Magnetocaloric Effect for a <i>Q</i>-Clock-Type System by Michel Aguilera, Sergio Pino-Alarcón, Francisco J. Peña, Eugenio E. Vogel, Natalia Cortés, Patricio Vargas

“…By obtaining the entropy, it is possible to quantify the MCE through an isothermal process in which the external magnetic field on the spin system is varied. In particular, we find the values of <i>Q</i> that maximize the MCE depending on the lattice size and the magnetic phase transitions linked with the process. …”
Get full text

Analytical Solutions of Fractional Walter’s B Fluid with Applications by Qasem Al-Mdallal, Kashif Ali Abro, Ilyas Khan

“…The problem is solved analytically and solutions of mass concentration, temperature distribution, and velocity field are obtained in the presence and absence of porous and magnetic field impacts. The general solutions are expressed in the format of generalized Mittag-Leffler function MΩ2,Ω3Ω1χ and Fox-H function Hp,q+11,p satisfying imposed conditions on the problem. …”
Get full text

A Numerical Assessment of Time-Dependent Magneto-Convective Thermal-Material Transfer over a Vertical Permeable Plate by Mohammed Jahir Uddin, R. Nasrin

“…The intensifying values of the magnetic field are affected decreasingly in the flow field. …”
Get full text

Analysis of the account of slot harmonics in stator’s EMF in mathematical modeling of the process of testing induction motors by the mutual load method by V. V. Kharlamov, D. I. Popov

“…The article presents the results of mathematical modeling of induction motors powered by frequency converters taking into account slot harmonics of EMF and stator current due to corresponding pulsation of magnetic field induction in air gap. The results of calculations for low, medium and high-power engines are presented. …”
Get full text

Magnetic noise detection and imaging from a superparamagnetic core-shell particle via an ensemble of nitrogen-vacancy centers in a thin diamond chip by Thitinun Gas-osoth, Kunitaka Hayashi, Dwi Prananto, Toshu An

“…We describe a local fluctuating magnetic field detection of Fe _3 O _4 superparamagnetic core–shell particles via relaxometry of an ensemble of NV centers in a diamond. …”
Get full text

Magnetorheological Elastomer Precision Platform Control Using OFFO-PID Algorithm by Ying-Qing Guo, Jie Zhang, Dong-Qing He, Jin-Bao Li

“…The key to the effective isolation of vibration and shock absorption is how to accurately and in real time determine the magnitude of the applied magnetic field according to the motion state of the controlled system. …”
Get full text

Electrical Transport Properties of (Bi1.6Pb0.4Sr2Ca2Cu3O10)/Ag Tapes with Different Nanosized MgO by Nabil A. A. Yahya, R. Abd-Shukor

“…The temperature and magnetic field dependence of Jc for the MgO added tapes exhibited a significant enhancement compared with the nonadded tapes. …”
Get full text

Thermodynamic properties and the confinement frequency for Second Pὃschl-Teller potential by C.A. Onate, I.B. Okon, E. Omugbe, E.S. Eyube, K.O. Emeje

“…The result also showcases that the magnetic field which is the main term in the cyclotron frequency has less decreasing effect on the enthalpy and entropy compared to the frequency as part of the total confinement frequency.…”
Get full text

Magnetic reconnection and energy extraction from a Konoplya–Zhidenko rotating non-Kerr black hole by Fen Long, Shangyun Wang, Songbai Chen, Jiliang Jing

“…Abstract Recently, magnetic reconnection has attracted considerable attention as a novel energy extraction mechanism, relying on the rapid reconnection of magnetic field lines within the ergosphere. We have investigated the properties of the energy extraction via magnetic reconnection in a Konoplya–Zhidenko rotating non-Kerr black hole spacetime with an extra deformation parameter. …”
Get full text

Optimized Efficiency at Two Optimum Operations of a Stochastically Driven Quantum Dot Heat Engine by Yigermal Bassie, Tibebe Birhanu, Yoseph Abebe, Mulugeta Bekele

“…We study the optimized efficiency of a quantum dot heat engine according to the optimization criteria to find their corresponding optimized quantities in an external magnetic field (stochastic driving force). Accordingly, we found (1) efficiency-wise, optimized efficiency is better than efficiency at maximum power; (2) power-wise, the optimized power is smaller than its value at maximum power by 35%; and (3) period-wise, it performs the task in a cycle twice that of the period at maximum power. …”
Get full text

Investigation of Segmented Halbach Array Design for Passive Magnetorheological Brake System by Yaojung Shiao, Manichandra Bollepelly

