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quant-ph2017★ 23 cited
Estimation of gradients in quantum metrology
Sanah Altenburg, Michał Oszmaniec, Sabine Wölk +1
We develop a general theory to estimate magnetic field gradients in quantum metrology. We consider a system of particles distributed on a line whose internal degrees of freedom…
quant-ph2016★ 14 cited
Optimized parameter estimation in the presence of collective phase noise
Sanah Altenburg, Sabine Wölk, Geza Toth +1
We investigate phase and frequency estimation with different measurement strategies under the effect of collective phase noise. First, we consider the standard linear estimation sc…