Showing 20 of 501 academic articles
He Shanshan, Wang Ruisi, Luo Hailu • Nanophotonics
(2022)
Computing metasurfaces are two-dimensional artificial nanostructures capable of performing mathematical operations on the input electromagnetic field, including its amplitude, phase, polarization, and frequency distributions. Rapid progress...
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Open Access (DOAJ)
DOI: 10.1515/nanoph-2021-0823
Tanuwijaya Randy Stefan, Liang Hong, Xi Jiawei, Wong Wai Chun et al. • Nanophotonics
(2024)
Metasurfaces have recently opened up applications in the quantum regime, including quantum tomography and the generation of quantum entangled states. With their capability to store a vast amount of information by utilizing the various geome...
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Open Access (DOAJ)
DOI: 10.1515/nanoph-2023-0844
Chen Zhao, Xiao-Shan Gao • Quantum
(2021)
In this paper, we propose a general scheme to analyze the gradient vanishing phenomenon, also known as the barren plateau phenomenon, in training quantum neural networks with the ZX-calculus. More precisely, we extend the barren plateaus th...
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Open Access (DOAJ)
DOI: 10.22331/q-2021-06-04-466
Shihui Zhang, Zibo Miao, Yu Pan, Sibo Tao et al. • npj Quantum Information
(2025)
Abstract Achieving high-fidelity quantum gates is crucial for reliable quantum computing. However, decoherence and control pulse imperfections pose significant challenges in realizing the theoretical fidelity of quantum gates in practical s...
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Open Access (DOAJ)
DOI: 10.1038/s41534-025-01034-9
Xiangyu Li, Xiaolong Yin, Nathan Wiebe, Jaehun Chun et al. • Physical Review Research
(2025)
Numerical simulation of turbulent fluid dynamics needs to either parametrize turbulence—which introduces large uncertainties—or explicitly resolve the smallest scales—which is prohibitively expensive. Here, we provide evidence through analy...
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Open Access (DOAJ)
DOI: 10.1103/PhysRevResearch.7.013036
Tim Bauer, Francesco Buccheri, Alessandro De Martino, Reinhold Egger • Physical Review Research
(2024)
For a Weyl semimetal (WSM) in a magnetic field, a semiclassical description of the Fermi-arc surface state dynamics is usually employed for explaining various unconventional magnetotransport phenomena, e.g., Weyl orbits, the three-dimension...
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Open Access (DOAJ)
DOI: 10.1103/PhysRevResearch.6.043201
Babu Ram Sankhi, Erwan Peigney, Hayden Brown, Pius Suh et al. • AIP Advances
(2025)
Single-molecule magnets (SMMs) are pivotal in molecular spintronics, showing unique quantum behaviors that can advance spin-based technologies. By incorporating SMMs into magnetic tunnel junctions (MTJs), new possibilities emerge for low-po...
DOAJ
Open Access (DOAJ)
DOI: 10.1063/9.0000868
Jonte R Hance • Journal of Physics Communications
(2024)
We show that the ability to consider counterfactual situations is a necessary assumption of Bell’s theorem, and that, to allow Bell inequality violations while maintaining all other assumptions, we just require certain measurement choices b...
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Open Access (DOAJ)
DOI: 10.1088/2399-6528/ad9b6d
Zihni Kaan Baykara, Daniel Robbins, Savdeep Sethi • SciPost Physics
(2023)
We construct non-supersymmetric $AdS_3$ solutions of the $\mathrm O(16)× \mathrm O(16)$ heterotic string. Most of the backgrounds have a classical worldsheet definition but are quantum string vacua in the sense that string loop corrections ...
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Open Access (DOAJ)
DOI: 10.21468/SciPostPhys.15.6.224
Jun Yang, James Brown, James Daniel Whitfield • Frontiers in Physics
(2021)
Quantum algorithms are touted as a way around some classically intractable problems such as the simulation of quantum mechanics. At the end of all quantum algorithms is a quantum measurement whereby classical data is extracted and utilized....
