Revealing the Emergence of Classicality Using Nitrogen-Vacancy Centers.

ABSTRACT: The origin of classical reality in our quantum world is a long-standing mystery. Here, we examine a nitrogen-vacancy center in diamond evolving in the presence of its magnetic nuclear spin environment which is formed by the natural appearance of carbon ^{13}C atoms in the diamond lattice, to study quantum Darwinism-the proliferation of information about preferred quantum states throughout the world via the environment. This redundantly imprinted information accounts for the perception of objective reality, as it is independently accessible by many without perturbing the system of interest. To observe this process, we implement a novel dynamical decoupling scheme that enables the measurement and control of several nuclear spins (the environment E) interacting with a nitrogen vacancy (the sy

SUBMITTER: Unden TK 

PROVIDER: S-EPMC7003699 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature