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Probando el orden topológico de no equilibrio en un procesador cuántico

M Will1,2, T A Cochran3, E Rosenberg4

  • 1TUM School of Natural Sciences, Physics Department, Technical University of Munich, Garching, Germany.

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Este resumen es generado por máquina.

Los investigadores crearon una nueva fase cuántica fuera de equilibrio utilizando qubits superconductores. Este estado topológico de Floquet les permitió observar excitaciones aniónicas exóticas y su dinámica, ofreciendo nuevos conocimientos sobre la materia cuántica.

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Área de la Ciencia:

  • La física cuántica
  • Física de la materia condensada
  • Ciencias de la información cuántica

Sus antecedentes:

  • Los sistemas cuánticos fuera de equilibrio exhiben propiedades únicas más allá de la termodinámica clásica.
  • Los sistemas de accionamiento periódico (Floquet) son un desafío para la simulación clásica debido a su alto entrelazamiento.
  • El orden topológico en la materia cuántica ofrece propiedades robustas resistentes a las perturbaciones locales.

Objetivo del estudio:

  • Realizar experimentalmente un estado topológicamente ordenado de Floquet propuesto teóricamente.
  • Para caracterizar las excitaciones aniónicas emergentes y su dinámica dentro de este estado.
  • Para sondear el comportamiento de estas fases de no equilibrio usando procesadores cuánticos.

Principales métodos:

  • Implementación del estado topológico de Floquet en una matriz de qubits superconductores.
  • Imágenes de la dinámica del modo de borde quiral.
  • Caracterización de las excitaciones aniónicas emergentes.
  • Desarrollo de un algoritmo interferométrico para medir las invariantes topológicas en masa.

Principales resultados:

  • Realización exitosa del estado ordenado topológicamente de Floquet.
  • Observación y caracterización de la dinámica del modo de borde quiral.
  • Demostración de la transmutación dinámica de los aniones.
  • Medición de invariantes topológicos masivos para tamaños de sistema de hasta 58 qubits.

Conclusiones:

  • Los procesadores cuánticos pueden realizar y sondear fases cuánticas complejas sin equilibrio.
  • El estudio proporciona información experimental sobre la dinámica de los aniones en los estados topológicos de Floquet.
  • Este trabajo abre caminos para explorar el paisaje de la materia altamente enredada y no equilibrada.