Photon position operator with commuting components

Photon position operator with commuting components
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具有交换组件的光子位置算子

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发表时间:
1999
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通讯作者:
M. Hawton
M. Hawton
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文献类型:
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作者:
M. Hawton

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加拿大安大略雷湾雷霆湾湖首大学物理系P7 B 5E 1 ~ 1998年8月13日接收!构造了一个具有交换分量的光子位置算符,证明了它等于Pryce算符加上一个补偿绝热相位的项。它的本征基是横向和纵向矢量,因此可以选择具有确定偏振或螺旋度的状态。对于以通常方式定义的角动量和助推算子,庞加莱群的所有对易关系都是确定的,艾德。这个新的位置算符是么正等价于大质量粒子的Newton-Wigner-Pryce位置算符。@S1050-2947~99!02902-9#PACS编号~s!:03.65.Ca,03.65.Bz,14.70.BhI。介绍
Department of Physics, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1~Received 13 August 1998!A photon position operator with commuting components is constructed, and it is proved that it equals thePryce operator plus a term that compensates for the adiabatic phase. Its eigenkets are transverse and longitu-dinal vectors, and thus states can be selected that have definite polarization or helicity. For angular momentumand boost operators defined in the usual way, all of the commutation relations of the Poincare´group aresatisfied. This new position operator is unitarily equivalent to the Newton-Wigner-Pryce position operator formassive particles. @S1050-2947~99!02902-9#PACS number~s!: 03.65.Ca, 03.65.Bz, 14.70.BhI. INTRODUCTION