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quant-ph2014★ 42 cited
Scalable reconstruction of unitary processes and Hamiltonians
M. Holzäpfel, T. Baumgratz, M. Cramer +1
Based on recently introduced efficient quantum state tomography schemes, we propose a scalable method for the tomography of unitary processes and the reconstruction of one-dimensio…
quant-ph2014★ 28 cited
Entanglement area law from specific heat capacity
Fernando G. S. L. Brandao, Marcus Cramer
We study the scaling of entanglement in low-energy states of quantum many-body models on lattices of arbitrary dimensions. We allow for unbounded Hamiltonians such that systems wit…