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.
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