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The self-organization of magnetospheric plasma is brought about by inward diffusion of magnetized particles. Not only creating a density gradient toward the center of a dipole magnetic field, the inward diffusion also accelerates particles…

An intense transient magnetic field is produced in high energy heavy-ion collisions mostly due to the spectator protons inside the two colliding nucleus. The magnetic field introduces anisotropy in the medium and hence the isotropic scalar…

The thermal emission from isolated neutron stars is not well understood. The X-ray spectrum is very close to a blackbody but there is a systematic optical excess flux with respect to the extrapolation to low energy of the best blackbody…

Astrophysics · Physics 2009-11-13 J. F. Perez-Azorin , J. A. Miralles , J. A. Pons

We observe pronounced transport anisotropies in magneto-transport experiments performed in the two-dimensional electron system of a Si/SiGe heterostructure. They occur when an in-plane field is used to tune two Landau levels with opposite…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 U. Zeitler , H. W. Schumacher , A. G. M. Jansen , R. J. Haug

The results of diffuse neutron scattering experiment on PbMg1/3Nb2/3O3 single crystal above the Burns temperature are reported. It is shown that the high temperature elastic diffuse component is highly anisotropic in low-symmetry Brillouin…

Materials Science · Physics 2015-03-17 R. G. Burkovsky , S. B. Vakhrushev , K. Hirota , M. Matsuura

We examine the thermal properties of the spin-1 Heisenberg antiferromagnet on the honeycomb lattice in the presence of an easy-plane single-ion anisotropy as well as the effects of an additional weak in-plane easy-axis anisotropy. In…

Strongly Correlated Electrons · Physics 2022-03-17 Nils Caci , Lukas Weber , Stefan Wessel

We report unexpected behaviour in a family of Cu spin- 1/2 systems, in which an apparent gap in the low energy magneto-optical absorption spectrum opens at low temperature. This previously unreported collective phenomenon arises at…

Strongly Correlated Electrons · Physics 2009-08-03 S. Cox , R. D. McDonald , J. Singleton , S. Miller , P. A. Goddard , S. El Shawish , J. Bonca , J. A. Schlueter , J. L. Manson

The power spectrum of temperature anisotropies induced by hot intracluster gas on the cosmic background radiation is calculated. For low multipoles it remains constant while at multipoles above $l>2000$ it is exponentially damped. The shape…

Astrophysics · Physics 2009-10-31 F. Atrio Barandela , J. P. Muecket

Anisotropic heat transfer offers promising solutions to the efficient heat dissipation in the realm of electronic device thermal management. However, the fundamental origin of the anisotropy of thermal transport remains mysterious. In this…

Applied Physics · Physics 2024-12-25 Qikun Tian , Qi Yang , An Huang , Bo Peng , Jinbo Zhang , Xiong Zheng , Jian Zhou , Zhenzhen Qin , Guangzhao Qin

Protons (ionized hydrogen) in the solar wind frequently exhibit distinct temperatures ($T_{\perp p}$ and $T_{\parallel p}$) perpendicular and parallel to the plasma's background magnetic-field. Numerous prior studies of the interplanetary…

The upper critical fields, $H_{c2}$($T$), of single crystals of the superconductor Ca$_{10}$(Pt$_{4-\delta}$As$_{8}$)((Fe$_{0.97}$Pt$_{0.03}$)$_{2}$As$_{2}$)$_{5}$ ($\delta$ $\approx$ 0.246) are determined over a wide range of temperatures…

An anisotropic lattice anomaly near the superconducting transition temperature, Tc, was observed in MgB2 by high-resolution neutron powder diffraction. The a-axis thermal expansion becomes negative near Tc, while the c-axis thermal…

Superconductivity · Physics 2007-05-23 J. D. Jorgensen , D. G. Hinks , P. G. Radaelli , W. I. F. David , R. M. Ibberson

A magnetic field was recently shown to enhance field-parallel heat conduction in a strongly correlated plasma whereas cross-field conduction is reduced. Here we show that in such plasmas, the magnetic field has the additional effect of…

Plasma Physics · Physics 2017-01-25 T. Ott , M. Bonitz , P. Hartmann , Z. Donkó

Despite numerous studies the exact nature of the order parameter in superconducting Sr2RuO4 remains unresolved. We have extended previous small-angle neutron scattering studies of the vortex lattice in this material to a wider field range,…

Magnetoresistance loops under in-plane applied field were measured on perpendicularly magnetized magnetic tunnel junction (pMTJ) pillars with nominal diameters ranging from 50 to 150 nm. By fitting the hard-axis magnetoresistance loops to…

Mesoscale and Nanoscale Physics · Physics 2016-02-19 A. A. Timopheev , R. Sousa , M. Chshiev , T. Nguyen , B. Dieny

The thermal and magnetic properties of spin-1 magnetic chain compounds with large single-ion and in-plane anisotropies are investigated via the integrable su(3) model in terms of the quantum transfer matrix method and the recently developed…

Statistical Mechanics · Physics 2008-11-26 M. T. Batchelor , Xi-Wen Guan , Norman Oelkers

We investigate the in-plane anisotropy of Fe 3d orbitals occurring in a wide temperature and composition range of BaFe2(As1-xPx)2 system. By employing the angle-resolved photoemission spectroscopy, the lifting of degeneracy in dxz and dyz…

Superconductivity · Physics 2015-12-09 T. Sonobe , T. Shimojima , A. Nakamura , M. Nakajima , S. Uchida , K. Kihou , C. H. Lee , A. Iyo , H. Eisaki , K. Ohgushi , K. Ishizaka

We examine the interplay between anisotropy of the in-plane magnetization and the nodal gap structure on the basis of the approximate analytic solution in the quasiclassical formalism. We show that a four-fold oscillation appears in the…

Superconductivity · Physics 2009-11-10 Hiroaki Kusunose

This article describes new polar angle-dependent magnetoresistance (ADMR) measurements in the overdoped cuprate Tl$_2$Ba$_2$CuO$_{6+\delta}$ over an expanded range of temperatures and azimuthal angles. These detailed measurements re-affirm…

Superconductivity · Physics 2015-05-13 M. M. J. French , J. G. Analytis , A. Carrington , L. Balicas , N. E. Hussey
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