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The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
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Following the work of Ernest Rutherford and his colleagues in the early twentieth century, the picture of atoms consisting of tiny dense nuclei surrounded by lighter and even tinier electrons continually moving about the nucleus was well established. This picture was called the planetary model since it pictured the atom as a miniature “solar system” with the electrons orbiting the nucleus like planets orbiting the sun. The simplest atom is hydrogen, consisting of a single proton as...
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In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
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El procesamiento de información cuántica con átomos y fotones.

C Monroe1

  • 1FOCUS Center and Department of Physics, University of Michigan, Ann Arbor 48109-1120, USA. crmonroe@umich.edu

Nature
|March 15, 2002
PubMed
Resumen
Este resumen es generado por máquina.

Los procesadores de información cuántica usan superposición y entrelazamiento para aplicaciones avanzadas. Los avances recientes en átomos y fotones fríos muestran una promesa para construir procesadores cuánticos más grandes desde cero.

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Área de la Ciencia:

  • La computación cuántica es la computación cuántica.
  • Ciencias de la información cuántica Ciencias de la información cuántica.

Sus antecedentes:

  • Los procesadores de información cuántica aprovechan los fenómenos cuánticos como la superposición y el entrelazamiento.
  • Los dispositivos clásicos no pueden alcanzar las capacidades de los procesadores cuánticos.
  • La realización experimental de procesadores cuánticos a gran escala es un desafío debido a la necesidad de comportamiento cuántico puro.

Objetivo del estudio:

  • Explorar el potencial de los átomos fríos y los fotones aislados para avanzar en el procesamiento de información cuántica.
  • Investigar métodos para construir procesadores mesoscópicos de información cuántica.

Principales métodos:

  • Avances teóricos y experimentales en la física cuántica.
  • Utilizando átomos refrigerados por láser y fotones aislados como hardware cuántico.

Principales resultados:

  • Los átomos fríos y los fotones individuales demuestran potencial para el procesamiento de información cuántica.
  • Estos sistemas pueden ser diseñados para exhibir comportamientos cuánticos necesarios para la computación.

Conclusiones:

  • Los átomos y fotones fríos son candidatos prometedores para futuros procesadores de información cuántica.
  • Los enfoques de abajo hacia arriba que utilizan estos sistemas podrían conducir a tecnologías cuánticas escalables.