- GSI Helmholtz Centre for Heavy Ion ResearchDE1k papers
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7 papers · 2 filters
Random Oracles in a Quantum World
Dan Boneh, Özgür Dagdelen, Marc Fischlin +3
The interest in post-quantum cryptography - classical systems that remain secure in the presence of a quantum adversary - has generated elegant proposals for new cryptosystems. Som…
One-Shot Classical Data Compression with Quantum Side Information and the Distillation of Common Randomness or Secret Keys
Joseph M. Renes, Renato Renner
The task of compressing classical information in the one-shot scenario is studied in the setting where the decompressor additionally has access to some given quantum side informati…
Quantum computational renormalization in the Haldane phase
Stephen D. Bartlett, Gavin K. Brennen, Akimasa Miyake +1
Single-spin measurements on the ground state of an interacting spin lattice can be used to perform a quantum computation. We show how such measurements can mimic renormalization gr…
Approximate Quantum Error Correction via Complementary Observables
Joseph M. Renes
The breakthrough of quantum error correction brought with it the picture of quantum information as a sort of combination of two complementary types of classical information, "ampli…
Duality of privacy amplification against quantum adversaries and data compression with quantum side information
Joseph M. Renes
We show that the tasks of privacy amplification against quantum adversaries and data compression with quantum side information are dual in the sense that the ability to perform one…
Quantum discord for two-qubit X-states
Mazhar Ali, A. R. P. Rau, Gernot Alber
Quantum discord, a kind of quantum correlation, is defined as the difference between quantum mutual information and classical correlation in a bipartite system. In general, this co…