Shavkat Nizamov wrote:
> Surprisingly, some times the call of
> field_energy_in_box(Ey, self.vol.surroundings())
> results in negative values. I wonder, what does this mean ?
I suspect a non-optimal calculation of energy, see e.g.
Power loss and electromagnetic energy density
in a dispersive metamaterial medium
Phys. Rev. E 80, 046601 (2009)
Pi-Gang Luan
http://link.aps.org/doi/10.1103/PhysRevE.80.046601
--
---------------------------------+---------------------------------
Dr. Paul Kinsler
Blackett Laboratory (Photonics) (ph) +44-20-759-47734 (fax) 47714
Imperial College London, dr.paul.kins...@physics.org
SW7 2AZ, United Kingdom. http://www.qols.ph.ic.ac.uk/~kinsle/
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