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19962026
most citedAn Overview of Signal Processing Techniques for RIS/IRS-aided Wireless Systems

792 citations

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15 papers · 1 filter

astro-ph.IM2026

Identification of gravitational lenses obscured by foreground light in the KiDS dataset using U-Nets and ResNets

S. Liu, Rui Li, J. Jia +13

*Context.* Many lensing images are often obscured by foreground light from the central galaxies, making them challenging to detect. *Aims.* To address the limitations of previous l…

quant-ph2026★ 7 cited

Negative refraction with low absorption using EIT in a four-level left-handed atomic system

Shun-Cai Zhao, Zheng-Dong Liu, Gen Li +1

We suggest a scheme for obtaining negative refraction with low absorption in a left-handed atomic system.Under the the appropriate conditions,the atomic system displays negative re…

quant-ph2026★ 9 cited

Left handness in a four-level atomic system

Shuncai Zhao, Zhengdong Liu

A scheme is proposed for realizing simultaneous negative permittivity and negative permeability based on quantum coherence in a four-level dense atomic system here.Under some param…

quant-ph2026★ 7 cited

Coherence dynamics in quantum algorithm for linear systems of equations

Linlin Ye, Zhaoqi Wu, Shao-Ming Fei

Quantum coherence is a fundamental issue in quantum mechanics and quantum information processing. We explore the coherence dynamics of the evolved states in HHL quantum algorithm f…

quant-ph2026★ 10 cited

Tsallis relative entropy of coherence dynamics in Grover's search algorithm

Linlin Ye, Zhaoqi Wu, Shao-Ming Fei

Quantum coherence plays a central role in Grover's search algorithm. We study the Tsallis relative entropy of coherence dynamics of the evolved state in Grover's search algorit…

quant-ph2026★ 3 cited

Coherence and entanglement dynamics in Shor's algorithm

Linlin Ye, Zhaoqi Wu, Shao-Ming Fei

Shor's algorithm outperforms its classical counterpart in efficient prime factorization. We explore the coherence and entanglement dynamics of the evolved states within Shor's algo…