Abstract
We consider the influence of the temperature on the normal state in a one-dimensional ferromagnetic phase transition. This transition occurs only at T = 0 in the Luttinger model but the proximity of the critical point can give drastic effects on the physical properties of the normal phase Using the flow equations of the Renormalization group and a Φ4model with a dynamical critical exponent z = 2, we calculated the temperature dependence of coherence length, magnetic susceptibility, and specific heat.
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Crisan, M., Grosu, I. & Tifrea, I. Quantum Critical Proximity of the One-Dimensional Ferromagnetic Phase. J Supercond 20, 273–277 (2007). https://doi.org/10.1007/s10948-006-0201-8
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DOI: https://doi.org/10.1007/s10948-006-0201-8