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Efficient realization of quantum algorithms with qudits
The development of a universal fault-tolerant quantum computer that can solve efficiently various difficult computational problems is an outstanding...
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Variational quantum algorithms: fundamental concepts, applications and challenges
Quantum computing is a new discipline combining quantum mechanics and computer science, which is expected to solve technical problems that are...
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A benchmarking study of quantum algorithms for combinatorial optimization
We study the performance scaling of three quantum algorithms for combinatorial optimization: measurement-feedback coherent Ising machines (MFB-CIM),...
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Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation
Quantum computing is a game-changing technology for global academia, research centers and industries including computational science, mathematics,...
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Experimental demonstration of deterministic quantum search algorithms on a programmable silicon photonic chip
The Grover quantum search algorithm is a landmark quantum computing application, which has a speed advantage over classical algorithms for searching...
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Quantum algorithms to compute the neighbour list of N-body simulations
One of the strategies to reduce the complexity of N -body simulations is the computation of the neighbour list. However, this list needs to be updated...
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Quantum greedy algorithms for multi-armed bandits
Multi-armed bandits are widely used in machine learning applications such as recommendation systems. Here, we implement two quantum versions of the
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Quantum-inspired classical algorithms for molecular vibronic spectra
Plausible claims for quantum advantage have been made using sampling problems such as random circuit sampling in superconducting qubit devices, and...
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Quantum Algorithms
In this chapter, we explore several elementary examples of quantum algorithms that efficiently solve problems that are known to be exponentially hard...
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Error mitigation using quantum neural Q network in secure qutrit distribution on Cleve's protocol on quantum computing
This article explores the critical aspect of error mitigation within quantum systems, particularly its significance in enabling secure qutrit...
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Quantum Key Distribution in Access Networks
This chapter presents a literature survey of data security in optical fiber networks. The evolution of data security in optical fibers starts from...
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A survey on quantum data mining algorithms: challenges, advances and future directions
Data mining has reached a state that is difficult to break through, while the scale of data is growing rapidly, due to the lack of traditional...
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A hybrid integrated quantum key distribution transceiver chip
Quantum photonic technologies, such as quantum key distribution, are already benefiting greatly from the rise of integrated photonics. However, the...
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Jensen-Shannon Divergence of Quantum Hashing Algorithms Based on Quantum Walk
A hashing algorithm is typically a “black box” that garbles input data and makes it unreadable. Hashing algorithms are one-way programs....
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Parameter optimization in decoy-state phase-matching quantum key distribution
The phase-matching quantum key distribution (PM-QKD) protocol has been widely researched since it was proposed. In this paper, the performance of...
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Quantum Algorithms for Charged Particle Track Reconstruction in the LUXE Experiment
The LUXE experiment is a new experiment in planning in Hamburg, which will study quantum electrodynamics at the strong-field frontier. LUXE intends...
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Simulation of an entanglement-based quantum key distribution protocol
Since the 80 s when it was first proposed, Quantum Key Distribution (QKD) elicited great interest in the field of cryptography as a unique procedure...
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Security of quantum key distribution with virtual mutually unbiased bases
In a perfect quantum key distribution (QKD) protocol, quantum states should be prepared and measured with mutually unbiased bases (MUBs). However, in...
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Vector—towards quantum key distribution with small satellites
A satellite-constellation based global quantum network could allow secure quantum communication between remote users worldwide. Such a constellation...
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Quantum vs. Classical Algorithms for Solving the Heat Equation
Quantum computers are predicted to outperform classical ones for solving partial differential equations, perhaps exponentially. Here we consider a...