Loading...

Entanglement and optimal strings of qubits for memory channels

Karimipour, V ; Sharif University of Technology | 2006

241 Viewed
  1. Type of Document: Article
  2. DOI: 10.1103/PhysRevA.74.062311
  3. Publisher: 2006
  4. Abstract:
  5. We investigate the problem of enhancement of mutual information by encoding classical data into entangled input states of arbitrary length and show that while there is a threshold memory or correlation parameter beyond which entangled states outperform the separable states, resulting in a higher mutual information, this memory threshold increases toward unity as the length of the string increases. These observations imply that encoding classical data into entangled states may not enhance the classical capacity of quantum channels. © 2006 The American Physical Society
  6. Keywords:
  7. Correlation methods ; Data reduction ; Encoding (symbols) ; Quantum theory ; Threshold elements ; Correlation parameters ; Memory channels ; Threshold memory ; Optical data storage
  8. Source: Physical Review A - Atomic, Molecular, and Optical Physics ; Volume 74, Issue 6 , 2006 ; 10502947 (ISSN)
  9. URL: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.74.062311