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๐Ÿ” michael ng ๐Ÿ“‚ Physics
Showing 1123 results for "michael ng" in Physics
Physics Preprint PDF DOI

Anomalous tunneling as a low-energy theorem for Nambu-Goldstone modes

Keisuke Fujii, Daichi Kagamihara, Masaru Hongo ยท 2026

Anomalous tunneling refers to the phenomenon in which the transmission coefficient through a potential barrier approaches unity as the energy of an incident particle or quasiparticle tends to zero. Thโ€ฆ

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Physics Preprint PDF DOI

JWST Constraints on Primordial Magnetic Fields

Malcolm Fairbairn, Maria Olalla Olea-Romacho, Juan Urrutia, Ville Vaskonen ยท 2026

Primordial magnetic fields (PMFs) enhance small-scale structure formation through the Lorentz force acting on baryons, boosting the abundance of low-mass halos and their hosted galaxies. We show that โ€ฆ

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Physics Preprint PDF DOI

A divergent-beam surface plasmon resonance architecture for multiplexed malaria biosensing

Amos. S. Kiyumbi, Jordan. H. Hossea ยท 2026

We present a numerical study of a divergent-beam Kretschmann surface plasmon resonance (SPR) platform for multiplexed malaria biosensing. A Powell-lens-generated angular fan enables camera-based angulโ€ฆ

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Physics Preprint PDF DOI

Spectrum analysis with quantum dynamical systems. II. Finite-time analysis

Xinyi Sui, Mankei Tsang ยท 2026

The prequel to this work [Ng et al., Phys. Rev. A 93, 042121 (2016)] proposes the method of spectral photon counting to enhance noise spectroscopy with an optical interferometer. While the predicted eโ€ฆ

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Physics Preprint PDF DOI

Ultrasensitive Nanoplastics Detection Leveraging Shrinking Surface Plasmonic Bubble

Yang Liu, Renzheng Zhang, Amartya Mandal, Eungkyu Lee, Seunghyun Moon, Tengfei Luo ยท 2026

Nanoplastics pose serious environmental and health risks due to their widespread presence in aquatic systems. Detecting trace amounts of nanoplastics is a challenging task, which currently requires soโ€ฆ

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Physics Preprint PDF DOI

Multi-TeV $\gamma$-ray candidates from GRB 221009A: a downturn in the intrinsic $\gamma$-ray spectrum, an echo of the prompt emission phase, and intergalactic electromagnetic cascades

Timur A. Dzhatdoev, Jagdish C. Joshi, Abhijit Roy, Grigory I. Rubtsov, Anatoly A. Semenov ยท 2026

The detection of $\gamma$-ray candidates up to the energy of $\approx$13 TeV from the exceptionally bright $\gamma$-ray burst GRB 221009A by the Large High Altitude Air-Shower Observatory (LHAASO) hasโ€ฆ

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Physics Preprint PDF DOI

Scalars at the Cosmological Collider: Full Shapes of Tree Diagrams and Bispectrum Searches using Planck Data

Soubhik Kumar, Qianshu Lu, Zhong-Zhi Xianyu, Yisong Zhang ยท 2026

The Cosmological Collider (CC) provides a unique opportunity to probe the particle spectrum and fundamental interactions at extremely high energies. Massive particles, via their decay into inflaton quโ€ฆ

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Physics Preprint PDF DOI

Primordial magnetic fields in the light of upcoming post-EoR Lyman-$\alpha$ and 21-cm observations

Arko Bhaumik, Sourav Pal, Supratik Pal ยท 2026

The Lorentz force exerted by a primordial magnetic field (PMF) on the coupled baryon-dark matter system may enhance total matter power at small scales after recombination. In the post-reionization (poโ€ฆ

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Physics Preprint PDF DOI

High-power Test and System Integration of Direct RF Sampling Based LLRF Control and Monitoring System for S-Band Accelerating Structures

Chao Liu, Ankur Dhar, Michael Hoganson, Emilio Nanni, Joseph Olszewski, Emma Snively, Wei-Hou Tan ยท 2026

High precision Low-level RF (LLRF) control and monitoring systems for future particle accelerators will be a significant technical challenge as the requirements in performance, flexibility and affordaโ€ฆ

