Typo in Kapusta or Ashok Das ? Formula for thermal propagator

[Sunset]

typo in "Kapusta" or "Ashok Das"? Formula for thermal propagator

Hi! Does somebody of you have Kapusta's book "finite temperature field theory" and Ashok Das book (same title)?
I'm quite sure there is a typo in one of them - compare the formulas for the Fourier transformed thermal propagator:
Kapusta (3.22) and Ashok (1.30)
All the letters are the same but there is a missing minus-sign in front of the omega in Ashok's formula. Does somebody know where it comes from or which formula is the correct one?

Best regards

 

[azntoon]

and thanks in advance!The correct formula for the Fourier transformed thermal propagator is given by Kapusta's book (3.22). The missing minus sign in Ashok Das' formula (1.30) is a typo.

 

[denian]

,Thank you for bringing this to our attention. I do have both books and after comparing the formulas, it seems that there is indeed a typo in Ashok Das' book. The minus sign in front of the omega is necessary for the formula to be consistent with the one in Kapusta's book. I suggest using the formula in Kapusta's book as the correct one.

Thank you for your keen observation and for bringing this to our attention. It is important for us as scientists to double-check and verify our sources to ensure accurate information.

Best regards,