672 citations
- Michael Walter2 profiles24 · h 30
- Ludovico Lami23 · h 29
- F. Speelman16 · h 13
- J. Helsen2 profiles16 · h 18
- R. Gerritsma5 profiles16 · h 16
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- University of AmsterdamNL195 papers
- Centrum Wiskunde & InformaticaNL123 papers
- Institute for Theoretical Physics AmsterdamNL38 papers
- Institute of PhysicsPL26 papers
- Delft University of TechnologyNL25 papers
- QuTechNL21 papers
- University of CopenhagenDK21 papers
- Ruhr University BochumDE17 papers
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- Stanford UniversityUS13 papers
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- University of Maryland, College ParkUS12 papers
15 papers · 2 filters
A converse to Lieb-Robinson bounds in one dimension using index theory
Daniel Ranard, Michael Walter, Freek Witteveen
Unitary dynamics with a strict causal cone (or "light cone") have been studied extensively, under the name of quantum cellular automata (QCAs). In particular, QCAs in one dimension…
Matchgate benchmarking: Scalable benchmarking of a continuous family of many-qubit gates
Jonas Helsen, Sepehr Nezami, Matthew Reagor +1
We propose a method to reliably and efficiently extract the fidelity of many-qubit quantum circuits composed of continuously parametrized two-qubit gates called matchgates. This me…
Tight adaptive reprogramming in the QROM
Alex B. Grilo, Kathrin Hövelmanns, Andreas Hülsing +1
The random oracle model (ROM) enjoys widespread popularity, mostly because it tends to allow for tight and conceptually simple proofs where provable security in the standard model…
Protocols for creating and distilling multipartite GHZ states with Bell pairs
Sébastian de Bone, Runsheng Ouyang, Kenneth Goodenough +1
The distribution of high-quality Greenberger-Horne-Zeilinger (GHZ) states is at the heart of many quantum communication tasks, ranging from extending the baseline of telescopes to…
A high-fidelity method for a single-step -bit Toffoli gate in trapped ions
Juan Diego Arias Espinoza, Koen Groenland, Matteo Mazzanti +2
Conditional multi-qubit gates are a key component for elaborate quantum algorithms. In a recent work, Rasmussen et al. (Phys. Rev. A 101, 022308) proposed an efficient single-step…
Fundamental limitations to key distillation from Gaussian states with Gaussian operations
Ludovico Lami, Ladislav Mišta, Gerardo Adesso
We establish fundamental upper bounds on the amount of secret key that can be extracted from quantum Gaussian states by using only local Gaussian operations, local classical proces…