Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Irreversible Physical Process and Information Height

Version 1 : Received: 11 January 2021 / Approved: 15 January 2021 / Online: 15 January 2021 (12:30:33 CET)

How to cite: Liu, Q.; Tang, Q.; Yi, Y.; Feng, Y. Irreversible Physical Process and Information Height. Preprints 2021, 2021010288 (doi: 10.20944/preprints202101.0288.v1). Liu, Q.; Tang, Q.; Yi, Y.; Feng, Y. Irreversible Physical Process and Information Height. Preprints 2021, 2021010288 (doi: 10.20944/preprints202101.0288.v1).

Abstract

The time’s arrow of macroscopic physical phenomenon is reflected by irreversible physical process, which essentially occurs from small probability state to high probability state. In this paper, simplified models are proposed to understand the macroscopic physical process. In order to describe the information of a physical system, we defined the full self-information as "information height" to describe the complexity or difficulty of a macrostate of physical system. In this way, the direction of macroscopic physical process is from high information height to low information height. We can judge the direction of physical process by the information height. If we want the macroscopic physical process to evolve from the low information height state to the high information height state, the system need to add extra information and corresponding energy to increase the information height.

Subject Areas

time’s arrow; irreversible physical process; self-information; Shannon entropy; information height

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