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We investigate novel transport phenomena in a chiral fluid originated from an interplay between a vorticity and strong magnetic field, which induces a redistribution of vector charges in the system and an axial current along the magnetic…

High Energy Physics - Theory · Physics 2016-10-12 Koichi Hattori , Yi Yin

A coupling of the first-order paramagnetic-to-induced-ferromagnetic martensitic and the second-order antiferromagnetic-to-ferromagnetic metamagnetic transitions was found in MnNi0.8Fe0.2Ge alloy. Based on the coupling, a magneto-volume…

Materials Science · Physics 2014-08-26 E. K. Liu , Z. Y. Wei , Y. Li , G. D. Liu , H. Z. Luo , W. H. Wang , H. W. Zhang , G. H. Wu

The effect of thermal fluctuations on the behaviuor of a 4-terminal SQUID is investigated. The studied system consists of the Josephson 4-terminal junction with two terminals short-circuited by a superconducting ring and other two form the…

Superconductivity · Physics 2015-06-25 R. de Bruyn Ouboter , A. N. Omelyanchouk

The phenomenology of exchange bias effects observed in structurally single-phase alloys and compounds but composed of a variety of coexisting magnetic phases such as ferromagnetic, antiferromagnetic, ferrimagnetic, spin-glass, cluster-glass…

Materials Science · Physics 2011-07-12 S Giri , M Patra , S Majumdar

We report on experiments giving evidence for quantum effects of electromagnetic flux in barium alumosilicate glass. In contrast to expectation, below 100 mK the dielectric response becomes sensitive to magnetic fields. The experimental…

Condensed Matter · Physics 2009-10-31 P. Strehlow , M. Wohlfahrt , A. G. M. Janssen , R. Haueisen , G. Weiss , C. Enss , S. Hunklinger

We report the evolution of structural and magnetic properties in La2O3(Fe1-xMnx)2Se2. Heat capacity and bulk magnetization indicate an increased ferromagnetic component of the long-range magnetic order and possible increased degree of…

Strongly Correlated Electrons · Physics 2012-10-10 Hechang Lei , Emil S. Bozin , A. Llobet , V. Ivanovski , V. Koteski , J. Belosevic Cavor , B. Cekic , C. Petrovic

We study magnetoelectric (magneto-current) effects in a diamond structure under antiferro quadrupole (AFQ) orders. The AFQ orders break the spacial inversion symmetry and cause the current-induced magnetization. The current-induced…

Strongly Correlated Electrons · Physics 2019-06-03 Takayuki Ishitobi , Kazumasa Hattori

We demonstrate that global observations of high-energy cosmic rays contribute to understanding unique characteristics of a large-scale magnetic flux rope causing a magnetic storm in August 2018. Following a weak interplanetary shock on 25…

In a wide variety of natural and laboratory magnetized plasmas, filaments appear as a result of interchange instability. These convective structures substantially enhance transport in the direction perpendicular to the magnetic field.…

Spacecraft data reveals a nonuniform ambipolar electric field transverse to the magnetic field in a thin magnetotail current sheet that leads to intense ExB velocity shear and non-gyrotropic particle distributions. The ExB drift far exceeds…

We report remarkable multiferroic effects in polycrystalline Bi2Fe4O9. High-resolution X-ray diffraction shows that this compound has orthorhombic structure. Magnetic measurements confirm an antiferromagnetic transition around 260 K. A…

Materials Science · Physics 2009-11-13 A. K. Singh , S. D. Kaushik , Brijesh Kumar , A. Venimadhav , P. K. Mishra , V. Siriguri , S. Patnaik

We show that the magnetoelastic coupling between the magnetization and the amplitude of a short wavelength phonon enables the existence of a first order premartensitic transition from a bcc to a micromodulated phase in $Ni_{2}MnGa$. Such a…

Materials Science · Physics 2009-10-30 Antoni Planes , Eduard Obrado , Alfons Gonzalez-Comas , Lluis Manosa

The dc magnetization (M) and electrical resistivity (\rho) as functions of magnetic field and temperature are reported for a series of lightly electron dopedCa(1-x)La(x)MnO(3) (0<=x<=0.10) specimens for which magnetization [Phys. Rev. B…

Strongly Correlated Electrons · Physics 2007-05-23 C. Chiorescu , J. J. Neumeier , J. L. Cohn

Multi-instrument observations of NOAA AR10938 on Jan. 14-18, 2007, are utilized to study the evolution of a magnetic thread system with multiple crossings suggestive of a twisted coronal flux rope. A C-class flare recorded by GOES on Jan.…

Solar and Stellar Astrophysics · Physics 2009-02-04 Nour-Eddine Raouafi

We report the discovery of an X-ray/UV stellar flare from the source LMC 335, captured by XMM-Newton in the field of the Large Magellanic Cloud. The flare event was recorded continuously in X-ray for its first 10 hours from the precursor to…

Solar and Stellar Astrophysics · Physics 2015-06-05 B. T. H. Tsang , C. S. J. Pun , R. Di Stefano , K. L. Li , A. K. H. Kong

The LBNF Absorber consists of thirteen 6061-T6 aluminum core blocks. The core blocks are water cooled with de-ionized (DI) water which becomes radioactive during beam operations. The cooling water flows through gun-drilled channels in the…

Accelerator Physics · Physics 2024-06-04 A. Deshpande , P. Hurh , J. Hylen , A. Lee , J. Lewis , I. Rakhno , V. I. Sidorov , Z. Tang , S. Tariq I. Tropin

Liquid metal flow behavior under magnetic field and electric current is investigated in experiment and numerical simulations. Several aspects of the resulted Lorentz force action are discussed and demonstrated. The enhanced flow mixing…

Fluid Dynamics · Physics 2017-11-01 M. Modestov , E. Kolemen , E. P. Gilson , J. A. Hinojosa , H. Ji , T. Kunugi , R. Majeski

Ab initio calculations show an antiferromagnetic-ferromagnetic phase transition around 9-10 GPa and a magnetic anomaly at 12 GPa in BiFeO3. The magnetic phase transition also involves a structural and insulator-metal transition. The G-type…

Materials Science · Physics 2012-12-20 Hong-Jian Feng

We report results of magnetization, zero field resistivity and magnetoresistance measurements in ferromagnetic Heusler alloy Co$_2$TiSn. There is a striking change in the character of electron transport as the system undergoes the…

Materials Science · Physics 2009-11-11 S. Majumdar , M. K. Chattopadhyay , V. K. Sharma , K. J. S. Sokhey , S. B. Roy , P. Chaddah

We report the suppression of the magnetic phase transition in La1-xCaxMnO3 close to the localized-to-itinerant electronic transition, i.e. at x = 0.2 and x = 0.5. A new crossover temperature Tf can be defined for these compositions instead…

Materials Science · Physics 2009-11-10 F. Rivadulla , J. Rivas , J. B. Goodenough