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๐Ÿ” david meyer ๐Ÿ“‚ Physics
Showing 3516 results for "david meyer" in Physics
Physics Preprint PDF DOI

On the Difference Between Pulsar Radio Emission Beams from the Two Poles

Xiancong Wu, Hongguang Wang, Hao Tong, Rui Luo, Pengfei Wang, Chengbing Lyu, Hai Lei ยท 2026

The long-standing assumption of symmetric radio emission beams from the two magnetic poles of pulsars is challenged by observational evidence of asymmetry and underfill. Direct testing of this symmetrโ€ฆ

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Coronal Diagnostics Via Modelling Periodic-Beaded Stripes of Solar Radio Bursts

Chuanyang Li, Yao Chen, Bing Wang, Yutong Li, Xiangliang Kong, Hao Ning, Sulan Ni, Shuwang Chang, Zichuan Li, Yang Gao, Zhe Cui, Li Deng, Jingye Yan, Fabao Yan ยท 2026

Using high-resolution data from the Chashan Broadband Solar radio spectrometer at meter wavelengths (CBSm) of the Chinese Meridian Project-Phase II (CMP-II), Li et al. (2025) identified a novel fine sโ€ฆ

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The PHANGS-H{\alpha} survey. Ground-based narrow-band imaging of nearby star-forming galaxies

Alessandro Razza, Guillermo A. Blanc, Brent Groves, Enrico Congiu, Justus Neumann, Hsi-An Pan, I-Ting Ho, Ashley T. Barnes, Francesco Belfiore, Mederic Boquien, Charlie Burton, Melanie Chevance, Oleg Egorov, Eric Emsellem, Chris Faesi, Simon C. O. Glover, Kathryn Grasha, Ralf S. Klessen, Kathryn Kreckel, Adam K. Leroy, Rebecca McElroy, Ismael Pessa, Eva Schinnerer, Neven Tomicic, Amirnezam Amiri, Gagandeep S. Anand, Yixian Cao, Daniel A. Dale, Simthembile Dlamini, Jing Li, J. Eduardo Mendez-Delgado, Eric J. Murphy, Debosmita Pathak, Miguel Querejeta, Lise Ramambason, Erik Rosolowsky, Fabian Scheuermann, Leonardo Ubeda, Thomas G. Williams ยท 2026

We present PHANGS-H{\alpha}, a narrow-band imaging survey that maps H{\alpha} emission over a sample of 65 nearby massive star-forming galaxies. The data were obtained using the MPG-ESO 2.2-meter teleโ€ฆ

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Physics Preprint PDF DOI

A radon emanation measurement system at the Carleton Noble Liquid Detector Laboratory

P. Adhikari, M. G. Boulay, R. Crampton, D. Gallacher, M. Perry ยท 2026

Radon is one of the most important sources of background in rare event search experiments, such as those searching for Dark Matter and neutrinos, due to its unavoidable production from natural uraniumโ€ฆ

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The GMRT High-Resolution Southern Sky Survey for pulsars and transients -- VIII: Orbital Variability and the Evolution of a 1-Day He-WD Millisecond Pulsar J2101-4208

Ankita Ghosh, Bhaswati Bhattacharyya, David L. Kaplan, David A. Smith, Andrew Lyne, Jayanta Roy, Laila Vleeschower, Gabriella Agazie, Lankeswar Dey, Sangita Kumari, Ujjwal Panda ยท 2026

We present timing and orbital phase-resolved polarimetry of the millisecond pulsar (MSP) J2101$-$4802, having a spin period of 9.48~ms and dispersion measure (DM) $25.05\ \mathrm{pc\ cm^{-3}}$ discoveโ€ฆ

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From wake dynamics to energy consumption in free-swimming biohybrid robotic jellyfish: a multiscale analysis