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Open Access (DOAJ)
DOI: 10.3389/fphy.2021.546538
Gabriele Amante, Judit E. Sponer, Jiri Sponer, Franz Saija et al. • Entropy
(2022)
The search for the chemical origins of life represents a long-standing and continuously debated enigma. Despite its exceptional complexity, in the last decades the field has experienced a revival, also owing to the exponential growth of the...
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Open Access (DOAJ)
DOI: 10.3390/e24081012
Aya Ali, Fatima Alshaali, Mejd Almheiri, Mahmoud Abdel-Hafiez • Results in Physics
(2025)
Transition metal dichalcogenides (TMDs) are a fascinating class of materials known for their various electronic properties and potential applications in nanoelectronics, quantum computing, and energy storage. This review explores the intric...
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Open Access (DOAJ)
DOI: 10.1016/j.rinp.2025.108154
Akhil Chintalapati, Khashbat Enkhbat, Ramanathan Annamalai, Geraldine Bessie Amali et al. • Quantum Reports
(2025)
In the evolving digital landscape, the pervasive influence of artificial intelligence (AI) on social media platforms reveals a compelling paradox: the capability to provide personalized experiences juxtaposed with inherent biases reminiscen...
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Open Access (DOAJ)
DOI: 10.3390/quantum7030036
Adam Callison, Nicholas Chancellor, Florian Mintert, Viv Kendon • New Journal of Physics
(2019)
Quantum computation using continuous-time evolution under a natural hardware Hamiltonian is a promising near- and mid-term direction toward powerful quantum computing hardware. We investigate the performance of continuous-time quantum walks...
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Open Access (DOAJ)
DOI: 10.1088/1367-2630/ab5ca2
John P T Stenger, C Stephen Hellberg, Daniel Gunlycke • New Journal of Physics
(2026)
We propose a hybrid variational quantum algorithm that has variational parameters used by both the quantum circuit and the subsequent classical optimization. Similar to the variational quantum eigensolver, this algorithm applies a parameter...
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Open Access (DOAJ)
DOI: 10.1088/1367-2630/aea2ba
Fei Yan, Abdullah M. Iliyasu, Sihao Jiao, Huamin Yang • Applied Sciences
(2019)
Utilising the properties of quantum mechanics, i.e., entanglement, parallelism, etc., a quantum structure is proposed for representing and manipulating emotion space of robots. This quantum emotion space (QES) provides a mechanism to extend...
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Open Access (DOAJ)
DOI: 10.3390/app9163351
Qian Wenyang • EPJ Web of Conferences
(2025)
Quantum computing has recently emerged as a transformative tool for investigating the real-time dynamics of jets in heavy-ion collisions, offering novel approaches to simulate non-equilibrium processes and strongly coupled phenomena that ar...
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Open Access (DOAJ)
DOI: 10.1051/epjconf/202533901012
Kyle Lee, Shuvro Chowdhury, Kerem Y. Camsari • Communications Physics
(2025)
Abstract Ising machines are hardware accelerators for combinatorial optimization and probabilistic sampling, using stochasticity to explore spin configurations and avoid local minima. We refine the previously proposed coupled chaotic bits (...
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Open Access (DOAJ)
DOI: 10.1038/s42005-025-01945-1
Haruto Fujii, Yasuaki Ito, Nobuya Yokogawa, Kanta Suzuki et al. • Applied Sciences
(2025)
Quantum chemistry offers the formal machinery to derive molecular and physical properties arising from (sub)atomic interactions. However, as molecules of practical interest are largely polyatomic, contemporary approximation schemes such as ...
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Open Access (DOAJ)
DOI: 10.3390/app15052572
Carles Serrat, Montserrat Corbera, John Afa • Applied Sciences
(2015)
We present a numerical solution for complete population inversion in a four-level ladder system obtained by using a full π-pulse illumination scheme with resonant ultrashort phase-locked Gaussian laser pulses. We find that a set of pulse ar...
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Open Access (DOAJ)
DOI: 10.3390/app5041484