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1994 Volume 89 Issue 5 Pages
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Article type: Appendix
1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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1994 Volume 89 Issue 5 Pages
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Yas-Hiro Quano
Article type: Article
1994 Volume 89 Issue 5 Pages
81-99
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In Part I bootstrap scheme for integrable model is presented; i.e., it is shown that correlation functions of vertex models satisfying the Yang-Baxter equation, the unitarity and the crossing symmetry, obey a system of difference equations. This scheme is useful to various models such as the six-vertex model, the eight-vertex model and so on. In Part II the Z_n-Baxter model, the higher rank version of the eight-vertex model, is studied as an example. In particular, the spontaneous polarization (one-point function) in the principal regime of this model is obtained by solving the simplest difference equation.
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Tatsuo Kobayashi
Article type: Article
1994 Volume 89 Issue 5 Pages
100-119
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We study the minimal supersymmetric standard model derived from orbifold models. We use a target-space duality anomaly cancellation and a unification of gauge couplings as constraints. The allowed levels of U(1)γ are calculated for the MSSM derived from the orbifold models. Further we investigate the hidden sectors consistent with the observable MSSM under the anomaly cancellation and estimate the gauge coupling constants of the hidden sectors. The calculation is important from the point of view of the gaugino condensation, which is one of the most promissing mechanism to break the supersymmetry.
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Hitoshi KONNO
Article type: Article
1994 Volume 89 Issue 5 Pages
120-144
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A free field realization of the type II q-vertex operator of quantum affine algebra U_q(<sl>^^^^_2) of arbitrary level is presented. This vertex operator describes creation and annihilation of physical particles in higher spin XXZ model. We also derive an integral formula for the form factor in this model by taking a trace of the type I and II q-vertex operators over the irreducible highest weight representation space of U_q(<sl>^^^^_2). Investigating the structure of poles, we obtain a residue formula for the form factor. This turns out to be a higher spin extension of the lattice analog of Smirnov's formula in the massive integrable quantum field theory. This result as well as the quantum deformation of the Knizhnik-Zamolodchikov equation for form factors shows a deep connection in the mathematical structure of the integrable lattice models and the massive integrable quantum field theory.
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Satoshi NAKAMURA
Article type: Article
1994 Volume 89 Issue 5 Pages
145-171
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The matrix elements of the isospin-symmetry-breaking interactions are calculated in Is0d-shell nuclei. The diagonal matrix elements are obtained to provide the systematics of the data of the mass shifts of isospin multiplets. The calculated off-diagonal matrix elements are consistent with the experiments of isospin-forbidden beta decays available in Is0d-shell, and predictions for other isospin-forbidden beta decays are made. The isospin-symmetry-breaking terms of nuclear force are found to contribute greatly to the off-diagonal matrix elements.
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YOSHIYUKI WATABIKI
Article type: Article
1994 Volume 89 Issue 5 Pages
172-202
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We propose a new method which analyzes the dynamical triangulation from the viewpoint of the non-critical string field theory. By using the transfer matrix formalism, we construct the non-critical string field theory at the discrete level. For pure quantum gravity, we succeed in taking the continuum limit and obtain the c=0 non-critical string field theory at the continuous level.
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[in Japanese]
Article type: Article
1994 Volume 89 Issue 5 Pages
203-205
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Article type: Appendix
1994 Volume 89 Issue 5 Pages
206-
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Article type: Article
1994 Volume 89 Issue 5 Pages
207-209
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Article type: Appendix
1994 Volume 89 Issue 5 Pages
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Article type: Appendix
1994 Volume 89 Issue 5 Pages
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Article type: Cover
1994 Volume 89 Issue 5 Pages
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Article type: Cover
1994 Volume 89 Issue 5 Pages
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