Simon R. Anuszczyk, Kyra Phaychanpheng, John O. Dabiri ยท 2026

Measuring energy consumption of marine organisms often requires enclosing the animal in a small, sealed chamber to quantify changes in oxygen concentration of the surrounding water. This can limit meaโ€ฆ

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The Unstable Chromosphere: Effects of the Thermal Farley-Buneman Instability Across a Broad Range of Solar Chromospheric Conditions

Samuel Evans, Meers Oppenheim, Juan Martinez-Sykora, Alexander Green ยท 2026

In the coldest regions of the solar atmosphere, lingering discrepancies between models and observations may be caused by the Thermal Farley-Buneman Instability (TFBI). This meter-scale, electrostatic,โ€ฆ

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Galaxy mergers and disk angular momentum evolution: stellar halos as a critical test

Eric F. Bell, Richard D'Souza, Monica Valluri, Katya Gozman ยท 2026

We investigate the role of hierarchical assembly in the angular momentum (AM) evolution of galaxies using a sample of 471 Milky Way-mass galaxies from the TNG-50 simulation. While galaxy orientation iโ€ฆ

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Efficient terahertz optical filtering with large-area all-metal and polymer-metal woven wire meshes

Simon Rossel, Wentao Zhang, Hassan A. Hafez, Savio Fabretti, Dmitry Turchinovich ยท 2026

Many components for terahertz (THz) optical filtering are mechanically fragile and are hard to produce with large aperture, making them unsuitable for applications where larger THz beam diameter is reโ€ฆ

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Physics Preprint PDF DOI

COLIBRI (SVOM/FM-GFT): Instrumentation and Performances on the SVOM Alerts

S. Basa, W. H. Lee, A. M. Watson, F. Dolon, J. Floriot, J.-L. Atteia, D. Dornic, E. E. Lugo-Ibarra, L. Figueroa, R. Langarica, H. Valentin, M. Ageron, F. Agneray, L. C. Alvarez Nunez, C. Angulo-Valdez, S. Antier, T. Auphan, M. Baumann, L. Bautista, R.L. Becerra, S. Benahmed, H. Benamar, C. Blanpain, O. Boulade, Y. Bounab, J. Boy, N.R. Butler, E. O. Cadena Zepeda, S. Cuevas, A. de Ugarte Postigo, C. Delisle, M. Devigny, J.G. Ducoin, F. Fortin, J. Fuentes-Fernandez, C. Gaiti, L. Garcia-Garcia, P. Gallais, R. Gill, N. Globus, G. Guisa, E. Kajfasz, D. Lafforgue, A. Langlois, M. Larrieu, J. Landa, J. Lecubin, D. Lopez-Camara, E. Lopez Angeles, S. Lombardo, F. Magnani, N. Mandarakas, A. Malgoyre, R. Mathon, E. Moreno Mendez, C. Moreau, A. Nouvel de la Fleche, J. L. Ochoa, L. Ortiz, M. H. Pedrayes-Lopez, M. Pereyra, L. Provost, P. Ramon, N.A. Rakotondrainibe, S. Ronayette, J. Ruiz Diaz-Soto, F. Sanchez Alvarez, B. Schneider, A. Secroun, N. Striebieg, S. Tinoco, M. Tourner-Sylvain, F. Valenzuela, D. Vincent ยท 2026

COLIBRI, the French Mexican Ground Followup Telescope (FM GFT) for SVOM, is a 1.3 meter rapid response optical facility specifically developed for prompt, multiband observations of GRB afterglows and โ€ฆ

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A Physicist's Visit to Exotic Spheres

Tancredi Schettini Gherardini ยท 2026

This thesis discusses exotic 7-spheres, i.e. manifolds that are homeomorphic but not diffeomorphic to the ordinary 7-sphere, using a set of analytical and computational tools from theoretical physics.โ€ฆ

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Meshless $h$-adaptive Solution for non-Newtonian Natural Convection in a Differentially Heated Cavity