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Physics Preprint PDF DOI

Universality in Relativistic Spinning Particle Models

Joon-Hwi Kim, Sangmin Lee ยท 2026

We establish an equivalence between massive spinning particle models in four spacetime dimensions coupled to electromagnetism or gravity, within the spin-magnitude-preserving sector. Four representatiโ€ฆ

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Physics Preprint PDF DOI

Non-Relativistic Quantum Mechanics in Multidimensional Geometric Frameworks

Dalaver H. Anjum, Shahid Nawaz, Muhammad Saleem ยท 2026

A generalized formulation of non-relativistic quantum mechanics is developed within multidimensional geometric (NG) frameworks characterized by a power-law dispersion relation \(E \propto |p|^{j}\), wโ€ฆ

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Physics Preprint PDF DOI

A Concept of Next-Generation Atmospheric Cherenkov Telescope Array (NG-ACTA)

Jiancheng Wang, Jirong Mao ยท 2026

The Next-Generation Atmospheric Cherenkov Telescope Array (NG-ACTA) is proposed as a prospective infrastructure for very high energy (VHE) gamma-ray astronomy, consisting of a mixed-aperture array of โ€ฆ

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Physics Preprint PDF DOI

Cosmological Collider Searches beyond the Hubble Scale with Planck Data

Soubhik Kumar, Qianshu Lu, Zhong-Zhi Xianyu, Yisong Zhang ยท 2026

Searches for primordial non-Gaussianity (NG) has the potential to not only reveal the physics of cosmic inflation, but also the structure of fundamental interactions at the highest energies. The cosmoโ€ฆ

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Physics Preprint PDF DOI

The Super Fine-Grained Detector for the T2K neutrino oscillation experiment

S. Abe, H. Alarakia-Charles, I. Alekseev, T. Arai, T. Arihara, S. Arimoto, A. M. Artikov, Y. Awataguchi, N. Babu, V. Baranov, G. Barr, D. Barrow, L. Bartoszek, A. Beliakova, L. Bernardi, L. Berns, S. Bhattacharjee, A. V. Boikov, A. Blondel, A. Bonnemaison, F. Cadoux, S. Cap, A. Cauchois, J. Chakrani, P.S. Chong, A. Chvirova, M. Danilov, C. Davis, V. Davouloury, Yu. I. Davydov, A. Dergacheva, C. Domangue, D. Douqa, T. A. Doyle, O. Drapier, A. Eguchi, J. Elias, G. Erofeev, Y. Favre, D. Fedorova, S. Fedotov, D. Ferlewicz, Y. Fujii, R. Fujita, Y. Furui, F. Gastaldi, A. Gendotti, A. Germer, L. Giannessi, C. Giganti, V. Glagolev, R. Guillaumat, I. Heitkamp, J. Hu, C. Husi, A. K. Ichikawa, T. H. Ishida, A. Izmaylov, K. Iwamoto, M. Jakkapu, C. Jesus-Valls, J. Y. Ji, J. Juneau, C. K. Jung, H. Kakuno, M. Kawaue, P. T. Keener, M. Khabibullin, N. V. Khomutov, A. Khotjantsev, T. Kikawa, H. Kikutani, N. V. Kirichkov, H. Kobayashi, T. Kobayashi, L. Koch, S. Kodama, A. O. Kolesnikov, M. Kolupanova, T. Koto, Y. Kudenko, S. Kuribayashi, T. Kutter, M. Lachat, K. Lachner, M. Lamers James, D. Last, N. Latham, D. Leon Silverio, B. Li, W. Li, C. Lin, M. Louzir, T. Lux, K. K. Mahtani, S. Manly, D. A. Martinez Caicedo, N. Mashin, T. Matsubara, C. Mauger, K. S. McFarland, C. McGrew, J. McKean, A. Mefodiev, E. Miller, O. Mineev, A. Minamino, A. L. Moreno, A. Munoz, T. Nakadaira, K. Nakagiri, T. Nakaya, J. Nanni, L. Nicolas, V. Nguyen, E. Noah Messomo, T. Nosek, H. M. O'Keeffe, T. Ogawa, W. Okinaga, L. Osu, V. Paolone, G. Pelleriti, L. Pickering, M. A. Ramirez, M. Reh, G. Reina, C. Riccio, A. Rubbia, F. Saadi, K. Sakashita, N. Sallin, F. Sanchez, T. Schefke, C. Schloesser, D. Sgalaberna, A. Shaikovskiy, N. Shvarev, A. Shvartsman, Y. Shiraishi, N. Skrobova, A. Speers, M. Smy, D. Svirida, S. Tairafune, M. Tani, H. Tanigawa, A. Teklu, S. Tereshchenko, V. V. Tereshchenko, T. Tsushima, M. Tzanov, R. Van Berg, I. I. Vasilyev, T. Vladisavljevic, D. Wakabayashi, H. Wallace, A. Weber, N. Whitney, C. Wret, Y. Xu, Y. Yang, N. Yershov, A. J. P. Yrey, M. Yokoyama, Y. Yoshimoto, X. Y. Zhao, H. Zheng, H. Zhong, T. Zhu, E. D. Zimmerman, M. Zito ยท 2026

