English

Fluctuations and Criticality in Quantum Paraelectrics

Materials Science 2015-05-13 v6 Statistical Mechanics

Abstract

The temperature dependence of static dielectric susceptibility of a system with strongly coupled fluctuating dipoles is calculated within a self consistent mean fluctuation field approximation. Results are qualitatively in good agreement with, a quantum paraelectric, SrTiO3_3 in the low temperature regime. We identify this system as a {\it gaped quantum paraelectric} and suggest a possible experimental realization of a {\it quantum critical paraelectric} through the application of hydrostatic pressure or doping by impurity.

Keywords

Cite

@article{arxiv.0707.2634,
  title  = {Fluctuations and Criticality in Quantum Paraelectrics},
  author = {Nabyendu Das and Suresh G. Mishra},
  journal= {arXiv preprint arXiv:0707.2634},
  year   = {2015}
}

Comments

9 pages, 3 figures, Published version

R2 v1 2026-06-21T08:59:17.475Z