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A prototype of quantum von Neumann architecture
DS Wang - Communications in Theoretical Physics, 2022 - iopscience.iop.org
A modern computer system, based on the von Neumann architecture, is a complicated
system with several interactive modular parts. It requires a thorough understanding of the …
system with several interactive modular parts. It requires a thorough understanding of the …
Programmability of covariant quantum channels
A programmable quantum processor uses the states of a program register to specify one
element of a set of quantum channels which is applied to an input register. It is well-known …
element of a set of quantum channels which is applied to an input register. It is well-known …
Quantum circuit simulation of superchannels
K Wang, DS Wang - New Journal of Physics, 2023 - iopscience.iop.org
Quantum simulation is one of the central discipline to demonstrate the power of quantum
computing. In recent years, the theoretical framework of quantum superchannels has been …
computing. In recent years, the theoretical framework of quantum superchannels has been …
[HTML][HTML] A survey of universal quantum von Neumann architecture
YT Liu, K Wang, YD Liu, DS Wang - Entropy, 2023 - mdpi.com
The existence of universal quantum computers has been theoretically well established.
However, building up a real quantum computer system not only relies on the theory of …
However, building up a real quantum computer system not only relies on the theory of …
Experimental simulation of quantum superchannels
H Li, K Wang, S Wei, F Yang, X Chen… - New Journal of …, 2024 - iopscience.iop.org
Simulating quantum physical processes has been one of the major motivations for quantum
information science. Quantum channels, which are completely positive and trace preserving …
information science. Quantum channels, which are completely positive and trace preserving …
A family of quantum von Neumann architecture
DS Wang - Chinese Physics B, 2024 - iopscience.iop.org
We develop universal quantum computing models that form a family of quantum von
Neumann architectures, with modular units of memory, control, CPU, and internet, besides …
Neumann architectures, with modular units of memory, control, CPU, and internet, besides …
Persistent Ballistic Entanglement Spreading with Optimal Control in Quantum Spin Chains
Y Lu, P Shi, XH Wang, J Hu, SJ Ran - Physical Review Letters, 2024 - APS
Entanglement propagation provides a key routine to understand quantum many-body
dynamics in and out of equilibrium. Entanglement entropy (EE) usually approaches to a …
dynamics in and out of equilibrium. Entanglement entropy (EE) usually approaches to a …
On quantum channel capacities: an additive refinement
DS Wang - arxiv preprint arxiv:2205.07205, 2022 - arxiv.org
Capacities of quantum channels are fundamental quantities in the theory of quantum
information. A desirable property is the additivity for a capacity. However, this cannot be …
information. A desirable property is the additivity for a capacity. However, this cannot be …
Programmable Quantum Processors
MM Gschwendtner - 2021 - mediatum.ub.tum.de
Programmierbare Quantenprozessoren stellen ein fundamentales Modell für
Quantencomputing dar. Als solches implementieren sie Quantenkanäle mittels eines …
Quantencomputing dar. Als solches implementieren sie Quantenkanäle mittels eines …
[CITATION][C] A prototypical model of universal quantum computer system
DS Wang - arxiv e-prints, 2021