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Klaiv Mertiri

Publications and source records attributed to Klaiv Mertiri.

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Five-terminal quantized transconductance originating from symmetric quantum fluctuations

We consider the renormalization of transport in a quantum contact by the external electromagnetic environment and show that weak quantum fluctuations from a symmetric environment can lead to a quantized transconductance in five-terminal contacts. This mechanism does not work for fewer terminals. We present an implementation of the environment and investigate several example quantum contacts where the quantization takes place.

cond-mat.mes-hall

Quantized transconductance emerges from non-symmetric quantum fluctuations: theoretical prediction

We show theoretically that weak quantum fluctuations induced by a non-symmetric electromagnetic environment may lead to a quantized transconductance of a multi-terminal quantum contact rather than to a blockade of transport in the contact. The result suggests the possibility to realize Quantum Hall phenomenology without its common ingredients and/or a topological quantum state.

cond-mat.mes-hall