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چکیده
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Based on the energy conservation law, a new formula for the photon momentum was proposed in [1]. In this work, some defects of this new proposal are discussed. It is shown that this new proposal can lead to negative energy of photons. In addition, the group velocity of massive particles exceeds the light velocity which violates the causality principle. Finally, we show that the momentum conservation law combined with the conventional formula for the photon momentum can predict a rational velocity for the velocity of the relativistic scattered particles which revalidate the conventional formula for the photon momentum.
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