In book "The Universe is a Unified Object", author Ngo Quang Ha demonstrated that Hawking radiation cannot occur
Hawking radiation from black holes is based on Unruh radiation and general relativity.
However, Hawking misunderstood the direction of gravitational acceleration, leading him to believe that temperatures near black holes are higher than temperatures far from them..
The book (in English) is available on Amazon: https://www.amazon.com/dp/B0HCGYPFK1