RIKEN Symposium 2006

Methods of many-body systems: mean field theories and beyond

March 20 - 22, 2006

RIKEN, Hirosawa 2-1, Wako city, 351-0198 Saitama, Japan


 

PROGRAM

 

30 min. presentation: 25 min. talk + 5 min. discussion

20 min. presentation: 17 min. talk + 3 min. discussion

 

March 20 (Monday)

9:30 - 9:55

Registration

 

9:55 - 10:00

H. Sagawa

Opening address

 

10:00 - 10:10

T. Motobayashi

Introductory speech

 

Session 1: Correlations beyond mean field 1

Chair person: J.A. Tostevin

 

10:10 - 10:40:

P. Ring

Beyond relativistic mean-field theory: Projection and configuration mixing in exotic nuclei

 

10:40 - 11:00:

W.H. Long

Pseudo-spin symmetry in density-dependent relativistic Hartree-Fock theory

 

11:00 - 11:20 : Coffee Break

 

Session 2: Correlations beyond mean field 2

Chair person: J.A. Tostevin

 

11:20 - 11:40:

M. Tohyama

Damping of giant resonances in extended RPA with ground-state correlations

 

11:40 - 12:00:

S. Shinohara

Stochastic approach to nuclear excitations beyond the mean field

 

12:00 - 12:20

A. Haga

Role of vaccum in relativistic nuclear model

 

12:20 - 14:00: Lunch

 

Session 3: Pairing in weakly-bound systems 1 &

Pairing theory: Finite and infinite systems 1

Chair person: I. Hamamoto

 

14:00 - 14:30:

M. Sambataro

Pairing correlations in finite Fermi systems

 

14:30 - 15:00:

J.A. Tostevin

Probing correlations by use of two-nucleon removal

 

15:00 - 15:20: Coffee Break

 

Session 4: Pairing theory: Finite and infinite systems 2

Chair person: P. Ring

 

15:20 - 15:40 :

 N.D. Dang

Thermal pairing in Richardson model

 

15:40 - 16:00

H. Nakada

BCS-type theory in canonical ensemble

 

16:00 - 16:20

H.J. Schulze

Aspects of paring in nuclear matter

 

16:20 – 16:40

Y.M. Zhao

Many-body systems in the presence of random interactions

 

 

18:00 - 20:00 : banquet at Hirosawa club


 



March 21 (Tuesday)

Session 5: Pairing in weakly-bound systems 2

Chair person: S. Shlomo

 

10:00 - 10:30 :

I. Hamamoto

            Positive-energy one-particle levels in quadrupole-deformed potentials

 

10:30 - 10:50:

Y. Serizawa

Di-neutron correlation in soft octupole excitations of medium-mass nuclei near drip-line

 

10:50 - 11:10:

K. Mizuyama

Continuum QRPA calculation with the Skyrme effective force

 

11:10 - 11:30 : Coffee Break

 

Session 6: Pairing theory: finite and infinite systems 3

Chair person: H. Nakada

 

11:30 - 12:00:

A. Volya

Nuclear pairing: New methods, new perspectives and new questions

 

12:00 - 12:20:

M. Matsuzaki

Relativistic study of medium polarization effects on superfluidity in neutron matter

 

12:20 - 14:00: Lunch

 

Session 7: Nuclear deformation & High-spin physics

Chair person: K. Matsuyanagi

 

14:00 - 14:20:

Y. Hashimoto

Stability of g- and s-bands in 182Os in three-dimensional cranked HFB

 

14:20 - 14:40:

T. Shoji

Cranked-RPA description of wobbling motions in triaxially deformed nuclei

 

14:40 - 15:00

Y. R. Shimizu

Comment on parameterization of nuclear mean-field for triaxially deformation

 

15:00 - 15:20

N. Hinohara

Effects of time-odd components in mean field on large-amplitude collective dynamics

 

15:20 - 15:40: Coffee break

 

Session 8: Deformation in weakly-bound nuclei 1

Chair person: K. Yabana

 

15:40 - 16:00:

S. Takahara

Origin of prolate dominance of nuclei deformation: An analysis with Woods-Saxon potential

 

16:00 - 16:20:

H. Ohnishi

Resonating mean-field theoretical approach to shape coexistence in nuclei

 

16:20 - 16:40:

K. Yoshida

Low-lying positive- and negative-parity vibrational modes in 34Mg region

 

16:40 - 17:00:

S. Tamenaga

One-loop corrections as the origin of spontaneous chiral symmetry breaking in the massless chiral sigma model

 



March 22 (Wednesday)

Session 9: Nuclear responses

Chair person: M. Sambataro

 

10:00 - 10:30:

S. Shlomo

Effect of self-consistency violations in Hartree-Fock based RPA calculations for nuclear giant resonances

 

10:30 - 11:00:

K. Yabana

Real-time calculations for dipole response in neutron-rich unstable nuclei

 

11:00 - 11:20: Coffee break

 

Session 10: Deformation in weakly-bound nuclei 2

Chair person: Y.R. Shimizu

 

11:20 - 11:40:

T. Inakura

Collectivity of pygmy resonance in spherical and deformed Ni and Fe isotopes : A fully self-consistent Skyrme RPA approach

 

11:40 - 12:00:

Y. Taniguchi

Coexistence of cluster structure and mean-field-type structure in medium-weight nuclei

 

12:00 - 12:20:

H. Ooba

Axially symmetric Skyrme-Hartree-Fock-Bololiubov calculation for neutron rich nuclei

 

12:20 - 14:00: Lunch

 

Session 11: Deformations in weakly-bound nuclei 3

Chair person: M. Matsuo

 

14:00 - 14:20:

S. Sugimoto

Study of the tensor correlation using a mean-field-type model

 

14:20 - 14:40:

H. Sakurai

On the perspective of researches at RIBF

 

14:40 – 15:10:

K. Matsuyanagi

Closing remark

 

15:30 - 16:30: Excursion to the RIBF