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31 papers · 2 filters
A 3D lattice defect and efficient computations in topological MBQC
Gabrielle Tournaire, Marvin Schwiering, Robert Raussendorf +1
We describe an efficient, fully fault-tolerant implementation of Measurement-Based Quantum Computation (MBQC) in the 3D cluster state. The two key novelties are (i) the introductio…
Quantum Metrology for Gravitational Wave Astronomy
Roman Schnabel, Nergis Mavalvala, David E. McClelland +1
Einstein's General Theory of Relativity predicts that accelerating mass distributions produce gravitational radiation, analogous to electromagnetic radiation from accelerating char…
Characterising memory in quantum channel discrimination via constrained separability problems
Ties-A. Ohst, Shijun Zhang, Hai Chau Nguyen +2
Quantum memories are a crucial precondition in many protocols for processing quantum information. A fundamental problem that illustrates this statement is given by the task of chan…
Detection of 15 dB Squeezed States of Light and their Application for the Absolute Calibration of Photoelectric Quantum Efficiency
Henning Vahlbruch, Moritz Mehmet, Karsten Danzmann +1
Squeezed states of light belong to the most prominent nonclassical resources. They have compelling applications in metrology, which has been demonstrated by their routine exploitat…
Quantum tree generator improves QAOA state-of-the-art for the knapsack problem
Paul Christiansen, Lennart Binkowski, Debora Ramacciotti +1
This paper introduces a novel approach to the Quantum Approximate Optimization Algorithm (QAOA), specifically tailored to the knapsack problem. We combine the recently proposed qua…
An algebraic interpretation of Pauli flow, leading to faster flow-finding algorithms
Piotr Mitosek, Miriam Backens
The one-way model of quantum computation is an alternative to the circuit model. A one-way computation is driven entirely by successive adaptive measurements of a pre-prepared enta…