Nuclear Science References (NSR)

A New Boson Realization of the Two-Level Pairing Model in a Many-Fermion System and Its Classical Counterpart - The Role of the su(2) (x) su(1, 1)-Coherent State in the Schwinger Boson Representation for the su(2) (x) su(2)-Algebra-

doi: 10.1143/PTP.115.739
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2006PR11 Prog.Theor.Phys.(Kyoto) 115, 759 (2006)

C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

A Note on the Two-Level Pairing Model Obeying the su(2) (x) su(2)-Algebra -Re-formation in Terms of the su(1, 1) (x) su(1, 1)-Algebra

doi: 10.1143/PTP.115.759
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2006PR17 Prog.Theor.Phys.(Kyoto) 116, 87 (2006)

C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

The Lipkin Model in Many-Fermion System as an Example of the su(1, 1) (X) su(1, 1)-Algebraic Model

2006TS01 Prog.Theor.Phys.(Kyoto) 115, 129 (2006)

Y.Tsue, J.da Providencia, A.Kuriyama, M.Yamamura

On Parametric Resonance in Quantum Many-Body System - Collective Motion and Quantum Fluctuation around It in Coupled Lipkin Model -

doi: 10.1143/PTP.115.129
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2005NI03 Prog.Theor.Phys.(Kyoto) 113, 153 (2005)

S.Nishiyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

On the Eigenvalue Problem of the su(1, 1)-Algebra, and the Coupling Scheme of Two su(1, 1)-Spins

doi: 10.1143/PTP.113.153
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2005NI06 Prog.Theor.Phys.(Kyoto) 113, 555 (2005)

S.Nishiyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

A Note on the Eigenvalue Problem in the su(1, 1)-Algebra

doi: 10.1143/PTP.113.555
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2005NI07 Prog.Theor.Phys.(Kyoto) 113, 563 (2005)

S.Nishiyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

A Possible Boson Realization of the so(4)- and the so(3, 1)-Algebra - In Relation to the Runge-Lenz-Pauli Vector -

doi: 10.1143/PTP.113.563
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2005PR14 Prog.Theor.Phys.(Kyoto) 114, 57 (2005)

C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

The Lipkin Model in the su(M+1)-Algebra for Many-Fermion System and Its Counterpart in the Schwinger Boson Representation

doi: 10.1143/PTP.114.57
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2004KU09 Prog.Theor.Phys.(Kyoto) 111, 509 (2004)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

Deformed Boson Scheme Stressing Even-Odd Boson Number Difference. III - Parameter-Dependent Deformation -

doi: 10.1143/PTP.111.509
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2004YA30 Prog.Theor.Phys.(Kyoto) 112, 997 (2004)

M.Yamamura, C.Providencia, J.da Providencia, Y.Tsue, J.da Providencia, Jr.

Coupling Schemes for an n su(2) Spin System

doi: 10.1143/PTP.112.997
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2003KU38 Prog.Theor.Phys.(Kyoto) 109, 77 (2003)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

The su(1, 1)-Algebraic Boson Model in the Deformed Boson Scheme - The Second Holstein-Primakoff Representation as q-Deformed Boson Operator -

doi: 10.1143/PTP.109.77
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2003KU39 Prog.Theor.Phys.(Kyoto) 110, 517 (2003)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

Deformed Boson Scheme Even-Odd Boson Number Difference. I - Various Forms of Boson-Pair Coherent State -

doi: 10.1143/PTP.110.517
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2003KU42 Prog.Theor.Phys.(Kyoto) 110, 757 (2003)

A.Kuriyama, J.da Providencia, M.Tsue, M.Yamamura

Imperfect Bose System and Its Mixed State Representation. II - Numerical Analysis with a Short-Range Repulsive Force -

doi: 10.1143/PTP.110.757
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2003KU43 Prog.Theor.Phys.(Kyoto) 110, 1071 (2003)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

