Zobrazeno 1 - 10
of 148
pro vyhledávání: '"Kendon, Viv"'
Autor:
Gerblich, Lasse, Dasanjh, Tamanna, Wong, Horatio Q. X., Ross, David, Novo, Leonardo, Chancellor, Nicholas, Kendon, Viv
Methods to find the solution state for optimization problems encoded into Ising Hamiltonians are a very active area of current research. In this work we compare the quantum approximate optimization algorithm (QAOA) with multi-stage quantum walks (MSQ
Externí odkaz:
http://arxiv.org/abs/2407.06663
Publikováno v:
Eur. Phys. J. D 78, 29 (2024)
The rapid development of quantum computing has led to increasing interest in quantum algorithms for a variety of different applications. Quantum walks have also experienced a surge in interest due to their potential use in quantum algorithms. Using t
Externí odkaz:
http://arxiv.org/abs/2307.11027
Publikováno v:
Phys. Rev. Research 5, 023151 (2023)
An algorithm for a particular problem may find some instances of the problem easier and others harder to solve, even for a fixed input size. We numerically analyse the relative hardness of MAX 2-SAT problem instances for various continuous-time quant
Externí odkaz:
http://arxiv.org/abs/2206.06876
Publikováno v:
Quantum Sci. Technol. 8 035031 (2023)
In the quantum optimisation setting, we build on a scheme introduced by Young et al [PRA 88, 062314, 2013], where physical qubits in multiple copies of a problem encoded into an Ising spin Hamiltonian are linked together to increase the logical syste
Externí odkaz:
http://arxiv.org/abs/2206.02545
The controlled SWAP test for detecting and quantifying entanglement applied to pure qubit states is robust to small errors in the states, and efficient for large multi-qubit states [Foulds et al., QST 6 035002, 2021]. We extend this, and the related
Externí odkaz:
http://arxiv.org/abs/2112.04333
Publikováno v:
Quantum Sci. Technol. 6, 035002 (2021)
Quantum entanglement is essential to the development of quantum computation, communications, and technology. The controlled SWAP test, widely used for state comparison, can be adapted to an efficient and useful test for entanglement of a pure state.
Externí odkaz:
http://arxiv.org/abs/2009.07613
Autor:
Chancellor, Nicholas, Kendon, Viv
Publikováno v:
Phys. Rev. A 104, 012604 (2021)
We construct an Ising Hamiltonian with an engineered energy landscape such that it has a local energy minimum which is near to the true global minimum solution, and further away from a false minimum. Using a technique established in previous experime
Externí odkaz:
http://arxiv.org/abs/2008.11054
Autor:
Callison, Adam, Festenstein, Max, Chen, Jie, Nita, Laurentiu, Kendon, Viv, Chancellor, Nicholas
Publikováno v:
PRX Quantum 2, 010338 (2021)
There are well developed theoretical tools to analyse how quantum dynamics can solve computational problems by varying Hamiltonian parameters slowly, near the adiabatic limit. On the other hand, there are relatively few tools to understand the opposi
Externí odkaz:
http://arxiv.org/abs/2007.11599
We present a quantum computing algorithm for the smoothed particle hydrodynamics (SPH) method. We use a normalization procedure to encode the SPH operators and domain discretization in a quantum register. We then perform the SPH summation via an inne
Externí odkaz:
http://arxiv.org/abs/2006.06719
Autor:
Kendon, Viv
Publikováno v:
EPTCS 315, 2020, pp. 1-17
Quantum walks are widely and successfully used to model diverse physical processes. This leads to computation of the models, to explore their properties. Quantum walks have also been shown to be universal for quantum computing. This is a more subtle
Externí odkaz:
http://arxiv.org/abs/2004.01329