-
``Analytical formula for numerical evaluations of the Wigner rotation matrices at high spins'',
Naoki Tajima,
Physical Review C, 91, 014320 (January 22, 2015) [5 pages].
-
``Nuclear prolate-shape dominance with the Woods-Saxon potential'',
S. Takahara, N. Tajima, and Y. R. Shimizu,
Physical Review C, 86, 064323 (December, 2012) [13 pages].
-
``Angular correlation between proton and neutron rotors'',
N. Tajima,
An invited talk at
International Symposium on Exotic Nuclear Structure From Nucleons,
October 10-12, 2012, Koshiba Hall, University of Tokyo, Hongo, Tokyo, Japan
-
``Meaning of antiparallel proton and neutron angular momenta at low spins'',
Naoki Tajima and Takaharu Otsuka,
Physical Review C, 84, 064316 (December, 2011) [8 pages].
-
``The role of spin-orbit potential in nuclear prolate-shape dominance'',
Satoshi Takahara, Naoki Onishi, Yoshifumi R. Shimizu, Naoki Tajima,
Physics Letters B,
Volume 702, Issue 5, 26 August 2011, Pages 429-432
-
``Method to circumvent the neutron gas problem in the BCS treatment for nuclei far from stability'',
Toshiya Ono, Yoshifumi R. Shimizu, Naoki Tajima, Satoshi Takahara,
Physical Review C, 82, 034310 (September, 2010) [11 pages].
-
``Improved microscopic-macroscopic approach incorporating the effects of continuum states'',
Naoki Tajima, Yoshifumi R. Shimizu, Satoshi Takahara,
Physical Review C, 82, 034316 (September, 2010) [28 pages].
[Related talk]
``Treatment of the continuum states in the Woods-Saxon Strutinsky method'',
S. Takahara, Y.R. Shimizu, and N. Tajima,
International Nuclear Physics Conference, Tokyo, Japan, June 3-8, 2007.
Poster session, QM-066
(June 4, 2007 Nuclear Structure-1, 16:00-20:00, Hall B5 Lobby)
- ``Continuum effects on the pairing in neutron drip-line nuclei
studied with the canonical-basis HFB method'',
Naoki Tajima,
proceedings of 4th International Conference on Exotic Nuclei and Atomic Masses,
September 12-16, 2004, Pine Mountain, Georgia, USA,
published in European Physical Journal A Direct,
ISSN:-A1434-6001 (Paper) 1434-601X (Online)
- ``Nodal Lines in the Cranked HFB Overlap kernels'',
Makito Oi and Naoki Tajima,
Physics Letters, B606, Issues 1-2, Pages 43-51 (20 January 2005).
-
``Canonical-basis solution of the Hartree-Fock-Bogoliubov equation on
three-dimensional Cartesian mesh'',
Naoki Tajima,
Physical Review C, 69, 034305 (March 2004) [22 pages].
[Related report]
``Pairing correlation involving the continuum states'',
N. Tajima,
proceedings of a Riken International Symposium
on Models and Theories of the Nuclear Mass,
July 19-23, 1999, RIKEN, Wako-shi, Saitama, Japan;
RIKEN Review No.26 (2000.1) focused on Models and Theories of the Nuclear Mass,
pp. 87 - 94.
[Related talk]
"Caconical Basis HFB on 3D mesh for pairing correlation in neutron-rich nuclei",
N.Tajima
a talk at a Workshop "Nuclear Structure for the 21st Century" (INT_00_3),
October 2 - December 10, 2000, at the Institute for Nuclear Theory (INT),
Univ. Washington, Seattle, USA,
[Related report]
Cut-off schemes for zero-range pairing interactions in canonical-basis
Hartree-Fock-Bogoliubov method,
N. Tajima,
RIKEN Review No.25 (November, 1999) High Performance Computing in RIKEN 1998,
pp.75-77.
[Related report]
Solution of the Hartree-Fock-Bogoliubov equation on 3D Cartesian mesh in the canonical representation,
N.Tajima,
RIKEN Review No.19 (October, 1998) High Performance Computing in RIKEN 1997,
pp.29-33.
-
``Origin of prolate dominance of nuclear deformation'',
N. Tajima, Y.R. Shimizu, and N. Suzuki,
proceedings of Yukawa International Seminar 2001 (YKIS01)
on Physics of Unstable Nuclei,
November 5-10, 2001,
Yukawa Instiute for Theoretical Physics, Kyoto University, Japan;
Progress of Theoretical Physics supplement 146, pp.628-629
(Dec, 2002).
-
``Prolate dominance of nuclear shape caused by
a strong interference between the effects of spin-orbit and l^2 terms
of the Nilsson potential'',
Naoki Tajima and Norifumi Suzuki,
Physical Review C, 64, 037301 (September, 2001) [4 pages].
This is the first paper resulting from my collaboartions with students of Fukui University.
[Related talk]
"Why are there much more prolate nuclei than oblate ones ?"
