Difference between revisions of "Strong Magnetic Fields"
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Earth: 5 x 10^-5 T | Earth: 5 x 10^-5 T | ||
| − | Sun: 5 x 10^-3 T | + | Sun: 5 x 10^-3 T nasa web site ref: http://science.nasa.gov/headlines/y2001/ast15feb_1.htm |
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| − | nasa web site ref: http://science.nasa.gov/headlines/y2001/ast15feb_1.htm | ||
Refrigerator magnet: 5 x 10^-3 T | Refrigerator magnet: 5 x 10^-3 T | ||
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Typical Hospital MRI: 2-3 T | Typical Hospital MRI: 2-3 T | ||
| − | + | Functional MRI: 4 T | |
Experimental Human MRI: 8.4 T [REF] | Experimental Human MRI: 8.4 T [REF] | ||
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Upper Limit: 10^13 T "No known objects in the universe can generate and maintain fields stronger than this level." [Kouveliotou] | Upper Limit: 10^13 T "No known objects in the universe can generate and maintain fields stronger than this level." [Kouveliotou] | ||
| − | + | Refs: | |
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| − | + | Kouveliotou, C., Duncan, R. C. Thompson, C. "Magnetars", Scientific American, Feb. 2003 http://solomon.as.utexas.edu/~duncan/sciam.pdf | |
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link to Duncan's website: solomon.as.utexas.edu/magnetar.html | link to Duncan's website: solomon.as.utexas.edu/magnetar.html | ||
Revision as of 10:17, 19 April 2007
Earth: 5 x 10^-5 T
Sun: 5 x 10^-3 T nasa web site ref: http://science.nasa.gov/headlines/y2001/ast15feb_1.htm
Refrigerator magnet: 5 x 10^-3 T
Neodynium rare-earth magnet: 1 T
Typical Hospital MRI: 2-3 T
Functional MRI: 4 T
Experimental Human MRI: 8.4 T [REF]
Experimental Animal MRI: 11 - 20 T [REF]
Largest continuous man-made magnet: 45 T [Ref FSU magnet lab}
Neutron Stars: 10^8 T [Kouveliotou]
Fields above 10^5 T squeeze elecron orbitals in to cigar shapes
Magnetars: 10^11 T [Kouveliotou]
Upper Limit: 10^13 T "No known objects in the universe can generate and maintain fields stronger than this level." [Kouveliotou]
Refs:
Kouveliotou, C., Duncan, R. C. Thompson, C. "Magnetars", Scientific American, Feb. 2003 http://solomon.as.utexas.edu/~duncan/sciam.pdf
link to Duncan's website: solomon.as.utexas.edu/magnetar.html