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arXiv · 0910.4374

Quantum critical behavior of a magnetic quantum paraelectric

Nabyendu Das
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Abstract

We discuss the interplay between anti-ferromagnetic order and polarization fluctuations in a magnetic quantum paraelectric. Using an action where anti-ferromagnetic order parameter couples to the polarization fluctuations and as well as magnetic field, we derive a set of self consistent equations to study both the temperature and the magnetic field dependence of the static dielectric susceptibility. The temperature dependence of dielectric susceptibility near both the anti-ferromagnetic quantum critical point and ferroelectric quantum critical point are described using scaling arguments. Discussions on achieving various quantum critical points in experiments are also made.

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Nabyendu Das. 2009-10-22. Quantum critical behavior of a magnetic quantum paraelectric. https://doi.org/10.1016/j.physleta.2012.07.012

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