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Paper detail

Enhanced Probing of Fermion Interaction Using Weak Value Amplification

We propose a scheme for enhanced probing of an interaction between two single fermions based on weak-value amplification. The scheme is applied to measuring the anisotropic electron-hole exchange interaction strength in semiconductor quantum dots, where both spin and energy are mapped onto emitted photons. We study the effect of dephasing of the probe on the weak-value-enhanced measurement. We find that in the limit of slow noise, weak-value amplification provides a unique tool for enhanced-precision measurement of few-fermion systems.

preprint2013arXivOpen access
Alex HayatAmir FeizpourAephraim M. Steinberg
cond-mat.mes-hallquant-ph
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Alex HayatAmir FeizpourAephraim M. Steinberg

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