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Half the entanglement in critical systems is distillable from a single specimen
R. Orus, J. I. Latorre, J. Eisert +1
We establish that the leading critical scaling of the single-copy entanglement is exactly one half of the entropy of entanglement of a block in critical infinite spin chains in a g…
Simulation of many-qubit quantum computation with matrix product states
M. C. Banuls, R. Orus, J. I. Latorre +2
Matrix product states provide a natural entanglement basis to represent a quantum register and operate quantum gates on it. This scheme can be materialized to simulate a quantum ad…
Two Slightly-Entangled NP-Complete Problems
Roman Orus
We perform a mathematical analysis of the classical computational complexity of two genuine quantum-mechanical problems, which are inspired in the calculation of the expected magne…
Entanglement and majorization in (1+1)-dimensional quantum systems
Roman Orus
Motivated by the idea of entanglement loss along Renormalization Group flows, analytical majorization relations are proven for the ground state of (1+1)-dimensional conformal field…