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Paper detail

Process Tomography for Systems in a Thermal State

We propose a new method for implementing process tomography that is based on the information extracted from temporal correlations between observables, rather than on state preparation and state tomography. As such, the approach is applicable to systems that are in a mixed state, and in particular to thermal states. We illustrate the method for an arbitrary evolution described by Kraus operators, as well as for simpler cases such as a general Gaussian channels, and qubit dynamics.

preprint2013arXivOpen access
Ran BerShmuel MarcovitchOded KennethBenni Reznik
quant-ph
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Ran BerShmuel MarcovitchOded KennethBenni Reznik

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