Difference between revisions of "Strong Magnetic Fields"
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| − | + | *5 x 10^-5 T: Earth | |
| − | + | *5 x 10^-3 T: Sun; see NASA web site ref: http://science.nasa.gov/headlines/y2001/ast15feb_1.htm | |
| − | + | *5 x 10^-3 T: Refrigerator magnet | |
| − | Neodynium rare-earth magnet: 1 T | + | *1 T: Neodynium rare-earth magnet: 1 T |
| − | + | *2-3 T: Typical Hospital MRI | |
| − | Functional MRI | + | *4 T: Functional MRI |
| − | + | *8.4 T: Experimental Human MRI [REF] | |
| − | Experimental Animal MRI | + | *11-21 T: Experimental Animal MRI |
| − | + | :11.7 T used for animal MRI: Beck et al, PMID 11755090 | |
| − | + | :21.1 T used for animal MRI: Fu et al. PMID 16125429 | |
| − | + | *45 T: Largest continuous man-made magnet [Ref FSU magnet lab} | |
| − | + | *10^8 T: Neutron Stars [Kouveliotou] | |
| − | + | :''Fields above 10^5 T squeeze elecron orbitals in to cigar shapes'' | |
| − | + | *10^11 T: Magnetars [Kouveliotou] | |
| + | |||
| + | *10^13 T: Upper Limit | ||
| + | |||
| + | :"No known objects in the universe can generate and maintain fields stronger than this level." [Kouveliotou] | ||
| + | |||
| + | '''References:''' | ||
Kouveliotou, C., Duncan, R. C. Thompson, C. "Magnetars", Scientific American, Feb. 2003 http://solomon.as.utexas.edu/~duncan/sciam.pdf | 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 | link to Duncan's website: solomon.as.utexas.edu/magnetar.html | ||
Revision as of 12:00, 25 May 2007
- 5 x 10^-5 T: Earth
- 5 x 10^-3 T: Sun; see NASA web site ref: http://science.nasa.gov/headlines/y2001/ast15feb_1.htm
- 5 x 10^-3 T: Refrigerator magnet
- 1 T: Neodynium rare-earth magnet: 1 T
- 2-3 T: Typical Hospital MRI
- 4 T: Functional MRI
- 8.4 T: Experimental Human MRI [REF]
- 11-21 T: Experimental Animal MRI
- 11.7 T used for animal MRI: Beck et al, PMID 11755090
- 21.1 T used for animal MRI: Fu et al. PMID 16125429
- 45 T: Largest continuous man-made magnet [Ref FSU magnet lab}
- 10^8 T: Neutron Stars [Kouveliotou]
- Fields above 10^5 T squeeze elecron orbitals in to cigar shapes
- 10^11 T: Magnetars [Kouveliotou]
- 10^13 T: Upper Limit
- "No known objects in the universe can generate and maintain fields stronger than this level." [Kouveliotou]
References:
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