@article{oai:ipsj.ixsq.nii.ac.jp:00010510, author = {Kentaro, Imafuku and Hideki, Imai and Kentaro, Imafuku and Hideki, Imai}, issue = {10}, journal = {情報処理学会論文誌}, month = {Oct}, note = {We study a distinction problem of two heat baths with given information from ancilla(quantum or classical two level system) which is interacting with the heat baths. Analysing dynamics of ancilla system in a Markov approximation region we show that the process in which “quantum ancilla” acquires the quantum distinguishability is described as a bifurcation process from the time evolution of classical distinguishability., We study a distinction problem of two heat baths with given information from ancilla(quantum or classical two level system) which is interacting with the heat baths. Analysing dynamics of ancilla system in a Markov approximation region, we show that the process in which “quantum ancilla” acquires the quantum distinguishability is described as a bifurcation process from the time evolution of classical distinguishability.}, pages = {2465--2470}, title = {A Dynamical Bifurcation of Distinguishability in Thermalization Processes from Classical to Quantum}, volume = {46}, year = {2005} }