Asymptotic convertibility of entanglement: An information-spectrum approach to entanglement concentration and dilution
نویسندگان
چکیده
منابع مشابه
An information-spectrum approach to fixed-length quantum entanglement concentration with the general source
Using an information-spectrum approach, we derive general formulas of entanglement concentration not only concerning the i.i.d. sequence, but also concerning the general sequence of partially entanglement pure states. From these formulas, we can calculate not only the achievable rate but also error exponents. These discussions discover a general relation between the performance of entanglement ...
متن کاملQubit and Entanglement assisted Optimal Entanglement Concentration
We present two methods for optimal entanglement concentration from pure entangled states by local actions only. However a prior knowledge of the Schmidt coefficients is required. The first method is optimally efficient only when a finite ensemble of pure entangled states are available whereas the second method realizes the single pair optimal concentration probability. We also propose an entang...
متن کاملAn Entanglement Study of Superposition of Qutrit Spin-Coherent States
Considering generalized concurrence as the criterion of entanglement, we study entanglement properties of superposition of two qutrit coherent states, as a function of their amplitudes. These states may attain maximum entanglement or no entanglement at all, depending on the choice of the parameters involved. The states revealing maximum entanglement also display the maximum violations of the Be...
متن کاملAsymptotic relative entropy of entanglement.
We present an analytical formula for the asymptotic relative entropy of entanglement with respect to positive partial transpose states for Werner states of arbitrary dimension. We then demonstrate its validity using methods from convex optimization. This is the first case in which the asymptotic value of a subadditive entanglement measure has been calculated.
متن کاملRemote information concentration and multipartite entanglement in multilevel systems
Remote information concentration (RIC) in d-level systems (qudits) is studied. It is shown that the quantum information initially distributed in three spatially separated qudits can be remotely and deterministically concentrated to a single qudit via an entangled channel without performing any global operations. The entangled channel can be different types of genuine multipartite pure entangled...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Mathematical Physics
سال: 2018
ISSN: 0022-2488,1089-7658
DOI: 10.1063/1.5013183