Dynamic transitions and hysteresis

BK Chakrabarti, M Acharyya - Reviews of Modern Physics, 1999 - APS
When an interacting many-body system, such as a magnet, is driven in time by an external
perturbation, such as a magnetic field, the system cannot respond instantaneously due to …

Nonequilibrium phase transitions in model ferromagnets: a review

M Acharyya - International Journal of Modern Physics C, 2005 - World Scientific
The thermodynamical behaviors of ferromagnetic systems in equilibrium are well studied.
However, the ferromagnetic systems far from equilibrium became an interesting field of …

Absence of first-order transition and tricritical point in the dynamic phase diagram of a spatially extended bistable system in an oscillating field

G Korniss, PA Rikvold, MA Novotny - Physical Review E, 2002 - APS
It has been well established that spatially extended, bistable systems that are driven by an
oscillating field exhibit a nonequilibrium dynamic phase transition (DPT). The DPT occurs …

Transient behavior of the dynamically ordered phase in uniaxial cobalt films

A Berger, O Idigoras, P Vavassori - Physical Review Letters, 2013 - APS
We study the time dependent magnetic behavior of uniaxial cobalt films in the vicinity of the
dynamic phase transition (DPT) as a function of the period P and bias H b of an oscillating …

Experimental exploration of dynamic phase transitions and associated metamagnetic fluctuations for materials with different Curie temperatures

JM Marín Ramírez, E Oblak, P Riego, G Campillo… - Physical Review E, 2020 - APS
We study dynamic magnetic behavior in the vicinity of the dynamic phase transition (DPT) for
a suitable series of samples that have different Curie temperatures TC, which thus enables …

Dynamic phase transition in a time-dependent Ginzburg-Landau model in an oscillating field

H Fujisaka, H Tutu, PA Rikvold - Physical Review E, 2001 - APS
Abstract The Ginzburg-Landau model below its critical temperature in a temporally
oscillating external field is studied both theoretically and numerically. As the frequency or the …

Dynamic phase transition in classical Ising models

Y Yüksel, E Vatansever - Journal of Physics D: Applied Physics, 2021 - iopscience.iop.org
When a ferromagnetic system is driven by an oscillating magnetic field, the system shows
various intriguing magnetic properties. The two most common features are dynamic phase …

Scaling of hysteresis dispersion in a model spin system

JM Liu, HLW Chan, CL Choy, CK Ong - Physical Review B, 2001 - APS
We present a calculation of the magnetic hysteresis and its area for a model continuum spin
system based on three-dimensional (Φ 2) 2 model with O (N) symmetry in the limit N→∞ …

Dynamic phase diagrams of a cylindrical Ising nanowire in the presence of a time dependent magnetic field

E Kantar, M Ertaş, M Keskin - Journal of magnetism and magnetic materials, 2014 - Elsevier
The dynamic phase diagrams of a cylindrical Ising nanowire in the presence of a time
dependent magnetic field are obtained by using the effective-field theory with correlations …

Dynamic phase transitions in thin ferromagnetic films

H Jang, MJ Grimson, CK Hall - Physical Review B, 2003 - APS
Monte Carlo simulations have been used to investigate the dynamic phase behavior of a
classical Heisenberg spin system with a bilinear exchange anisotropy Λ in a planar thin film …