Published March 16, 2012 | Version v1
Journal article

Quantumness and entanglement witnesses

  • 1. Dipartimento di Matematica and MECENAS, Università di Bari, I-70125 Bari (Italy)
  • 2. INFN, Sezione di Bari, I-70126 Bari (Italy)
  • 3. Department of Atomic and Laser Physics, Clarendon Laboratory, University of Oxford, Oxford OX1 3PU (United Kingdom)
  • 4. Waseda Institute for Advanced Study, Waseda University, Tokyo 169-8050 (Japan)

Description

We analyze the recently introduced notion of quantumness witnesses and compare it to that of entanglement witnesses. We show that any entanglement witness is also a quantumness witness. We then consider some physically relevant examples and explicitly construct some witnesses. (paper)

Availability note (English)

Available from http://dx.doi.org/10.1088/1751-8113/45/10/105302

Additional details

Publishing Information

Journal Title
Journal of Physics. A, Mathematical and Theoretical (Online)
Journal Volume
45
Journal Issue
10
Journal Page Range
[13 p.]
ISSN
1751-8121

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
43093016
Subject category
S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
COMPARATIVE EVALUATIONS; QUANTUM ENTANGLEMENT; QUANTUM MECHANICS
Descriptors DEC
EVALUATION; MECHANICS