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A fragile ordered state can be easily tuned by various external parameters. When the ordered state is suppressed to zero temperature, a quantum phase transition occurs, which is often marked by the appearance of unconventional…

Superconductivity · Physics 2023-09-15 Hyunsoo Kim , I-Lin Liu , Wen-Chen Lin , Yun Suk Eo , Sheng Ran , Nicholas P. Butch , Johnpierre Paglione

We present a non mean-field model which undergoes a magnetostriction phase transition in the temperature. That is, the crystal becomes sharply contracted and magnetized once the temperature passes below the critical value

Mathematical Physics · Physics 2009-11-10 Senya Shlosman , Valentin Zagrebnov

Ferronematic phases, composed of liquid crystals doped with magnetic nanoparticles, exhibit unique magnetomechanical coupling effects that are of interest for responsive materials. In this study, we investigate the influence of…

Exact analytical results are obtained for the flux-pinning-induced magnetostriction in cylindrical type-II superconductors placed in parallel magnetic field. New modes of irreversible deformation are found: In contrast to the circular…

Superconductivity · Physics 2009-10-30 T. H. Johansen , J. Lothe , H. Bratsberg

Magnetoelectric (ME) effect, the phenomenon of inducing magnetization by application of an electric field or vice versa, holds great promise for magnetic sensing and switching applications. Studies of the ME effect have so far focused on…

Mesoscale and Nanoscale Physics · Physics 2021-10-19 Jieun Lee , Zefang Wang , Hongchao Xie , Kin Fai Mak , Jie Shan

We explore the influence of demagnetization interaction on magnetic memory effect by varying organization geometry of anisotropic ZnFe$_2$O$_4$ nanoparticles in an ensemble. The static and dynamic behaviour of two differently organized…

Materials Science · Physics 2020-12-30 Korobi Konwar , Som Datta Kaushik , Debasis Sen , Pritam Deb

Critical thermodynamics close to a metamagnetic quantum critical endpoint (QCEP) in a metal is discussed within the framework of spin-fluctuation theory. We analyze the effective potential for the Ising order parameter that is renormalized…

Strongly Correlated Electrons · Physics 2015-06-15 Mario Zacharias , Markus Garst

The location of the critical end point (CEP) in the QCD phase diagram is determined under different scenarios. The effect of strangeness, isospin/charge asymmetry and an external magnetic field is investigated. The discussion is performed…

High Energy Physics - Phenomenology · Physics 2014-03-27 Pedro Costa , Márcio Ferreira , Hubert Hansen , Débora P. Menezes , Constança Providência

Magnets with controllable magnetization and high critical temperature are essential for practical spintronics devices, among which the two-dimensional 1T-CrTe2 stands out because of its high experimental critical temperature up to about…

Materials Science · Physics 2025-10-14 Fengping Li , Bheema Lingam Chittari , Chao Lei , Jeil Jung

We have studied the effect of ageing within the miscibility gap on the electric, magnetic and thermodynamic properties of a non-stoichiometric Heusler Cu-Al-Mn shape-memory alloy, which undergoes a martensitic transition from a $bcc$-based…

Materials Science · Physics 2016-08-16 Jordi Marcos , Antoni Planes , Lluís Mañosa , Amílcar Labarta , Bart Jan Hattink

We present a model to study effects from an external magnetic field, chemical potential, and finite size, on the phase structure of a massive four- and six-fermion interacting system. These effects are introduced by a method of…

Other Condensed Matter · Physics 2018-04-04 Emerson B. S. Corrêa , César A. Linhares , Adolfo P. C. Malbouisson

Recent observation of intrinsic ferromagnetism in two-dimensional (2D) CrI$_3$ is associated with the large magnetic anisotropy due to strong spin-orbit coupling (SOC) of I. Magnetic anisotropy energy (MAE) defines the stability of…

Mesoscale and Nanoscale Physics · Physics 2018-10-10 Lucas Webster , Jia-An Yan

The effects of a magnetic field on a modulated phase is studied. A modulated phase is found to have two critical fields $H_{1}$ and $H_{2}$. For a large enough magnetic field. $H_1$ can be approximated by a linear law. As a result, the…

Condensed Matter · Physics 2015-06-25 Bambi Hu , Jian Zhou

We study the thermodynamics of the Hamiltonian Mean Field (HMF) model with an external potential playing the role of a "magnetic field". If we consider only fully stable states, this system does not present any phase transition. However, if…

Statistical Mechanics · Physics 2015-05-20 Pierre-Henri Chavanis

Chirality in solid-state materials has sparked significant interest due to potential applications of topologically-protected chiral states in next-generation information technology. The electrical magneto-chiral effect (eMChE), arising from…

We describe magneto-, baro- and elastocaloric effects (MCEs, BCEs and eCEs) in materials which possess both discontinuous (first-order) and continuous (second-order) magnetic phase transitions. Our ab initio theory of the interacting…

Materials Science · Physics 2020-06-03 Eduardo Mendive-Tapia , Julie B. Staunton

Cr$_2$O$_3$ is the archetypal magnetoelectric (ME) material, which has a linear coupling between electric and magnetic polarizations. Quadratic ME effects are forbidden for the magnetic point group of Cr$_2$O$_3$, due to space-time…

Scientific study of the effect of structural memory of nonequilibrium defective solids about the processing in magnetic field (the magnetic structural effect (MSE) was continued in this paper. The study was aimed to reveal the universal…

Materials Science · Physics 2009-11-11 F. Kh. Chibirova

The periodic response of magnetoresistance to an externally tunable parameter, such as magnetic field or chemical composition, in the bulk or an artificially designed material has been exploited for technological applications as well as to…

Materials Science · Physics 2012-09-04 S. Dickert , D. K. Singh , R. Thantirige , M. T. Tuominen

In a magnetized, collisionless plasma, the magnetic moment of the constituent particles is an adiabatic invariant. An increase in the magnetic-field strength in such a plasma thus leads to an increase in the thermal pressure perpendicular…

High Energy Astrophysical Phenomena · Physics 2019-02-27 Andrew Alt , Matthew W. Kunz