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Noncontact measurement of nerve displacement during action potential with a dual-beam low-coherence interferometer

Christopher Fang-Yen1, Mark C Chu, H Sebastian Seung

  • 1G. R. Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. minwah@mit.edu

Optics Letters
|October 1, 2004
PubMed

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Displacement Current01:19

Displacement Current

Ampère's law, in its usual form, does not work in places where the current changes with time and is not steady. Thus, Maxwell suggested including an additional contribution, called the displacement current, Id, to the real conduction current I.