Abstract
At the macroscopic scale we observe that transport between two regions is proportional to the difference of concentration between them, otherwise known as Fick’s law. It is however not trivial to understand how this macroscopic and phenomenological law emerges from the microscopic laws of nature. Here, by studying the magnetization transport in one-dimensional quantum spin chains, we show two effects that contribute to the emergence of this law: interaction between the constituting elements as well as the presence of decohering processes. This is important for better understanding the behavior of transport at the nanoscale and to produce novel nano/quantum transport devices.
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Chaudhary, A., Yeoh Kai Xiang, C., Athavle, V., Bo, X., Poletti, D. (2021). Magnetisation Transport in XXZ Spin Chains. In: Guo, H., Ren, H., Kim, N. (eds) IRC-SET 2020. Springer, Singapore. https://doi.org/10.1007/978-981-15-9472-4_18
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DOI: https://doi.org/10.1007/978-981-15-9472-4_18
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