Detecting Incapacity of a Quantum Channel

effect of sub-grid scales on large eddy simulation of particle deposition in a turbulent channel flow

چکیده ندارد.

Medical evidence of incapacity.

Quantum cryptography without a quantum channel

Quantum key distribution (QKD) proposals for quantum-mechanically secure communications include mechanisms that allow the detection of eavesdropping, but they require the previous use of a quantum channel to exchange the cryptographic key. We present a cryptographic protocol based on entanglement swapping and quantum dense coding that, making use of previous entanglement between the two parties...

Detecting quantum light

The quantization of light is the basis for quantum optics and has led to the observation of a multitude of genuine quantum effects which cannot be explained by classical physics. Yet, there exist different views when we refer to the distinct quantum character of light as opposed to classical fields. A major impact on how we describe photonic states is caused by the detection method we use for t...

Detecting quantum entanglement

We review the criteria for separability and quantum entanglement, both in a bipartite as well as a multipartite setting. We discuss Bell inequalities, entanglement witnesses, entropic inequalities, bound entanglement and several features of multipartite entanglement. We indicate how these criteria bear on the experimental detection of quantum entanglement.