No, Gravity hasn�t killed Schr�dinger�s cat

There is a paper making the rounds which was just published in Nature Physics, but has been on the arXiv since two years:


Universal decoherence due to gravitational time dilation
Igor Pikovski, Magdalena Zych, Fabio Costa, Caslav Brukner
arXiv:1311.1095 [quant-ph]
According to an article in New Scientist the authors have shown that gravitationally induced decoherence solves the Schr�dinger�s