basic_notions:charge
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| - | ====== Charge ====== | ||
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| - | <tabbox Why is it interesting?> | ||
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| - | <tabbox Layman> | ||
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| - | <note tip> | ||
| - | Explanations in this section should contain no formulas, but instead colloquial things like you would hear them during a coffee break or at a cocktail party. | ||
| - | </note> | ||
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| - | <tabbox Student> | ||
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| - | <note tip> | ||
| - | In this section things should be explained by analogy and with pictures and, if necessary, some formulas. | ||
| - | </note> | ||
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| - | <tabbox Researcher> | ||
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| - | <blockquote> A particular problem is the | ||
| - | occurrence of "charged" particles, i.e. **particles which are separated from, | ||
| - | the vacuum by some [[advanced_notions:superselection_rule]]**, the classical example being particles | ||
| - | with half integer spin [1]. By the very definition of superselection | ||
| - | rules there cannot exist an observable field which generates states of such | ||
| - | a particle out of the vacuum.<cite>[[http://inspirehep.net/record/221908|Particle Structure of Gauge Theories]] | ||
| - | by K. Fredenhagen</cite> </blockquote> | ||
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| - | <tabbox Examples> | ||
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| - | --> Example1# | ||
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| - | |||
| - | <-- | ||
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| - | --> Example2:# | ||
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| - | |||
| - | <-- | ||
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| - | <tabbox FAQ> | ||
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| - | <tabbox History> | ||
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| - | </tabbox> | ||
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basic_notions/charge.1512370870.txt.gz ยท Last modified: 2017/12/04 07:01 (external edit)
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