Quantum computation based on particle statistics

Abstract

In spite of their evident logical character, particle statistics symmetries are not among the inherently quantum features exploited in quantum computation. A difficulty may be that, being a constant of motion of a unitary evolution, a particle statistics symmetry cannot affect the course of such an evolution. We try to avoid this possible deadlock by introducing a generalized (counterfactual, blunt) formulation where this type of symmetry becomes a watchdog effect shaping the evolution of a unitary computation process. The work is an exploration.