The Skyrmion strikes back: baryons and a new large $N_c$ limit TeX Export

@misc{citeulike:745796, abstract = {In the large \$N\_c\$ limit of QCD, baryons can be modeled as solitons, for instance, as Skyrmions. This modeling has been justified by Witten's demonstration that all properties of baryons and mesons scale with \$N\_c^{-1/2}\$ in the same way as the analogous meson-based soliton model scales with a generic meson-meson coupling constant \$g\$. An alternative large \$N\_c\$ limit (the orientifold large \$N\_c\$ limit) has recently been proposed in which quarks transform in the two-index antisymmetric representation of \$SU(N\_c)\$. By carrying out the analog of Witten's analysis for the new orientifold large \$N\_c\$ limit, we show that baryons and solitons can also be identified in the orientifold large \$N\_c\$ limit. However, in the orientifold large \$N\_c\$ limit, the interaction amplitudes and matrix elements scale with \$N\_c^{-1}\$ in the same way as soliton models scale with the generic meson coupling constant \$g\$ rather than as \$N\_c^{-1/2}\$ as in the traditional large \$N\_c\$ limit.}, archivePrefix = {arXiv}, author = {Cherman, Aleksey and Cohen, Thomas D.}, citeulike-article-id = {745796}, citeulike-linkout-0 = {http://arxiv.org/abs/hep-th/0607028}, citeulike-linkout-1 = {http://arxiv.org/pdf/hep-th/0607028}, day = {5}, eprint = {hep-th/0607028}, keywords = {baryon, largen, orientifold, skymion}, month = {Jul}, posted-at = {2006-07-07 13:44:51}, priority = {4}, title = {The Skyrmion strikes back: baryons and a new large \$N\_c\$ limit}, url = {http://arxiv.org/abs/hep-th/0607028}, year = {2006} }

TY - ELEC ID - citeulike:745796 L3 - citeulike-article-id:745796 N2 - In the large $N_c$ limit of QCD, baryons can be modeled as solitons, for instance, as Skyrmions. This modeling has been justified by Witten's demonstration that all properties of baryons and mesons scale with $N_c^{-1/2}$ in the same way as the analogous meson-based soliton model scales with a generic meson-meson coupling constant $g$. An alternative large $N_c$ limit (the orientifold large $N_c$ limit) has recently been proposed in which quarks transform in the two-index antisymmetric representation of $SU(N_c)$. By carrying out the analog of Witten's analysis for the new orientifold large $N_c$ limit, we show that baryons and solitons can also be identified in the orientifold large $N_c$ limit. However, in the orientifold large $N_c$ limit, the interaction amplitudes and matrix elements scale with $N_c^{-1}$ in the same way as soliton models scale with the generic meson coupling constant $g$ rather than as $N_c^{-1/2}$ as in the traditional large $N_c$ limit. TI - The Skyrmion strikes back: baryons and a new large $N_c$ limit KW - baryon KW - largen KW - orientifold KW - skymion AU - Cherman, Aleksey AU - Cohen, Thomas PY - 2006/Jul/05/ UR - http://arxiv.org/abs/hep-th/0607028 ER -