A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Measure for the non-Markovianity of quantum processes
Tekijät: Laine EM, Piilo J, Breuer HP
Kustantaja: AMER PHYSICAL SOC
Julkaisuvuosi: 2010
Journal: Physical Review A
Tietokannassa oleva lehden nimi: PHYSICAL REVIEW A
Lehden akronyymi: PHYS REV A
Artikkelin numero: ARTN 062115
Numero sarjassa: 6
Vuosikerta: 81
Numero: 6
Sivujen määrä: 8
ISSN: 1050-2947
DOI: https://doi.org/10.1103/PhysRevA.81.062115
Rinnakkaistallenteen osoite: https://arxiv.org/abs/1002.2583
Tiivistelmä
Recently, a measure for the non-Markovian behavior of quantum processes in open systems has been developed, which is based on the quantification of the flow of information between the open system and its environment [Phys. Rev. Lett. 103, 210401 (2009)]. The information flow is connected to the rate of change of the trace distance between quantum states, which can be interpreted in terms of the distinguishability of these states. Here, we elaborate the mathematical details of this theory, present applications to specific physical models, and discuss further theoretical and experimental implications as well as relations to alternative approaches proposed recently.
Recently, a measure for the non-Markovian behavior of quantum processes in open systems has been developed, which is based on the quantification of the flow of information between the open system and its environment [Phys. Rev. Lett. 103, 210401 (2009)]. The information flow is connected to the rate of change of the trace distance between quantum states, which can be interpreted in terms of the distinguishability of these states. Here, we elaborate the mathematical details of this theory, present applications to specific physical models, and discuss further theoretical and experimental implications as well as relations to alternative approaches proposed recently.
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