Miha Rot, Gregor Kosec ยท 2026

One of the main challenges in numerically solving partial differential equations is finding a discretisation for the computational domain that balances the accurate representation of the underlying fiโ€ฆ

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Constraining dark matter self-interaction from kinetic heating in neutron stars

Sambo Sarkar ยท 2026

Dark matter search strategies have started advancing towards the neutrino fog. In this regard, compact objects such as neutron stars have already demonstrated their ability in probing such low DM-nuclโ€ฆ

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Technically Natural Suppression of Fifth Force

Kensuke Homma, Taishi Katsuragawa, Shinya Matsuzaki ยท 2026

Light scalars generically mediate a fifth force incompatible with local tests of gravity unless their couplings are parametrically suppressed or screening mechanisms are introduced. We demonstrate thaโ€ฆ

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Seeing at Timau National Observatory Based on ERA5 Dataset

Rhorom Priyatikanto, Gerhana P. Putri, Clara Y. Yatini, Isfahani Rusyda, Evan I. Akbar, Agustinus G. Admiranto, Ferdhiansyah Noor, Siti Maryam, Elyyani, Abd Rachman ยท 2026

Understanding the seeing conditions is crucial for astronomical observations using a ground-based telescope. This study analyzes long-term atmospheric data (2002-2021) from the ERA5 dataset to assess โ€ฆ

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Nuclear Heterodyne Interferometry for Gravitational Spectroscopy

Ralf Rohlsberger ยท 2026

Gravitational spectroscopy tests the coupling of gravity to matter by measuring gravitationally induced frequency shifts of quantum transitions. While modern optical clocks probe the gravitational resโ€ฆ

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A Modular Cryogenic Link for Microwave Quantum Communication Over Distances of Tens of Meters

Josua D. Schar, Simon Storz, Paul Magnard, Philipp Kurpiers, Janis Lutolf, Melvin Gehrig, Jean-Claude Besse, Anatoly Kulikov, Andreas Wallraff ยท 2026

Quantum technologies promise a radically new way to solve classically intractable computing problems. Superconducting circuits as a platform are at the forefront of this field. The cryogenic operationโ€ฆ

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FAST and Dark: A catalogue of Dark Galaxy Candidates within 50 Mpc

Marco Monaci, Duncan A. Forbes, Jonah S. Gannon, Barbel S. Koribalski, Kenji Bekki, Jean P. Brodie, Warrick J. Couch ยท 2026

Using the first data release of the Five-hundred-meter Aperture Spherical radio Telescope (FAST) All-Sky HI survey (FASHI), we compile a catalogue of 70 dark galaxy candidates (DGCs) within 50 Mpc. Weโ€ฆ

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4MOST ChANGES: Catalog of high-redshift quasar candidates (4.5 < $z$ < 7) selected with SED fitting

T. Mkrtchyan, C. Mazzucchelli, R. J. Assef, M. J. Temple, A. Rojas-Lilayu, F. E. Bauer, V. Toptun, J. A. Acevedo Barroso, S. Belladitta, E. P. Farina, L. N. Martinez-Ramirez, G. Papini, S. Satheesh-Sheeba, D. Stern, A. Upadhyayula ยท 2026

The identification of high-redshift quasars ($z > 4.5$) is critical for studying the early Universe, supermassive black hole growth, and cosmic reionization. Most known high-redshift quasars are locatโ€ฆ

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Emission and Absorption of Microwave Photons in Orthogonal Temporal Modes across a 30-Meter Two-Node Network

Alonso Hernandez-Anton, Josua D. Schar, Aleksandr Grigorev, Guillermo F. Penas, Ricardo Puebla, Juan Jose Garcia-Ripoll, Jean-Claude Besse, Andreas Wallraff, Anatoly Kulikov ยท 2026

The tunable interaction between stationary quantum bits and propagating modes of light allows for the encoding of quantum information in the state of itinerant photons. This ability fulfills a centralโ€ฆ

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