magnetic field

英語

Surface magnetic field of Tau Scorpii as reconstructed by means of Zeeman–Doppler imaging
心宿三表面磁場的塞曼-多普勒成像圖片

名詞

magnetic field (複數 magnetic fields)

1. (物理學) 磁場
   • 1983, Ronald T. Merrill, Michael W. McElhinny, The Earth's Magnetic Field: Its History, Origin, and Planetary Perspective, Academic Press，第 135 頁:

     David (1904) and Brunhes (1906) first observed magnetizations in lava flows that were roughly opposed to that of the present earth's magnetic field.

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   • 1996, V. R. Khalilov, Electron Strong Magnetic Field, [1988, V. R. Khalilov, Elektroni v silnom magnetom poli, Energoatomizdat, Moscow], Gordon and Breach Science Publishers, page 123,

     In contrast to the IQHE^{[Integer Quantum Hall Effect]}, the fractional quantum Hall effect occurs in much stronger magnetic fields, and in this case electrons cannot be considered as noninteracting ones.

   • 2007, Eugene N. Parker, Conversations on Electric and Magnetic Fields in the Cosmos, Princeton University Press，第 25 頁:

     The magnetic field B bears the same relation to a hypothetical magnetic charge m as the electric field bears to the electric charge q, so the development of the previous chapter can be taken over completely. The stress tensor for a magnetic field B_i is identical in form to that for the electric field. The energy density is obviously B²/8π and the magnetic field is a physical reality just like the electric field. Electric and magnetic fields superpose linearly […] . This is perhaps a convenient place to remark that a magnetic field exerts no force whatever on an electric charge.

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   • 2008, BioWare, Mass Effect, Redwood City: Electronic Arts, →ISBN, →OCLC，PC，幕：Turians: Biology Codex entry:

     The turian homeworld, Palaven, has a metal-poor core, generating a weak magnetic field and allowing more solar radiation into the atmosphere.

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   • 2023年11月15日, Prof. Jim Wild, 「This train was delayed because of bad weather in space」, 出自 RAIL, 第 996 期，第 30 頁:

     The scientific instruments of the day recorded rapid fluctuations in the Earth's magnetic field, as powerful electrical currents flowed through the upper atmosphere.

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   1. (modern) B-field
   2. (過時) H-field

同義詞

• (B-field)： magnetic flux density, magnetic induction
• (H-field)： magnetic field intensity, magnetic field strength, magnetizing field

衍生詞

• magnetic field deficiency syndrome

參見

• magnetism
• electromagnetism