Quantum computation is the unique reversible circuit model for which bits are balls

Funding

We thank Caslav Brukner, Borivoje Dakic, Philip Goyal, Lluis Masanes, and Jochen Rau for discussions. M.K. acknowledges support from the Austrian Science Fund (FWF) through the Doctoral Programme CoQuS (W1210). This publication was made possible through the support of a grant from the John Templeton Foundation. The opinions expressed in this publication are those of the authors and do not necessarily reflect the views of the John Templeton Foundation. This research was supported in part by Perimeter Institute for Theoretical Physics. Research at Perimeter Institute is supported by the Government of Canada through the Department of Innovation, Science and Economic Development Canada and by the Province of Ontario through the Ministry of Research, Innovation and Science.