Working relationship with master thesis professor
There are three ways to get your work reviewed by people other than your supervisor:


You've probably already done a related work survey. Look for other professors and PhD scholars who are doing or have done work that is very similar to yours. Contact these people by sending them emails and ask them to review your work. Don't send them a 40-page document. No body is going to review that. Send them a summary of your work with emphasis on the main idea. Then if they are interested, provide them with more details. If have done a really good work, someone might offer you a PhD opportunity.
Try to get your work published in some reputable journal, conference, or magazine. During the process of publication, your work will be reviewed. Of course, you need to do that before the deadline of your thesis submission. I do not study physics and so I cannot recommend any publication venue.
Ask your colleagues who are working in the same or similar field to review your work. You said there is one PhD student who reviewed your work. Remember to accept any constructive criticism and use it to your advantage. Try to find other people.


If some people expressed interest in your work, tell your supervisor and try to get him/her engaged in your project. Hopefully you'll get a recommendation letter from him/her at the end.