About: Pointer state

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In quantum Darwinism and similar theories, pointer states are quantum states, sometimes of a measuring apparatus, if present, that are less perturbed by decoherence than other states, and are the quantum equivalents of the classical states of the system after decoherence has occurred through interaction with the environment. 'Pointer' refers to the reading of a recording or measuring device, which in old analog versions would often have a gauge or pointer display.

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  • In quantum Darwinism and similar theories, pointer states are quantum states, sometimes of a measuring apparatus, if present, that are less perturbed by decoherence than other states, and are the quantum equivalents of the classical states of the system after decoherence has occurred through interaction with the environment. 'Pointer' refers to the reading of a recording or measuring device, which in old analog versions would often have a gauge or pointer display. (en)
  • No darwinismo quântico e teorias semelhantes, os estados de ponteiro são estados quânticos que são menos perturbados pela decoerência do que outros estados, e são os equivalentes quânticos dos estados clássicos do sistema após a decoerência ter ocorrido por meio de interação com o meio ambiente. O nome "ponteiro" refere-se à leitura de um dispositivo de registro ou medição, que nas versões analógicas antigas costumava ter um indicador ou visor de ponteiro. (pt)
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  • In quantum Darwinism and similar theories, pointer states are quantum states, sometimes of a measuring apparatus, if present, that are less perturbed by decoherence than other states, and are the quantum equivalents of the classical states of the system after decoherence has occurred through interaction with the environment. 'Pointer' refers to the reading of a recording or measuring device, which in old analog versions would often have a gauge or pointer display. (en)
  • No darwinismo quântico e teorias semelhantes, os estados de ponteiro são estados quânticos que são menos perturbados pela decoerência do que outros estados, e são os equivalentes quânticos dos estados clássicos do sistema após a decoerência ter ocorrido por meio de interação com o meio ambiente. O nome "ponteiro" refere-se à leitura de um dispositivo de registro ou medição, que nas versões analógicas antigas costumava ter um indicador ou visor de ponteiro. (pt)
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  • Pointer state (en)
  • Estado de ponteiro (pt)
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