N.Tajima and N.Suzuki
a talk at a Workshop "Nuclear Structure for the 21st Century" (INT_00_3),
October 2 - December 10, 2000, at the Institute for Nuclear Theory (INT),
Univ. Washington, Seattle, USA,
- Slide (photographs of monochrome copies of OHP sheets)
-
``Hartree-Fock+BCS approach to unstable nuclei with the Skyrme force'',
Naoki Tajima,
Progress of Theoretical Physics,
Supplement No. 142 on Physics of Unstable Nuclei, pp. 265-296 (2001).
-
``Study of Superdeformation in Non-rotating States using the
Skyrme-Hartree-Fock Method'',
S. Takahara, N. Tajima, and N. Onishi,
Nuclear Physics, Vol. A642, Nos. 3,4, pp. 461-479 (November 9, 1998).
This paper covers the principal results of the doctor thesis of Dr. Takahara.
"Comparison with the results of the
Nilsson Strutinsky method"
This is an unpublished part of the doctor thesis of Dr. Takahara.
It was included in the original version of our paper.
But a referee insisted that it should be eliminated.
[Related report]
"Study of Superdeformation with Skyrme-Hartree-Fock Method",
Naoki Tajima, Satoshi Takahara, and Naoki Onishi,
in Riken Super-computer user report for fiscal year 1996
[Related report]
"Study of Superdeformation with Skyrme-Hartree-Fock Method",
Satoshi Takahara, Naoki Tajima, and Naoki Onishi,
KEK Proceedings 97-10 / JHF-97-4 / August 1997/ H,
The proceedings of the workshop on science with radioactive nuclear beams '96,
January 10-13, 1997, INS Tanashi, Japan,
edited by S. Kubono, T. Nakamura, K. Otsuka, and I. Katayama,
High energy accelerator research organization,
pp. 264 - 268.
-
``Signature and angular momentum in 3d-cranked HFB states'',
M. Oi, N. Onishi, N. Tajima, and T. Horibata,
Physics Letters, Vol. B418, pp. 1-6 (January, 1998).
[Related report]
Signature and angular momentum in 3d-cranked HFB states,
M.Oi, N.Onishi, T.Horibata, and N.Tajima,
RIKEN Review No.19 (October, 1998) High Performance Computing in RIKEN 1997,
pp.23-26.
[Related report]
Angular momentum projection in 3-dimensional self-consistent cranking model,
N. Onishi, M.Oi, N. Tajima, and T.Horibata
High Performance Computing in RIKEN 1995 (ISSN 1342-3428),
pp. 51 - 54.
-
``Hartree-Fock-Bogoliubov for deformed neutron-rich nuclei'',
N. Tajima,
proceedings of the XVII RCNP International Symposium
on Innovative Computational Methods in Nuclear Many-Body Problems
- Towards a new generation of physics in finite quantum systems -
(INNOCOM97), Osaka, Japan, 10-15 November 1997,
edited by H. Horiuchi, M. Kamimura, H. Toki, F. Fujiwara, M. Matsuo,
and Y. Sakuragi,
(1998) World Scientific (Singapore) , pp. 343 - 351.
-
``Reaction Cross Sections and Radii of A=17 and A=20 Isobars'',
H. Kitagawa, N. Tajima, and H. Sagawa,
Zeitschrift fur Physik, Vol. A358, pp.381-387, (September, 1997).
-
``Skyrme-Hartree-Fock in Cartesian-mesh representation'',
N. Tajima, S. Takahara, and N. Onishi,
RIKEN Review No.14 focused on
``Computational Science and Engineering'' (1996) 23-24.
-
``Extensive Hartree-Fock+BCS calculation with Skyrme SIII force'',
N. Tajima, S. Takahara, and N. Onishi,
Nuclear Physics, Vol. A603, No.1, pp. 23-49 (June 10, 1996).
[Related workshop report]
Naoki Tajima, Satoshi Takahara, and Naoki Onishi,
"Systematic study of even-even nuclei with Hartree-Fock+BCS method
using Skyrme SIII force",
JAERI-Conf 97-004 / INDC(JPN)-178/U, pp. 149 - 158.
proceedings of the first internet symposium on nuclear data (ISND-1) /
April 8 - June 15, 1996, JAERI, Tokai, Ibaraki, Japan /
March 1997, eds. Tokio Fukahori, Osamu Iwamoto, and Tsuneo Nakagawa,
Japan Atomic Energy Research Institute
[Related talk]
``Skyrme Hartree-Fock-Bogoliubov on 3D-mesh'',
N. Tajima,
proceedings of the Third Japan-China Joint Nuclear Physics
Symposium - Recent Topics in Nuclear Physics - held on July 24 - 29,
1997, in Sendai, Ogatsu, and Niigata (Japan), pp. 262 - 266,
an invited talk (I think that every participant was invited.)
[Related report]
Systematics of even-even nuclei with Skyrme-Hartree-Fock method,
N. Tajima, S. Takahara, and N. Onishi,
High Performance Computing in RIKEN 1995 (ISSN 1342-3428),
pp. 85 - 87.
