نتایج جستجو برای: birefringence

تعداد نتایج: 4097  

2002
MATTHEW MEWES

In this talk presented at the Fourth International Workshop on New Worlds in Astroparticle Physics, I discuss recent constraints on Lorentz violation in electrodynamics. The observed absence of birefringence of light that has propagated over cosmological distances bounds some coefficients for Lorentz violation to 2× 10.

2008
Alexander B. Balakin Winfried Zimdahl

The material tensor of linear response in electrodynamics is constructed out of products of two symmetric second rank tensor fields which in the approximation of geometrical optics and for uniaxial symmetry reduce to “optical” metrics, describing the phenomenon of birefringence. This representation is interpreted in the context of an underlying internal geometrical structure according to which ...

Journal: :Physical chemistry chemical physics : PCCP 2009
Dmitry Shcherbin Andreas J Thorvaldsen Kenneth Ruud Sonia Coriani Antonio Rizzo

We present the results of the first gauge-origin independent calculations, carried out at Hartree-Fock level, of the molecular parameters that describe the electric-field-induced linear birefringence, also known as Buckingham birefringence. Focus is in particular on the temperature-independent contribution to the observable. We employ a recently developed analytical scheme for calculating frequ...

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