Jz,respectively.In the cra...In axially symmetric nuclei,three forms of paired states can be constructed,i.e.,monopole pair,signature pair and±Ωpair,which are the eigenstates of(J^(2),Jz),(J^(2)_(z),R_(x)(π)),and Jz,respectively.In the cranked shell model,though the energy spectra atω=0 are the same for three types of pair interactions,the spectra and spin alignments forω≠0 are different to a certain extent.It is found that theωvariation of the pair transfer amplitude,particularly the diabolic pair transfer,is quite different for different pair interactions.展开更多
Using the particle-number-conserving method we show that the observed downturn of J(2) of the superdeformed band 194Hg(1) can be satisfactorily accounted for, provided that both the monopole and quadrupole pairing int...Using the particle-number-conserving method we show that the observed downturn of J(2) of the superdeformed band 194Hg(1) can be satisfactorily accounted for, provided that both the monopole and quadrupole pairing interaction are included in the cranked shell model Hamiltonian.展开更多
文摘In axially symmetric nuclei,three forms of paired states can be constructed,i.e.,monopole pair,signature pair and±Ωpair,which are the eigenstates of(J^(2),Jz),(J^(2)_(z),R_(x)(π)),and Jz,respectively.In the cranked shell model,though the energy spectra atω=0 are the same for three types of pair interactions,the spectra and spin alignments forω≠0 are different to a certain extent.It is found that theωvariation of the pair transfer amplitude,particularly the diabolic pair transfer,is quite different for different pair interactions.
基金Supported by the National Natural Science Foundation of China under Grant No.19675002.
文摘Using the particle-number-conserving method we show that the observed downturn of J(2) of the superdeformed band 194Hg(1) can be satisfactorily accounted for, provided that both the monopole and quadrupole pairing interaction are included in the cranked shell model Hamiltonian.
