| ZIMAN, Mário a Vladimír BUŽEK. All (qubit) decoherences: Complete characterization and physical implementation. Physical Review A. New York: American Physical Society, 2005, Vol. 72, No. 2, s. A022110, 9 s. ISSN 1050-2947. |
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@article{608005,
author = {Ziman, Mário and Bužek, Vladimír},
article_location = {New York},
article_number = {No. 2},
keywords = {quantum information processing; decoherence},
language = {eng},
issn = {1050-2947},
journal = {Physical Review A},
title = {All (qubit) decoherences: Complete characterization and physical implementation},
volume = {Vol. 72},
year = {2005}
}
TY - JOUR
ID - 608005
AU - Ziman, Mário - Bužek, Vladimír
PY - 2005
TI - All (qubit) decoherences: Complete characterization and physical implementation
JF - Physical Review A
VL - Vol. 72
IS - No. 2
SP - A022110
EP - A022110
PB - American Physical Society
SN - 10502947
KW - quantum information processing
KW - decoherence
N2 - We investigate decoherence channels that are modeled as a sequence of collisions of a quantum system (e.g., a qubit) with particles (e.g., qubits) of the environment. We show that collisions induce decoherence when a bipartite interaction between the system qubit and an environment (reservoir) qubit is described by the controlled-U unitary transformation (gate). We characterize decoherence channels and in the case of a qubit we specify the most general decoherence channel and derive a corresponding master equation. Finally, we analyze entanglement that is generated during the process of decoherence between the system and its environment.
ER -
ZIMAN, Mário a Vladimír BUŽEK. All (qubit) decoherences: Complete characterization and physical implementation. \textit{Physical Review A}. New York: American Physical Society, 2005, Vol. 72, No. 2, s.~A022110, 9 s. ISSN~1050-2947.
|