-
``Deformed Hartree-Fock Calculation of Proton-Rich Nuclei'',
N. Tajima, N. Onishi, and S. Takahara,
proceedings of an international symposium on Physics of Unstable Nuclei
held on October 31 - November 3, 1994, in Niigata (Japan),
edited by H. Horiuchi, K. Ikeda, K. Sato, Y. Suzuki, and I. Tanihata;
Nuclear Physics, Vol. A588, pp. c215-c220 (1995).
-
``Pairing Correlation in Nuclear Matter from Skyrme Force'',
S. Takahara, N. Onishi, and N. Tajima,
Physics Letters, Vol. B331, pp. 261-265 (July, 1994).
-
``Roles of Triaxiality and Residual Interaction in Signature
Inversions of A ~ 130 Odd-odd Nuclei'',
N. Tajima,
Nuclear Physics, Vol. A572, pp. 365-383 (May, 1994).
-
``Microscopic approach to collective motion'',
P. Bonche, E. Chabanat, B.Q. Chen, J. Dobaczewski, H. Flocard, B. Gall,
P.-H. Heenen, J. Meyer, N. Tajima, and M.S. Weiss,
proceedings of an international conference
``Perspectives in nuclear structure''
held on June 14-19, 1993, at Niels Bohr institute,
edited by J.J. Gaardhoje, B. Herskind, B. Mottelson, Aa. Winther,
and I. Hamamoto;
Nuclear Physics, Vol. A574, pp. 185-205 (1994).
-
``Self-Consistent Calculation of Charge Radii of Pb isotopes'',
N. Tajima, P. Bonche, H. Flocard, P.-H. Heenen, and M.S. Weiss,
Nuclear Physics, Vol. A551, pp. 434-450 (January, 1993).
-
``Diabatic Effects in 186 Pb: A Generator-Coordinate Analysis'',
N. Tajima, H. Flocard, P. Bonche J. Dobaczewski, and P.-H. Heenen,
Nuclear Physics, Vol. A551, pp. 409-433 (January, 1993).
-
``Generator Coordinate Kernels between Zero- and Two-Quasiparticle BCS
States'',
N. Tajima, H. Flocard, P. Bonche J. Dobaczewski, and P.-H. Heenen,
Nuclear Physics, Vol. A542, pp. 355-367 (June, 1992).
-
``Diabatic Effects and Shape Coexistence
in Neutron Deficient Pb Isotopes'',
N. Tajima, P. Bonche, J. Dobaczewski, H. Flocard, and P.-H. Heenen,
proceedings of an international conference
``Nuclear Shapes and Nuclear Structure at Low Excitation Energies''
held on June 3-7, 1991, in Cargese (Corsica),
edited by M. Vergnes, J. Sauvage, P.-H. Heenen, and H.T. Duong,
(1992) Plenum Press (New York),
pp. 169 - 175.
-
``The Hartree-Fock+BCS and Generator Coordinate Methods'',
P.-H. Heenen, P. Bonche, J. Dobaczewski, H. Flocard, S.J. Krieger,
J. Meyer, J. Skalski, N. Tajima, and M.S. Weiss,
proceedings of an international workshop
``Nuclear Structure Models''
held on March 15-25, 1992, in Oak Ridge (Tennessee),
edited by R. Bengtsson, J. Draayer, and W. Nazarewicz,
(1992), World Scientific (Singapore),
pp. 3 - 22.
-
``Is the Signature Inversion of Energy Levels due to the gamma-Degree
of Freedom ?'',
N. Tajima,
proceedings of an international conference
``Nuclear Structure in the Nineties''
held on April 23-27, 1990, in Oak Ridge (Tennessee),
edited by N.R. Johnson, (1990) North-Holland, c317-c324;
Nuclear Physics, Vol. A520, pp. c317-c324 (1990).
-
"The degree of freedom of nuclear triaxial deformation and
K-isomeric decays",
Naoki Tajima,
Doctor Thesis, University of Tokyo, December, 1988.
-
``K-Isomerism and gamma-Softness'',
N. Tajima and N. Onishi,
Nuclear Physics, Vol. A491, pp. 179-204 (January, 1989).
This paper is a summary of the principal results of my doctor thesis.
[Related report]
Naoki Tajima and Naoki Onishi,
"Structure of high-spin isomers in the framework of the particle-rotor model",
REPORT OF THE JOINT SEMINAR ON HEAVY-ION NUCLEAR PHYSICS AND
NUCLEAR CHEMISTRY IN THE ENERGY REGION OF TANDEM ACCELERATORS (III),
JAERI-M 88-100 (1988) pp. 20 - 22
(published by Japan Atomic Energy Research Institute).
-
``An Interpretation of Signature Inversion'',
N. Onishi and N. Tajima,
Progress of Theoretical Physics, Vol. 80, No. 1, pp.130-137 (July, 1988).
-
``The Unusual High-Spin Isomer in 182 Os and the Proton-Neutron
Interaction in High-j Orbitals'',
N. Tajima and N. Onishi,
Physics Letters, Vol. B179, No. 3, pp. 187-191 (October 23, 1986).
This paper is a summary of my master thesis.