Alternate Terminology
The phrase "mirror matter" was also introduced by physicist and author Dr. Robert L. Forward as an alternative term for what is commonly called antimatter, in an attempt to emphasize that antimatter is identical to ordinary matter, except reversed in all possible ways (i.e., CPT). (Forward was apparently not aware of the use of the word "mirror particles" by Russian physicists to mean parity reversed matter that does not interact strongly with "ordinary" matter). This is elucidated in his book Mirror Matter: Pioneering Antimatter Physics (1988), and his editing the small review journal Mirror Matter Newsletter (1986–1990). However, this use of the term "mirror matter" for antimatter was never widely picked up by others and is not currently in common use.
Read more about this topic: Mirror Matter
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