Quantum Information Transfer over a Long Distance and Attempts for Quantum Electron Optics

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Other Title
  • 固体量子情報の長距離移送と量子電子光学実験への挑戦 （解説）
  • 固体量子情報の長距離移送と量子電子光学実験への挑戦
  • コタイ リョウシ ジョウホウ ノ チョウキョリ イソウ ト リョウシ デンシ コウガク ジッケン エ ノ チョウセン

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Abstract

Since quantum interferences such as Aharonov-Bohm effect are observed in solid systems, development of quantum devices utilizing wave nature of flying electrons has been one of the most intriguing and longstanding issues of solid state physics. However, quantum interferences in solid systems suffer from complicated multi-path scattering and many body interactions. Researchers therefore found it difficult to transfer or control quantum states of individual propagating electrons. In this article, we present new technologies to overcome such difficulties and to transfer and control quantum information possessed by each flying electron. These open avenues towards quantum electron optics, in which quantum optics like experiments are performed with flying electrons in a single electron unit.

Journal

  • Butsuri

    Butsuri 68 (5), 288-295, 2013-05-05

    The Physical Society of Japan

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