Probing magnetochirality |
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Authors: | Rupamanjari Ghosh |
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Institution: | (1) School of Physical Sciences, Jawaharlal Nehru University, 110 067 New Delhi, India |
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Abstract: | Magnetochiral anisotropy refers to the phenomenon that when light is passed through a chiral medium placed in an external
magnetic field, the refractive index, or equivalently, the absorption encountered by the light differs depending on whether
it travels parallel or antiparallel to the magnetic field. It is a very small effect, the change in refractive index because
of this effect alone being of the order of 10−11. This effect has recently been measured in an active ring laser interferometer in which the detection scheme convincingly
eliminates the contributions from natural optical activity, the Faraday effect and other stray anisotropies in the system.
The phenomenon is important in the context of fundamental interactions between light and matter and the governing symmetry
principles, and also in biochemistry as one possible explanation for the homochriality of life.
An erratum to this article is available at . |
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Keywords: | Magnetochirality optical activity active interferometry ring laser |
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