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gauge invariance |
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gauge invariance [′gāj in′ver·ē·əns] (electromagnetism) The invariance of electric and magnetic fields and electrodynamic interactions under gauge transformations. (physics) The invariance of any field theory under gauge transformations. (quantum mechanics) An invariance of a Lagrangian based on an internal gauge group, such as U(1) for electromagnetism or U(1) × SU(2) for the Weinberg-Salam unified model of weak and electromagnetic interactions. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Skoric, (Mis-)handling Gauge Invariance in the Theory of the Quantum Hall Effect. |
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