Finite-size and Fluctuation Effects on Phase Transition and Critical Phenomena using Mean-Field Approach Based on Renormalized ${\varphi }^4$ Model: I. Theory

R. M. Keumo Tsiaze, S. E. Mkam Tchouobiap, A. J. Fotué +4

An investigation of the spatial fluctuations and their manifestations in the vicinity of the quantum critical point within the framework of the renormalized ${\varphi }^4$ theory is propo…