Who Has Seen a Free Photon?

DOI DOI Web Site 被引用文献3件 参考文献10件 オープンアクセス
  • Izumi Ojima
    Research Institute for Mathematical Sciences, Kyoto University, Kyoto 606–8502, Japan
  • Hayato Saigo
    Nagahama Institute of Bio-Science and Technology, Nagahama 526–0829, Japan

書誌事項

公開日
2012-03
資源種別
journal article
DOI
  • 10.1142/s1230161212500084
  • 10.48550/arxiv.1101.5782
公開者
World Scientific Pub Co Pte Lt

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説明

<jats:p> While the notion of the position of photons is indispensable in quantum optical situations, it has been known in mathematical physics that any position operator cannot be defined for a massless free particle with a non-zero finite spin. This dilemma is resolved by introducing the "effective mass" of a photon due to the interaction with matter. The validity of this interpretation is confirmed in reference to the picture of "polariton", a basic notion in optical and solid physics. In this connection, we discuss the long-standing controversy between Minkowski's and Abraham's definitions of the momenta of a photon in media from the general viewpoint adopted in the Appendix. </jats:p>

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