Results 31 to 40 of about 3,792,494 (377)
Increasing the Protocol Gain of Quantum Cryptography [PDF]
Quantum cryptography is a technique to distribute a sequence of truly random and unconditionally secure bits over a secure communication by applying the phenomena of quantum physics.
Firas Ali Sabir Al-Juboori+2 more
doaj +1 more source
Chaos in quantum channels [PDF]
44+17 pages, many figures. v2: typos fixed, references added, statements clarified.
Xiao-Liang Qi+4 more
openaire +6 more sources
Selfcomplementary Quantum Channels [PDF]
Selfcomplementary quantum channels are characterized by such an interaction between the principal quantum system and the environment that leads to the same output states of both interacting systems. These maps can describe approximate quantum copy machines, as perfect copying of an unknown quantum state is not possible due to the celebrated no-cloning
Karol Zyczkowski+3 more
openaire +6 more sources
Quantum Channel Simulation and the Channel's Smooth Max-Information [PDF]
We study the general framework of quantum channel simulation, that is, the ability of a quantum channel to simulate another one using different classes of codes. Our main results are as follows.
K. Fang+3 more
semanticscholar +2 more sources
A Survey on Quantum Channel Capacities [PDF]
Quantum information processing exploits the quantum nature of information. It offers fundamentally new solutions in the field of computer science and extends the possibilities to a level that cannot be imagined in classical communication systems.
L. Gyongyosi, S. Imre, H. Nguyen
semanticscholar +1 more source
QUANTUM TELEPORTATION OF ENTANGLED STATES VIA GENERALIZED PHOTON-ADDED PAIR COHERENT STATE
In this paper, we study the quantum teleportation of an unknown atomic state based on the two-photon Jaynes-Cummings model, consisting of an effective two-level atom with a two-mode field in the generalized photon-added pair coherent state (GPAPCS).
Thi Hong Thanh Le+2 more
doaj +1 more source
Coherifying quantum channels [PDF]
Is it always possible to explain random stochastic transitions between states of a finite-dimensional system as arising from the deterministic quantum evolution of the system? If not, then what is the minimal amount of randomness required by quantum theory to explain a given stochastic process?
Kamil Korzekwa+5 more
openaire +5 more sources
Quantum channels with memory [PDF]
21 pages with 5 EPS figures.
Dennis Kretschmann, Reinhard F. Werner
openaire +3 more sources
Geometric Rényi Divergence and its Applications in Quantum Channel Capacities [PDF]
Having a distance measure between quantum states satisfying the right properties is of fundamental importance in all areas of quantum information. In this work, we present a systematic study of the geometric Rényi divergence (GRD), also known as the ...
K. Fang, Hamza Fawzi
semanticscholar +1 more source
Holonomy for quantum channels [PDF]
Minor changes, journal reference ...
Erik Sjöqvist, Johan Åberg, David Kult
openaire +3 more sources