Search Results - "Draayer, J. P."

Physics of Nuclei: Key Role of an Emergent Symmetry by Dytrych, T, Launey, K D, Draayer, J P, Rowe, D J, Wood, J L, Rosensteel, G, Bahri, C, Langr, D, Baker, R B

“…We show through first-principles nuclear structure calculations that the special nature of the strong nuclear force determines highly regular patterns…”
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Physical significance of q deformation and many-body interactions in nuclei by SVIRATCHEVA, K. D, BAHRI, C, GEORGIEVA, A. I, DRAAYER, J. P

“…The quantum deformation concept is applied to a study of pairing correlations in nuclei with mass 40< or =A< or =100. While the nondeformed limit of the theory…”
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Collective modes in light nuclei from first principles by Dytrych, T, Launey, K D, Draayer, J P, Maris, P, Vary, J P, Saule, E, Catalyurek, U, Sosonkina, M, Langr, D, Caprio, M A

“…Results for ab initio no-core shell model calculations in a symmetry-adapted SU(3)-based coupling scheme demonstrate that collective modes in light nuclei…”
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An algebraic projection procedure for construction of the basis vectors of irreducible representations of U(4) in the SuS(2)⊗suT(2) basis by Pan, Feng, Wu, Yingxin, Li, Aoxue, Zhang, Yuqing, Dai, Lianrong, Draayer, J. P.

“…An effective algebraic spin–isospin projection procedure for constructing basis vectors of irreducible representations of U(4) ⊃ SU S (2) ⊗ SU T (2) from those…”
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Impact of Clustering on the Li 8 β Decay and Recoil Form Factors by Sargsyan, G. H., Launey, K. D., Burkey, M. T., Gallant, A. T., Scielzo, N. D., Savard, G., Mercenne, A., Dytrych, T., Langr, D., Varriano, L., Longfellow, B., Hirsh, T. Y., Draayer, J. P.

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Quantum information entropies for a squared tangent potential well by Dong, Shishan, Sun, Guo-Hua, Dong, Shi-Hai, Draayer, J.P.

“…The particle in a symmetrical squared tangent potential well is studied by examining its Shannon information entropy and standard deviations. The position and…”
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Algebraic solutions of an extended pairing model for well deformed nuclei by FENG PAN, GUEORGUIEV, V. G, DRAAYER, J. P

“…A Nilsson mean-field plus extended pairing interaction Hamiltonian with many-pair interaction terms is proposed. Eigenvalues of the extended pairing model are…”
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Extended Heine-Stieltjes polynomials related to the isovector pairing model by Pan, Feng, He, Yingwen, Li, Aoxue, Wang, Yu, Wu, Yingxin, Draayer, J. P.

“…New polynomials related to the mean-field plus isovector pairing model are constructed based on the Stieltjes correspondence. It is shown that there is an…”
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Strong hyperon-nucleon pairing in neutron stars by ZHOU, Xian-Rong, SCHULZE, H.-J, FENG PAN, DRAAYER, J. P

“…We explore the possibilities of hyperon-nucleon pairing, involving lambda or sigma- hyperons, using different Nijmegen hyperon-nucleon potentials. We find…”
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Euclidean dynamical symmetry in nuclear shape phase transitions by Zhang, Yu, Liu, Yu-Xin, Pan, Feng, Sun, Yang, Draayer, J.P.

“…The Euclidean dynamical symmetry hidden in the critical region of nuclear shape phase transitions is revealed by a novel algebraic F(5) description. With a…”
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A New Kind of Shift Operators for Infinite Circular and Spherical Wells by Sun, Guo-Hua, Launey, K. D., Dytrych, T., Dong, Shi-Hai, Draayer, Jerry

“…A new kind of shift operators for infinite circular and spherical wells is identified. These shift operators depend on all spatial variables of quantum systems…”
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Exact solution of spherical mean-field plus multi-pair interaction model with two non-degenerate j-orbits by Pan, Feng, Li, Dongkang, Cui, Sai, Zhang, Yú, Feng, Ziwei, Draayer, J. P.

“…The exact solution of spherical mean-field plus multi-pair interaction model with two non-degenerate j -orbits, which is an extension of the widely used…”
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Confined one-dimensional harmonic oscillator as a two-mode system by Gueorguiev, V. G., Rau, A. R. P., Draayer, J. P.

“…The one-dimensional harmonic oscillator in a box is possibly the simplest example of a two-mode system. This system has two exactly solvable limits, the…”
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High spin states in stable nucleus 84Sr by Kang, XuZhong, Shen, ShuiFa, Han, GuangBing, Pan, Feng, Gu, JianZhong, Draayer, J. P., Wu, XiaoGuang, Zhu, LiHua, Wen, TingDun

“…High spin states of 84 Sr were populated through the reaction 70 Zn( 18 O, 4n) 84 Sr at 75 MeV beam energy. Measurement of excitation function, γ-γ…”
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Understanding nuclear dynamics in the SD-pair shell model: From pre-vibration to collective rotation by He, Bing-Cheng, Zhang, Si-Yao, Zhang, Yu, Luo, Yan-An, Pan, F., Draayer, J. P.

“… Influences of some important residual interactions considered in the shell model on nuclear dynamics and the shape phase evolution have been investigated in…”
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Programs for generating Clebsch–Gordan coefficients of SU(3) in SU(2) and SO(3) bases by Bahri, C., Rowe, D.J., Draayer, J.P.

“…Computer codes are developed to calculate Clebsch–Gordan coefficients of SU(3) in both SU(2)- and SO(3)-coupled bases. The efficiency of this code derives from…”
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Emergent symmetries in atomic nuclei: Probing nuclear dynamics and physics beyond the standard model by Launey, Kristina D., Becker, K. S., Sargsyan, G. H., Molchanov, O. M., Burrows, M., Mercenne, A., Dytrych, T., Langr, D., Draayer, J. P.

“…Dominant shapes naturally emerge in atomic nuclei from first principles, thereby establishing the shape-preserving symplectic Sp(3, \mathbb{R} ℝ ) symmetry as…”
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Symmetry-based approach to ground-state properties of the one-dimensional negative-U Bose-Hubbard trimer model by Pan, Feng, Wang, Yin, Qiao, Yan, Bu, Xianzhe, Draayer, J P

“…It is shown that the ground state of the one-dimensional negative-U three-site Bose-Hubbard (trimer) model with periodic (boundary) condition or for a closed…”
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Antisoliton model for fission modes by Stoitcheva, G., Ludu, A., Draayer, J.P.

“…Antisolitons traveling on the surface of a nucleus are shown to generate highly deformed shapes. The dynamics is based on solutions of the non-linear…”
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The progressive solutions for the Dicke Hamiltonian by Bao, Lina, Pan, Feng, Li, Xiaotong, Liang, Xiao, Draayer, J. P.

“…A progressive diagonalization scheme for the Dicke Hamiltonian, which describes the interaction of N two-level atoms with a single-mode radiation field via a…”
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