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Article type: Cover
1992 Volume 84 Issue 4 Pages
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Published: January 20, 1992
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Article type: Appendix
1992 Volume 84 Issue 4 Pages
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Article type: Appendix
1992 Volume 84 Issue 4 Pages
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Article type: Appendix
1992 Volume 84 Issue 4 Pages
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Article type: Article
1992 Volume 84 Issue 4 Pages
D3-D5
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[in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
D6-D8
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
D9-D11
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[in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
D12-D15
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[in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
D16-D17
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TETSUYA ONOGI, YOSHIAKI YASUI
Article type: Article
1992 Volume 84 Issue 4 Pages
D18-D19
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[in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
D20-D23
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Norihito Toyota
Article type: Article
1992 Volume 84 Issue 4 Pages
D24-D28
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A. FUJITSU, A. TEZUKA
Article type: Article
1992 Volume 84 Issue 4 Pages
D29-D41
Published: January 20, 1992
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We have formulated the topological supergravity that may correspond to some kinds of supersymmetric versions of matrix models which we do not yet know. Physical observables and correlation functions are given and discussed.
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
D42-D45
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Article type: Article
1992 Volume 84 Issue 4 Pages
D46-D48
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J. K.
Article type: Article
1992 Volume 84 Issue 4 Pages
D49-D52
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[in Japanese], [in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
153-175
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KEN-JI HAMADA, K. Fukazawa, H. Sato
Article type: Article
1992 Volume 84 Issue 4 Pages
176-189
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We investigate the phase structure of the Blume-Emery-Griffiths (B-E-G) model on a random surface which is equivalent to the general type of the 3-matrix model. The B-E-G model has the parameters J, K and μ which are the spin and the lattice-gas coupling and the chemical potential respectively. If K = 0, it is the usual tricritical Ising model. If K/J = 3 and J = μ/8, this model becomes the 3-state Potts model. The intermediate region K/J = 1 is equivalent to the 3-matrix chain model and we can solve it exactly using the orthogonal polynomial method. We find the 3-rd order critical line in the physical region Δ > 0, where Δ ∝ e^μ, which belongs to the universarity class of the Ising model on a random surface. This line ends at the 4-th order critical point which corresponds to the tricritical point of the B-E-G model. We also inform the phase structure in a external magnetic field. The phase diagram is quite similar to the B-E-G model on a regular lattice.
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[in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
190-204
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Tsukasa Tada
Article type: Article
1992 Volume 84 Issue 4 Pages
205-223
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The two matrix model with the various type of potential is investigated. Our method is to construct Douglas' Q and P operators from the matrix model by directly taking the continuum limit of the corresponding matrix operators. We show that the (4,5),(3,8),(5,6) and (3,5) minimal models are realized at the critical points.
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[in Japanese]
Article type: Article
1992 Volume 84 Issue 4 Pages
224-230
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Article type: Appendix
1992 Volume 84 Issue 4 Pages
App2-
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Article type: Appendix
1992 Volume 84 Issue 4 Pages
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Article type: Cover
1992 Volume 84 Issue 4 Pages
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Published: January 20, 1992
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Article type: Cover
1992 Volume 84 Issue 4 Pages
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