The magnetised near detector ND280 of the long-baseline neutrino experiment T2K has been upgraded to improve its detection performance and, consequently, enhance our understanding of neutrino-nucleus โ€ฆ

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Physics Preprint PDF DOI

Six-$\alpha$ cluster Bose-Einstein condensation and supersolid $^{12}$C($0_2^+)$+$^{12}$C($0_2^+)$ molecular structure in $^{24}$Mg

S. Ohkubo, J. Takahashi, Y. Yamanaka ยท 2026

We show for the first time that the low-spin ($J \le 4^+$) six-$\alpha$ condensate candidate states in $^{24}$Mg, recently reported by Fujikawa et al. [Phys. Lett. B 848, 138384 (2024)], are well descโ€ฆ

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Physics Preprint PDF DOI

Circular V-grooves on single-crystal gold: optical properties and sensing feasibility

Amos Sospeter Kiyumbi ยท 2026

Single-crystal Au(111) microplates provide an ultra-smooth, low-defect platform for reproducible plasmonic nanocavities. Here we realize reflection-mode whispering-gallery metasurfaces comprising periโ€ฆ

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Physics Preprint PDF DOI

TensorCircuit-NG: A Universal, Composable, and Scalable Platform for Quantum Computing and Quantum Simulation

Shi-Xin Zhang, Yu-Qin Chen, Weitang Li, Jiace Sun, Wei-Guo Ma, Pei-Lin Zheng, Yu-Xiang Huang, Qi-Xiang Wang, Hui Yu, Zhuo Li, Xuyang Huang, Zong-Liang Li, Zhou-Quan Wan, Shuo Liu, Jiezhong Qiu, Jiaqi Miao, Zixuan Song, Yuxuan Yan, Kazuki Tsuoka, Pan Zhang, Lei Wang, Heng Fan, Chang-Yu Hsieh, Hong Yao, Tao Xiang ยท 2026

We present TensorCircuit-NG, a next-generation quantum software platform designed to bridge the gap between quantum physics, artificial intelligence, and high-performance computing. Moving beyond the โ€ฆ

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Physics Preprint PDF DOI

Negentropy as Diagnostic of Cosmic Density Fields and Dynamical Dark Energy Models

Suman Sarkar ยท 2026

We employ negentropy ($J$), defined as the difference between the information content of a non-Gaussian probability distribution and a Gaussian with identical variance, as an information-theoretic proโ€ฆ

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Lorentz and CPT Tests in Neutron and Storage-Ring EDM Experiments

Yunhua Ding ยท 2026

We investigate Lorentz- and CPT-violating effects in neutron and storage-ring electric dipole moment (EDM) experiments within the framework of the Standard-Model Extension (SME). For neutron EDM experโ€ฆ

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Tamm Plasmon Resonance Responsiveness to SARS-CoV-2 Virus-Like Particles

Andrea Rossini, Fabio Marangi, Pietro Bertolotti, Francesco Scotognella, Guglielmo Lanzani, Giuseppe Maria Paterno ยท 2026

Bioresponsive optical materials that transduce nanoscale biointerface events into measurable spectral signals are of growing interest for sensing and antiviral technologies Here we show that a Tamm plโ€ฆ

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