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Research and Development of High-performance Explosives
Published on: February 20, 2016
La percolación explosiva es continua
1Mathematical Institute, University of Oxford, 24-29 St Giles', Oxford OX1 3LB, UK. riordan@maths.ox.ac.uk
Resumen
Anteriormente se pensaba que la percolación explosiva, un fenómeno de rápido crecimiento de la red, ocurría en los procesos de Achlioptas. Sin embargo, este estudio demuestra que estos procesos en realidad exhiben transiciones de fase continuas, no discontinuas.
Área de la Ciencia:
- Ciencia de la red Ciencia de la red Ciencia de la red
- Física Estadística Física de las estadísticas.
- Sistemas complejos de sistemas complejos.
Sus antecedentes:
- La percolación explosiva describe la rápida aparición de componentes macroscópicos en las redes en evolución.
- Los procesos de Achlioptas son modelos clave para el estudio de la dinámica de crecimiento de la red.
- Simulaciones anteriores sugirieron transiciones de fase discontinuas en los procesos de Achlioptas.
Objetivo del estudio:
- Para analizar rigurosamente el comportamiento de transición de fase de los procesos de Achlioptas.
- Para determinar si los procesos de Achlioptas exhiben una verdadera percolación explosiva.
- Aclarar las condiciones bajo las cuales se producen las transiciones de fase discontinuas en los modelos de crecimiento de la red.
Principales métodos:
- Análisis teórico de los procesos de Achlioptas.
- Modelado matemático de la evolución de la red.
- Comparación con modelos de crecimiento de redes relacionados.
Principales resultados:
- Todos los procesos de Achlioptas exhiben continuas transiciones de fase.
- El fenómeno de la percolación explosiva no está presente en los procesos estándar de Achlioptas.
- Los modelos relacionados con el muestreo de nodos dependientes del tamaño pueden mostrar transiciones discontinuas.
Conclusiones:
- Los procesos estándar de Achlioptas no muestran percolación explosiva.
- Las transiciones de fase en estos modelos de red son continuas.
- Las transiciones discontinuas requieren modificaciones más allá de los procesos estándar de Achlioptas, como el crecimiento del tamaño de la muestra.
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