Abstract
We present a spectral comparison theorem between the second and the fourth order equations of conservative type with non-local terms. Nonlocal effects arise naturally due to the long-range spatial connectivity in polymer problems or to the difference of relaxation times for phase separation problems with stress effect. If such nonlocal effects are built into the usual Cahn-Hilliard dynamics, we have the fourth order equations with nonlocal terms. We introduce the second order conservative equations with the same nonlocal terms as the fourth order ones. The aim is to show that both the second and the fourth order equations have the same set of steady states and their stability properties also coincide with each other. This reduction from the fourth order to the second order is quite useful in applications. In fact a simple and new proof for the instability ofn-layered solution of the Cahn-Hilliard equation is given with the aid of this reduction.
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N.D. Alikakos, P.W. Bates and G. Fusco, Slow motion for the Cahn-Hilliard equation in one space dimension. J. Diff. Eqns.,90 (1991), 81–135.
P.W. Bates and P. Fife, Spectral comparison principles for the Cahn-Hilliard and phase-field equations, and time scales for coarsening. Physica, D43 (1990), 335–348.
P.W. Bates and P.J. Xun, Metastable patterns for the Cahn-Hilliard equations (Parts I and II). Preprint (1992), to appear in J. Diff. Eqns.
J. Carr, M. Gurtin, and M. Slemrod, Structured phase transitions on a finite interval. Arch. Rational Mech. Anal.,86 (1984), 317–351.
R. Courant and D. Hilbert, Methods of Mathematical Physics (Vol.1). Interscience Publishers, New York, 1953.
P. Freitas, A nonlocal Sturm-Liouville eigenvalue problem. Proc. Roy. Soc. Edinb.,124A (1994), 169–188.
T. Kato, Perturbation Theory for Linear Operators (Second edition). Springer-Verlag, 1980.
F.C. Larché and J.W. Cahn, Phase changes in a thin plate with non-local self-stress effects. Acta Metall. Mater.,40 (1992), 947–955.
Y. Nishiura, Coexistence of infinitely many stable solutions to reaction diffusion systems in the singular limit. Dynamics Reported 3 (New Series), Springer-Verlag, 1994, 25–103.
Y. Nishiura, Global structure of bifurcating solutions of some reaction-diffusion systems. SIAM J. Math. Anal.,13 (1982), 555–593.
Y. Nishiura and H. Fujii, Stability of singularly perturbed solutions to systems of reaction-diffusion equations. SIAM J. Math. Anal.,18 (1987), 1726–1770.
Y. Nishiura and I. Ohnishi, Some mathematical aspects of the micro-phase separation in diblock copolymers. Physica, D84 (1995), 31–39.
J. Rubinstein and P. Sternberg, Nonlocal reaction diffusion equations and nucleation. IMA J. Appl. Math.,48 (1992), 249–264.
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Dedicated to Professor Kyūya Masuda on the occasion of his 60th birthday.
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Ohnishi, I., Nishiura, Y. Spectral comparison between the second and the fourth order equations of conservative type with non-local terms. Japan J. Indust. Appl. Math. 15, 253 (1998). https://doi.org/10.1007/BF03167403
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DOI: https://doi.org/10.1007/BF03167403