Abstract
In this paper, we study phase transitions of a class of time-inhomogeneous diffusion processes associated with the \(\varphi ^4\) model. We prove that when \(\gamma <0\), the system has no phase transition and when \(\gamma >0\), the system has a phase transition and we study the phase transition of the system through qualitative and quantitative methods. We further show that, as the strength of the mean field tends to 0, the solution and stationary distribution of such system converge locally uniformly in \(L^2\) and Wasserstein distance respectively to those of corresponding system without mean field.
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24 January 2023
A Correction to this paper has been published: https://doi.org/10.1007/s10955-023-03070-1
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Acknowledgements
This work is supported by the National Natural Science Foundation of China (11931004, 12090011) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.
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Liu, Y., Xie, Y. & Zhang, M. Phase Transitions for a Class of Time-Inhomogeneous Diffusion Processes. J Stat Phys 190, 42 (2023). https://doi.org/10.1007/s10955-022-03054-7
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DOI: https://doi.org/10.1007/s10955-022-03054-7