The currently active and legitimate open-source PlayStation 4 emulator is called .
If you want to follow actual PS4 emulation development: pcsx4 github
Generating a formal paper on PCSX4 would involve documenting its history as a fraudulent software project rather than a technical analysis of an emulator. If you are looking for legitimate, open-source PlayStation 4 emulation projects to research, you should look into the following: Legitimate PS4 Emulation Projects pcsx4 github
: An early low-level virtualization-based emulator designed for technical accuracy. pcsx4 github