نتایج جستجو برای: external magnetic field

تعداد نتایج: 1206509  

2000
A. Tuohimaa J. Paasi T. Tarhasaari R. De Luca

The magnetic response of three-dimensional Josephson junction networks to constant or slowly varying external magnetic fields is studied. General equations are written for complex networks made of n elementary cubic cells, each cell containing 12 resistively shunted ideal Josephson junctions. The magnetic-flux distribution in the network is calculated numerically as a function of the external m...

Journal: :TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 2002

Journal: :Journal of Research of the National Institute of Standards and Technology 2005

2007
Osamu TAKAHASHI Naotake KURUSHIMA Akio KAWANO

Molecular dynamics model calculations for the thermal decomposition of N2O with external magnetic field were performed. The effect of external magnetic field was modeled by parameterization of the interaction term between the singlet and triplet potential surfaces. It was suggested that the increase of the rate constant by external magnetic field could be explained by means of the increase of i...

2008
Clifford V. Johnson Arnab Kundu

Using the Sakai–Sugimoto model we study the effect of an external magnetic field on the dynamics of fundamental flavours in both the confined and deconfined phases of a large Nc gauge theory. We find that an external magnetic field promotes chiral symmetry breaking, consistent with the “magnetic catalysis” observed in the field theory literature, and seen in other studies using holographic dual...

2006
Zhen Huang Sabre Kais

We study the dynamics of entanglement for a one-dimensional spin system, where spins are coupled through nearest-neighbor exchange interaction and subject to different external magnetic fields. First we examine the system size effect on the entanglement with three different external magnetic fields changing with time t: an exponential function e −Kt and two periodic sin Kt and cos Kt functions,...

Wind energy is used to rotate a magnetic turbine in order to remove heat from the surface of a photovoltaic (PV) panel. A three-bladed turbine, which rotates with wind energy, has rotational motion underneath the studied PV panel in order to move Magnetic Nano-Particles (MNPs). In addition, effects of the magnetic field strength (B=450-830 mT), rotational velocity of the magnetic turbine (ω), a...

2009
Masahiro Hiraoka Zentaro Akase Daisuke Shindo Yuichi Ogawa Yoshihito Yoshizawa

Effects of heat treatment, with and without an external magnetic field, on the magnetic properties of Fe81B15Si4 amorphous specimens are investigated by Lorentz microscopy and electron holography. These observations are used to clarify the details of magnetizing processes in the specimens. It is found that heat-treatment with an external magnetic field increases the magnetic anisotropy, while t...

Journal: :J. Applied Mathematics 2012
Sheng Lun Hung Jik Chang Leong

This work numerically studies the flow pattern of a magnetic fluid filled within an annulus whose inner cylinder is moving at a constant rotational speed, while the outer cylinder is stationary but under the influence of a nonuniform external magnetic field. The magnetic field consists of four basic configurations, that is, completely circular, semicircular, quarter circular, and alternately qu...

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