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Open Quantum Systems Decoherence

The geometry of drums

arXiv

Authors: Koen Thas

Year

2017

Paper ID

24538

Status

Preprint

Abstract Read

~2 min

Abstract Words

114

Citations

N/A

Abstract

We introduce the new concept of D-geometry (or "drum geometry"), which has been recently discovered by the author in \cite{KT-DRUMS} when constructing and classifying isospectral and length equivalent drums under certain constraints. We will show that any pair of length equivalent domains, and in particular any pair of isospectral domains (which makes one unable to "hear the shape of drums") which is constructed by the famous Gassmann-Sunada method, naturally defines a D-geometry, and that each D-geometry gives rise to such domains. One goal of this letter is to show that in the present theory of isospectral and length equivalent drums, many examples are controlled by finite geometrical phenomena in a very precise sense.

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We introduce the new concept of D-geometry (or "drum geometry"), which has been recently discovered by the author in citeKT-DRUMS when constructing and classifying isospectral...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1712.05448 [2] arXiv https://arxiv.org/abs/1712.05448 [3] Publisher https://arxiv.org/abs/1712.05448

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