Phase diagram of 4D SU(3) Yang-Mills theory at $\theta =\pi$ via imaginary theta simulations

Akira Matsumoto, Mitsuaki Hirasawa, Jun Nishimura +1

It has been speculated that the CP symmetry of 4D SU(3) Yang-Mills theory at $\theta =\pi$ is spontaneously broken in the confined phase, and it is recovered precisely at the deconfining t…