|Submitted to Physical Review B|
J. Arriaga, A.J. Ward and J.B. Pendry
We show, for the first time, how to calculate photonic band structures for metals and other dispersive systems using an efficient Order N scheme. The method is applied to two simple periodic metallic systems where it gives results in close agreement with calculations made with other techniques. Further, the approach demonstrates excellent numerical stablity within the limits we give. Our new method opens the way for efficient calculations on complex structures containing a whole new class of material.
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last updated Wed Apr 28 14:33 bst 1999 by RAE