Crystallization and vitrification of semiflexible living polymers: A lattice model

摘要: We study the systematics of a d-dimensional lattice model for melts semiflexible living polymers. For d=2 and 3 our model, which includes vacancies, loops, possibilities polymerization polydispersity, exhibits both equilibrium crystallization glass formation in wake quench. these analytically, some limits, via extensive Monte Carlo simulations. A continuous Ising-type transition separates crystalline disordered phases square lattice. If loop is favored d=2, crossover effects lead to power-law decays polymer-length distributions over large length scales, strong fluctuations thermodynamic quantities, slow relaxation. These arise because proximity phase with an infinite correlation one limit model. d=3 simple cubic has first-order transition. Quenches from ordered yield glassy, metastable configurations 3. latter case detail find logarithmically relaxation out configurations, frustration-driven glass-crystal transition, exotic lamellar glass. propose analog scanning calorimetry use it glasses. discuss relevance work experiments on different systems polymers, earlier studies polymeric melts, theories systems.