Investigating the `Past of a Particle' without disturbing it

Faheel Hashmi, Fu Li, Shiyao Zhu

In a recent article [Chin. Phys. Lett. 34, 020301 (2017)], Ben-Israel et al. have claimed that the experiment proposed in [Chin. Phys. Lett. 32, 050303 (2015)] to determine the pas…