Incompatible equations of motion in non-Hermitian (PT-symmetric) model

Asked Aug 16 '19 at 17:59

Active Aug 16 '19 at 17:59

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There is an interesting paper on Goldstone theorem of non-Hermitian QFT. arXiv:1808.00437.

On page page 8-9 equation (36)-(38), author says that having equations of motion that are NOT complex conjugate to each other is a potential problem.

What are the "potential problems?". Why are we not allowed to have equations of motions that are not complex conjugate to each other?

Thank you

asked Aug 16 '19 at 17:59

user239970

1

presumably useful: https://physics.stackexchange.com/a/311870/84967 – AccidentalFourierTransform Aug 16 '19 at 19:26
@AccidentalFourierTransform Once again, thank you for the helpful input. – user239970 Aug 16 '19 at 19:38

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