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Holographic quantum codes with trapped ions
Alex Steiner, Gerard Anglès Munné, Robert Freund +9
Holography is a central concept at the intersection of gravity, condensed matter theory, and quantum information, linking the interior bulk of a system to its boundary. A model rea…
Recovery Algorithm for Correlated Errors in Permutation-Invariant Quantum Codes
Omprakash Chandra, Yingkai Ouyang, Gopikrishnan Muraleedharan +1
Quantum Error Recovery (QER) uses knowledge of the error channel acting on a quantum system to find optimal recovery maps. The scheme restores the uncorrupted state with a fidelity…
A quantum algorithm for one-shot signatures
Gopikrishnan Muraleedharan, Minh Thuy Truc Pham, Vir Pathak +4
We provide a pre-obfuscation circuit-level implementation of an efficient one shot signature scheme, which has known applications to delegated signatures, secured token transfer, a…
Quantum algorithm for solving differential equations using SLAC derivatives
Rakshit M. Gharat, Gopikrishnan Muraleedharan, Dominic W. Berry +1
In numerical approaches to solving differential equations on a lattice, a representation of the derivative operator that correctly matches the continuum behaviour of functions of m…
Loss-biased fault-tolerant quantum error correction
Laura Pecorari, Gavin K. Brennen, Stanimir S. Kondov +1
We investigate the limits of quantum error correction (QEC) in neutral-atom processors approaching high-fidelity gates and fast cycle times. We show that shorter QEC cycles amplify…
Answering Counting Queries with Differential Privacy on a Quantum Computer
Arghya Mukherjee, Hassan Jameel Asghar, Gavin K. Brennen
Differential privacy is a mathematical notion of data privacy that has fast become the de facto standard in privacy-preserving data analysis. Recently a lot of work has focused on…