Shot noise and transport in small quantum cavities with large openings

Nazmitdinov, R. G.; Sim, H. S.; Schomerus, H.; Rotter, I.

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Shot noise and transport in small quantum cavities with large openings

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Nazmitdinov, R. G.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Sim, H. S.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Schomerus, H.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Rotter, I.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Nazmitdinov, R. G., Sim, H. S., Schomerus, H., & Rotter, I. (2002). Shot noise and transport in small quantum cavities with large openings. Physical Review B, 66(24): 241302. Retrieved from http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRBMDO000066000024241302000001&idtype=cvips&gifs=yes.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-367C-E

Abstract

We present a dynamical analysis of the transport through small quantum cavities with large openings. The systematic suppression of shot noise is used to distinguish direct, deterministic from indirect, indeterministic transport processes. The analysis is based on quantum mechanical calculations of S matrices and their poles for quantum billiards with convex boundaries of different shape and two open channels in each of the two attached leads. Direct processes are supported when special states couple strongly to the leads, and can result in deterministic transport as signified by a striking system-specific suppression of shot noise.