Effect of Successive Observation on Quantum Cellular Automaton(General)

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概要

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• A quantum cellular automaton, which is extended from a classical cellular automaton with Wolfram's rule 150, is studied. In contrast to the classical cellular automaton, all possible configurations exist in a quantum superposition before measurement. We show that measuring the state of only one qubit significantly aeffects the time evolution in the quantum cellular automaton. In particular, we demonstrate that, occasionally, repeating the measurement enhances the appearance of the configurations found in the classical cellular automaton. The occurrence of this enhancement is primarily determined by the results of the measurement in the early time steps, and it is sustained by a feedback mechanism.

• 社団法人日本物理学会の論文
• 2007-08-15

著者

• Konno Norio

  Department Of Applied Mathematics Faculty Of Engineering Yokohama National University

• NAKAMURA Kazuya

  Graduate School of Engineering, Tohoku University

• IDE Yusuke

  Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University

• INUI Norio

  Graduate School of Engineering, University of Hyogo

• Nakamura Kazuya

  Graduate School Of Engineering University Of Hyogo

• Nakamura Kazuya

  Graduate School Of Engineering Tohoku University

• Ide Yusuke

  Department Of Applied Chemistry Graduate School Of Engineering Hiroshima University

• Inui Norio

  Graduate School Of Engineering Himeji Institute Of Technology

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