Work

Maximizing Information on the Environment by Dynamically Controlled Qubit Probes

Year: 2016

Type: article

Abstract: From computers to medicine, miniaturization approaches the atomic scale, where device operation can be dominated by quantum effects that are strongly coupled to the local environment. These influences may be seen not as a nuisance, but rather a nearly untapped source of information about physical or biochemical processes playing out nearby. How can one extract maximum information from such fluctuations with an atomic probe, under typical experimental constraints? The authors use quantum estimation theory to outline a general strategy for dynamical measurement of a broad class of environmental processes.

Source: Physical Review Applied

DOI: 10.1103/physrevapplied.5.014007

Authors: Analia Zwick, Gonzalo A. Álvarez, Gershon Kurizki

Institution: Weizmann Institute of Science

Language: English

Topic: Quantum Information and Cryptography

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: bronze

Funders: European Commission, Israel Science Foundation

Award: Tailoring decoherence for controlling spin systems: Deepening foundations; expanding applications