2014/04/30 by Rong-Gen Cai, Run-Qiu Yang · 1 citation
Physics and Astronomy · #Antisymmetric tensor #Astrophysical Phenomena and Observations #Black Holes and Theoretical Physics #Black hole (networking) #Condensed matter physics #Cosmology and Gravitation Theories #Critical exponent #Ferromagnetism #Gauge theory #Magnetic field #Magnetization #Mathematical physics #Paramagnetism #Phase transition #Physics #Quantum electrodynamics #Quantum mechanics #cond-mat.str-el #gr-qc #hep-th
paper · pdf · doi:10.1103/physrevd.90.081901
published as Phys. Rev. D 90, 081901 (2014) · To appear in PRD as a rapid communication
arxiv created 2014/09/26 · openalex publication_date 2014/10/14 · arxiv updated 2014/10/22 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Coupling an antisymmetric tensor field to the electromagnetic field in a dyonic Reissner-Nordstr"om-anti--de Sitter black hole background, we build a holographic model for the paramagnetism/ferromagnetism phase transition. In the case of zero magnetic field, the time reversal symmetry is broken spontaneously and spontaneous magnetization happens at low temperatures. The critical exponents are in agreement with the ones from mean field theory. In the case of nonzero magnetic field, the model realizes the hysteresis loop of a single magnetic domain and the magnetic susceptibility satisfies the Curie-Weiss law.