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2000 (1)
1996 (1)
1Author    Takashi TsuchiyaRequires cookie*
 Title    The Critical Amplitude for Bifurcation Points of the Logistic Map  
 Abstract    The phenomenon called critical slowing down is studied for some analytically tractable bifurca-tion points of the logistic map. The critical amplitude and the critical amplitude ratio are introduced to describe the critical behaviors more precisely when the critical exponents are identically unity for two critical behaviors which are to be compared. Since Hao predicted unity of the critical exponent for 1-d maps assuming exponential damping of the distance from the attractor, the assumption is checked. The result is that the shrinkage of the valid region of the assumption occurs as the adjustable parameter approaches one of the bifurcation points. 
  Reference    Z. Naturforsch. 51a, 1170—1174 (1996); received September 25 1996 
  Published    1996 
  Keywords    Bifurcation, Logistic map, Critical slowing down, Critical exponent, Critical amplitude 
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 TEI-XML for    default:Reihe_A/51/ZNA-1996-51a-1170.pdf 
 Identifier    ZNA-1996-51a-1170 
 Volume    51 
2Author    Ichi Suzuki, Shin'. Ichi, Ishimaru, Ryuichi IkedaRequires cookie*
 Title    Koh  
 Abstract    133 Cs NMR spin-lattice relaxation times(Ti) in crystalline Cs 2 CdI 4 were measured at 225 -373 K. The critical exponent (of T\ observed near the normal-incommensurate transition in the normal phase was determined to be 0.62 ± 0.03, in good agreement with the predicted value for three-dimensional XK-model. The frequency dependent T\ in the incommensurate phase could be explained by the fluctuation of amplitudon and small gap phason. 
  Reference    Z. Naturforsch. 55a, 339—342 (2000); received August 27 1999 
  Published    2000 
  Keywords    l33 Cs NMR, T\ \ Incommensurate, Phase Transition, Critical Exponent 
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 TEI-XML for    default:Reihe_A/55/ZNA-2000-55a-0339.pdf 
 Identifier    ZNA-2000-55a-0339 
 Volume    55