[1] Shifman M A, Vainshtein A I and Zakharov 1979 Nucl.
Phys. B 147 385

Shifman M A, Vainshtein A I and Zakharov 1979 Nucl.
Phys. B 147 448

Novikov V A, Shifman M A Vainshtein A I and Zakharov 1981
Nucl. Phys. B 191 301

[2] Roberts C D and Williams A G 1994 Prog. Part. Nucl.
Phys. 33 477

[3] Skyrme T 1961 Proc. R. Soc. A 260

Adkins G S, Nappi C R and Witten E 1983 Nucl. Phys. B
228 552

Battye R and Sutcliffe P 2001 Phys. Rev. Lett. 86
3989 and references therein

Nambu Y and Jona-Lasinio G 1961 Phys. Rev. 122
345

Hatsuda T and Kunihiro 1994 Phys. Rep. 247 241

Wang B, Song H C, Chang L, Chen H and Liu Y X 2006 Phys.
Rev. C 73 015206

[4] Chodos A, Jaffe R L, Johnson K, Thorn C B and Weisskopf V
F 1974 Phys. Rev. D 9 3471

[5] Shen P N, Zhang Z Y, Yu Y W, Yuan X Q and Yang S 1999
J. Phys. G 25 1807

[6] Fujiwara Y, Nakamoto C and Suzuki Y 1996 Phys. Rev.
Lett. 76 2242

[7] Valcarce A, Buchmann A, Fernandez F and Faessler A 1994
Phys. Rev. C 50 2246

[8] Valcarce A, Garcilazo H, Fernandez F and Gonzalez P 2005
Rept. Prog. Phys. 68 965

[9] Wang F, Wu G H, Teng L J and Goldman T 1992 Phys.
Rev. Lett. 69 2901

Pang H R, Ping J L, Wang F and Goldman T 2001 Phys.
Rev. C 65 014003

Pang H R, Ping J L, Wang F and Goldman T 2004 Phys.
Rev. C 69 065207

[10] Glozman L Ya, 2000 Nucl. Phys. A 663 103c

[11] Jaffe R L 1977 Phys. Rev. Lett. 38 195

[12] Wang F, Ping J L, Pang H R and Goldman T 2003 Mod.
Phys. Lett. A 18 356

[13] Faessler A, Fernandez F, Lubeck G and Shimizu K 1983
Nucl. Phys. A 402 555

[14] Faessler A, Fernandez F and Lubeck G 1982 Phys.
Lett. B 112 201

[15] Harvey M 1981 Nucl. Phys. A 352 326

[16] Bao C G and Liu Y X 1999 Phys. Rev. Lett. {bf 82
61

Liu Y X, Li J S and Bao C G 2003 Phys. Rev. C 67
055207

[17] Li Q B, Shen P N, Zhang Z Y and Yu Y W 2001 Nucl.
Phys. A 683 487

[18] Harvey M 1981 Nucl. Phys. A 352 301

Harvey M 1998 Nucl. Phys. A 481 834

Chen J Q, Shi Y J, Feng D H and Vallieres M 1983 Nucl.
Phys. A 393 122

[19] Wang F, Ping J L and Goldman T 1995 Phys. Rev. C
51 1648

Ping J L, Wang F and Goldman T 1997 Phys. Rev. C
55 2726

[20] Oka M and Yazaki K 1981 Prog. Theor. Phys. 66
556

[21] Glozman L Ya, Papp Z, Plessas W, Varga K and Wagenbrun R
F 1998 Phys. Rev. C 57 3406

Wolfe C E and Maltman K 1997 Phys. Lett. B 393
274

Kodama N, Oka M and Hatsuda T 1994 Nucl. Phys. A
580 445

Straub U, Zhang Z Y, Baruer K B et al 1988 Phys. Lett. B
200 241

Balachandran A P, Barducci, Lizzi F, Rodgers V G J and Stern A
1984 Phys. Rev. Lett. 52 887