“…The Halbach array is a significant advancement in designing permanent magnets with a specialized arrangement due to their unique capacity to generate strong unidirectional magnetic fields, which have attracted substantial attention in various applications. …”
Get full text

Entangled quantum Stirling heat engine based on two particles Heisenberg model with Dzyaloshinskii-Moriya interaction by H. R. Rastegar-Sedehi, Clebson Cruz

“…In this study, we analyze a quantum Stirling heat engine characterized by a working substance composed of a two-particle Heisenberg model with Dzyaloshinskii–Moriya (DM) interaction under an external magnetic field. We investigate the impact of the antisymmetric interaction on the engine’s efficiency across varying coupling parameters. …”
Get full text

Fe3O4@HA-Cu(OAc)2 nanocomposite as a nanomagnetic water-compatible catalyst for efficient synthesis of 1,2,3-triazoles in water by Beheshteh Arjmandzadeh, Abbas Ali Jafari

“…The catalyst was easily recovered with an external magnetic field, and therefore, time and energy were saved as no filtration or decantation technique was needed. …”
Get full text

Experimental and model analysis of the thermoelectric characteristics of serial arc in prismatic lithium‐ion batteries by Wenqiang Xu, Languang Lu, Kai Zhou, Yalun Li, Bin Gao

“…The arc voltages at different electrode spacings are analysed, and the electric field distribution, magnetic field distribution, arc temperature and flow velocity around the arc are investigated to determine the maximum values and locations of the electric field strength, magnetic density, arc temperature and flow velocity at the time of the arc fault. …”
Get full text

Vortices in dipolar Bose–Einstein condensates by Bland, Thomas, Lamporesi, Giacomo, Mark, Manfred J., Ferlaino, Francesca

“…Phys. 18, 1453-1458 (2022)], we thoroughly investigate vortex properties in the three-dimensional dominantly dipolar regime, where beyond-mean-field effects are crucial for stability, and investigate the interplay between trap geometry and magnetic field tilt angle.…”
Get full text

Manipulation of the magnetic monopole injection for topological transition by Hee-Sung Han, Sergio A. Montoya, Eric E. Fullerton, Weilun Chao, Soong-Geun Je, Ki‐Suk Lee, Mi-Young Im

“…An easily tunable in-plane magnetic field applied to an Fe/Gd multilayer plays a key role in the magnetic monopole injection by modulating the local exchange energy. …”
Get full text

Influence of mechanical activation and heat treatment on magnetic properties of nanostructured mixture Ni85.8Fe10.6Cu2.2W1.4 by Vasić M.M., Kalezić-Glišović A.S., Milinčić R., Radović Lj., Minić D.M., Maričić A.M., Minić D.M.

“…The microstructural changes, which include the structural relaxation, decrease in free volume, density of dislocation and microstrain, improve structural characteristics of material, enabling better mobility of walls of magnetic domains and their better orientation in applied magnetic field and consequently enabling better mass magnetization of the material. …”
Get full text

An Experiment and Detection Scheme for Cavity-Based Light Cold Dark Matter Particle Searches by Masroor H. S. Bukhari, Zahoor H. Shah

“…The scheme is based on our idea of a resonant detector, incorporating an integrated tunnel diode (TD) and GaAs HEMT/HFET (High-Electron Mobility Transistor/Heterogeneous FET) transistor amplifier, weakly coupled to a cavity in a strong transverse magnetic field. The TD-amplifier combination is suggested as a sensitive and simple technique to facilitate resonance detection within the cavity while maintaining excellent noise performance, whereas our proposed Halbach magnet array could serve as a low-noise and permanent solution replacing the conventional electromagnets scheme. …”
Get full text

Trajectories of a magnetic sphere in a shaken three-dimensional granular bed under low gravity by Ke Cheng, Meiying Hou, Wei Sun, Zhihong Qiao, Xiang Li, Tuo Li, Mingcheng Yang

“…Additionally, we make the raw magnetic field data, processing scripts, and visualization tools accessible to the public. …”
Get full text

The central role of tilted anisotropy for field-free spin–orbit torque switching of perpendicular magnetization by Chen-Yu Hu, Wei-De Chen, Yan-Ting Liu, Chao-Chung Huang, Chi-Feng Pai

“…However, for electronic systems with perpendicular magnetic anisotropy (PMA), the use of SOT is still hampered by the necessity of a longitudinal magnetic field to break magnetic symmetry and achieve deterministic switching. …”
Get full text