Markovian heat bath: if its time-scale is much less than the timescale

We refer to it as a Markovian heat bath if its time-scale is much less than the timescale

of the system !S = 1/'0.

http://zyk.thss.tsinghua.edu.cn/51/contents/chap13/sub13-6/13-6.htm

http://hatano-lab.iis.u-tokyo.ac.jp/guidance/thesis/shuron2010/thesis_kawamoto.pdf