abstract

• We studied glass transition in a nonvibrating granular system composed of magnetic steel beads under an unsteady magnetic field. In this model system, particle concentration and effective temperature can be changed independently. We analyzed several particle concentration cases. As concentration increases, the system goes from a fragile to a strong glass-forming liquid behavior and the regularity factor increases showing that the system becomes more regular. As the effective potential shows deeper wells, the fragility index decreases, and the regularity factor increases. © 2018 American Physical Society.

authors

• Donado F.
• Moctezuma Martiñón Rosario Esperanza
• Tapia-Ignacio C.

publication date

• 2018-01-01

funding provided via

• 440  Grant
• Consejo Nacional de Ciencia y Tecnología, CONACYT: 256176  Grant

published in

• Physical Review E  Journal

keywords

• Glass; Glass forming machines; Granular materials; Liquids; Effective potentials; Effective temperature; Fragility index; Glass-forming liquid; Granular system; Macroscopic model; Magnetic steel; Particle concentrations; Glass transition

Digital Object Identifier (DOI)

• 10.1103/PhysRevE.98.032901

start page

end page

volume

• 98

issue

• 3