Deformed Boson Scheme Stressing Even-Odd Boson Number Difference. II - Unified Forms of Boson-Pair Coherent States in Even- and Odd-Boson Systems -

doi: 10.1143/PTP.110.1071
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2002KU06 Prog.Theor.Phys.(Kyoto) 107, 43 (2002)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Pairing Model and Mixed State Representation. II - Grand Partition Function and Its Mean Field Approximation -

doi: 10.1143/PTP.107.43
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2002KU07 Prog.Theor.Phys.(Kyoto) 107, 65 (2002)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

Deformed Boson Scheme Including Conventional q-Deformation in Time-Dependent Variational Method. III - Deformation of the su(2, 1)-Algebra in Terms of Three Kinds of Boson Operators -

doi: 10.1143/PTP.107.65
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2002KU38 Prog.Theor.Phys.(Kyoto) 108, 533 (2002)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Even-Odd Effect on the Thermal Equilibrium State of the Pairing Model. I - Comparison between Canonical and Grand Canonical Ensembles -

doi: 10.1143/PTP.108.533
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2002KU39 Prog.Theor.Phys.(Kyoto) 108, 545 (2002)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Even-Odd Effect on the Thermal Equilibrium State of the Pairing Model. II - Mean Field Approximation and Renormalized Distribution -

doi: 10.1143/PTP.108.545
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2002KU40 Prog.Theor.Phys.(Kyoto) 108, 323 (2002)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

Deformed Boson Scheme including Conventional q-Deformation in Time-Dependent Variational Method. IV - The su(2)_q- and the su(1, 1)_q- Algebras in Four Kinds of Boson Operators -

doi: 10.1143/PTP.108.323
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2001AK06 Prog.Theor.Phys.(Kyoto) 105, 717 (2001)

H.Akaike, Y.Tsue, C.Providencia, J.da Providencia, A.Kuriyama, M.Yamamura

Utility of su(1, 1)-Algebra in a Schematic Nuclear su(2)-Model

doi: 10.1143/PTP.105.717
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2001KU11 Prog.Theor.Phys.(Kyoto) 105, 729 (2001)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Pairing Model and Mixed State Representation. I - Thermal Equilibrium State -

doi: 10.1143/PTP.105.729
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2001KU12 Prog.Theor.Phys.(Kyoto) 105, 933 (2001)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

A Possible Boson Realization of Generalized Lipkin Model for Many-Fermion System - The su(M + 1)-Algebraic Model in Non-Symmetric Boson Representation -

doi: 10.1143/PTP.105.933
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2001KU15 Prog.Theor.Phys.(Kyoto), Suppl. 141, 113 (2001)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Time-Evolution of the Coherent and the Squeezed States of Many-Body Systems Based on the Basic Idea of the Boson Mapping and the TDHF Method

doi: 10.1143/PTPS.141.113
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2001KU24 Prog.Theor.Phys.(Kyoto) 106, 751 (2001)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

Deformed Boson Scheme Including Conventional q-Deformation in Time-Dependent Variational Method. I - The Case of Many-Body Systems Consisting of One Kind of Boson Operator -

doi: 10.1143/PTP.106.751
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2001KU25 Prog.Theor.Phys.(Kyoto) 106, 765 (2001)

A.Kuriyama, C.Providencia, J.da Providencia, Y.Tsue, M.Yamamura

Deformed Boson Scheme Including Conventional q-Deformation in Time-Dependent Variational Method. II - Deformation of the su(2)- and the su(1, 1)-Algebras in the Schwinger Boson Representation -

doi: 10.1143/PTP.106.765
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2000KU18 Prog.Theor.Phys.(Kyoto) 103, 733 (2000)

A.Kuriyama, C.Providencia, J.da Providencia, M.Yamamura

The Lipkin Model in a New Boson Realization - Basic Idea -

doi: 10.1143/PTP.103.733
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2000KU26 Prog.Theor.Phys.(Kyoto) 104, 143 (2000)

A.Kuriyama, C.Providencia, J.da Providencia, M.Yamamura

On the Coupling of Two su(1, 1) Spins in the Holstein-Primakoff Type Boson Representation

doi: 10.1143/PTP.104.143
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2000KU27 Prog.Theor.Phys.(Kyoto) 104, 155 (2000)

