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Criticidad clásica a través del recocido cuántico

Pratik Sathe1,2,3, Andrew D King4, Susan M Mniszewski5

  • 1Theoretical Division, Quantum & Condensed Matter Physics, Los Alamos National Laboratory, Los Alamos, NM, USA. psathe@dwavesys.com.

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Resumen
Este resumen es generado por máquina.

Los recocedores cuánticos pueden simular materiales magnéticos complejos y modelos de física estadística, superando las limitaciones de los métodos clásicos. Esta investigación muestra su potencial para estudiar transiciones de fase y fenómenos críticos con precisión.

Palabras clave:
recocido cuánticofísica estadísticatransiciones de fasefenómenos críticoscomputación cuánticamateriales magnéticos

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Área de la Ciencia:

  • Computación Cuántica
  • Física Estadística
  • Física de la Materia Condensada

Sus antecedentes:

  • El recocido cuántico ofrece una alternativa a los métodos clásicos de Monte Carlo para simular sistemas físicos.
  • Los algoritmos clásicos a menudo enfrentan limitaciones como la ralentización crítica al estudiar transiciones de fase.

Objetivo del estudio:

  • Demostrar la capacidad de los recocedores cuánticos para simular modelos de física estadística y materiales magnéticos.
  • Investigar el modelo de dominós apilados y su diagrama de fase utilizando recocido cuántico.
  • Explorar la aplicación de técnicas de escalado de tamaño finito en hardware cuántico.

Principales métodos:

  • Utilización de un recocedor cuántico para simular el modelo de dominós apilados.
  • Empleo de escalado de tamaño finito y acumuladores de Binder para analizar exponentes críticos.
  • Control de la temperatura ajustando la escala de energía del Hamiltoniano en el recocedor cuántico.

Principales resultados:

  • Reproducción precisa de diagramas de fase y simulación de fenómenos críticos.
  • Superación del problema de la ralentización crítica inherente a los algoritmos clásicos.
  • Aplicación exitosa de técnicas sofisticadas de escalado de tamaño finito a través de hardware cuántico.

Conclusiones:

  • Los recocedores cuánticos son simuladores robustos para la física estadística, ofreciendo un nuevo enfoque para estudiar transiciones de fase.
  • Este método proporciona un control sistemático de la temperatura ajustando los parámetros del Hamiltoniano, no la temperatura física del hardware.
  • El estudio valida los recocedores cuánticos para simulaciones avanzadas de mecánica estadística e investigación de fenómenos críticos.