Quantum trajectories for a system interacting with environment in a single-photon state: Counting and diffusive processes

Anita Dąbrowska, Gniewomir Sarbicki, and Dariusz Chruściński
Phys. Rev. A 96, 053819 – Published 8 November 2017

Abstract

We derived quantum trajectories for a system interacting with the environment prepared in a continuous mode single-photon state as the limit of a discrete filtering model with an environment defined as a series of independent qubits prepared initially in the entangled state being an analog of a continuous mode state. The environment qubits interact with the quantum system and they are subsequently measured. The initial correlation between the bath qubits is the source of the non-Markovianity. The conditional evolutions of the quantum system for the limit of the continuous in time observations together with the formulas for the photon counting probabilities are given.

  • Received 24 June 2017

DOI:https://doi.org/10.1103/PhysRevA.96.053819

©2017 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & TechnologyAtomic, Molecular & Optical

Authors & Affiliations

Anita Dąbrowska1, Gniewomir Sarbicki2, and Dariusz Chruściński2

  • 1Nicolaus Copernicus University, Toruń, Collegium Medicum Bydgoszcz, ul. Jagiellońska 15, 85-067 Bydgoszcz, Poland
  • 2Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziądzka 5/7, 87-100 Toruń, Poland

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 96, Iss. 5 — November 2017

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review A

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×