A.Kuriyama, C.Providencia, J.da Providencia, M.Yamamura

A Note on a Boson Realization in Many-Boson System

doi: 10.1143/PTP.104.155
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2000KU39 Prog.Theor.Phys.(Kyoto) 104, 555 (2000)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Imperfect Bose System and Its Mixed State Representation. I - Thermal Equilibrium State of Imperfect Bose System -

doi: 10.1143/PTP.104.555
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2000YA19 Prog.Theor.Phys.(Kyoto) 104, 385 (2000)

M.Yamamura, A.Kuriyama, T.Kunihiro

Schwinger-Type Boson Realizattion for Three-Sub-Algebras of the su(4) Algebra - The so(5), the so(4) and the su(2) x su(2) Algebra -

doi: 10.1143/PTP.104.385
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2000YA20 Prog.Theor.Phys.(Kyoto) 104, 401 (2000)

M.Yamamura, A.Kuriyama, T.Kunihiro

Schwinger-Type Boson Realization for the su(4) Algebra - In Relation to the Description of Many-Fermion Systems in Pairing Correlation -

doi: 10.1143/PTP.104.401
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1999KU25 Prog.Theor.Phys.(Kyoto) 101, 1001 (1999)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Instability of Thermal Equilibrium State of the Lipkin Model

doi: 10.1143/PTP.101.1001
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1998KU18 Prog.Theor.Phys.(Kyoto) 99, 819 (1998)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

Modification of the Conventional Holstein-Primakoff Boson Representation for the su(1, 1)-Algebra and Its Classical Counterpart

doi: 10.1143/PTP.99.819
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1998KU30 Prog.Theor.Phys.(Kyoto) 100, 993 (1998)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

A Possible Description of Many-Body System Composed of Three Kinds of Boson Operators - The su(2, 1)-Boson Model -

doi: 10.1143/PTP.100.993
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1998KU32 Prog.Theor.Phys.(Kyoto) 100, 1181 (1998)

A.Kuriyama, J.da Providencia, Y.Tsue, M.Yamamura

A Boson System Interacting with an External Harmonic Oscillator - A Possible Description of Statistically Mixed State -

doi: 10.1143/PTP.100.1181
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1995TS06 Prog.Theor.Phys.(Kyoto) 93, 541 (1995)

Y.Tsue, A.Kuriyama, M.Yamamura

On the Hamiltonians Expressed in Terms of su(1, 1)-Generators for Describing Thermal Effects in Nuclear su(2)-Models

doi: 10.1143/ptp/93.3.541
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1994DA18 Phys.Rev. C50, 1720 (1994)

J.da Providencia, M.Yamamura, A.Kuriyama

Perturbative Description of the Temperature Dependence of the Resonance Width

doi: 10.1103/PhysRevC.50.1720
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1989YA16 Prog.Theor.Phys.(Kyoto) 82, 744 (1989)

M.Yamamura, M.Huyse, P.Van Duppen, K.Heyde

An Application of the Extended TDHF Method to the 0⁺ Intruder States in Even Pb Nuclei

NUCLEAR STRUCTURE ^{190,192,194,196,198,200,202,204,206,208}Pb; calculated intruder state energies. Extended TDHF.

doi: 10.1143/PTP.82.744
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1972EI03 Nucl.Phys. A182, 33 (1972)

J.Eichler, M.Yamamura

Quadrupling and Pairing in the Shell Model

doi: 10.1016/0375-9474(72)90200-X
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1972NI10 Prog.Theor.Phys. 47, 134 (1972)

S.Nishiyama, M.Yamamura

Collective Rotational Motion in Non-Degenerate Nuclear System. I

doi: 10.1143/PTP.47.134
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1971IW02 Progr.Theor.Phys. 46, 1440 (1971)

M.Iwasaki, M.Yamamura

On the Ground-State Correlations of Vibrating Closed-Shell Nucleus Due To the Residual Interaction

1971YA09 Progr.Theor.Phys. 46, 148 (1971)

M.Yamamura

A Consistent Microscopic Description of Rotational Motion in Even-Even Deformed Nuclei

doi: 10.1143/PTP.46.148
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