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Showing 11555 results for "peter pollner" 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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Coherent structures in Newtonian and viscoelastic turbulent planar jets

Christian Amor, Adrian Corrochano, Giovanni Soligo, Soledad Le Clainche, Marco Edoardo Rosti ยท 2026

The addition of a small amount of long-chain polymers confers viscoelastic properties to Newtonian flows. The resulting non-Newtonian solution now exhibits different dynamics, such as enhanced mixing โ€ฆ

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Quantum sensing-enabled deuterium NMR spectroscopy with nanoscale sensitivity at low magnetic fields

Dileep Singh, Riley W. Hooper, Christoph Findler, Utsab Banerjee, Dominik B. Bucher ยท 2026

Nuclear magnetic resonance (NMR) spectroscopy provides unparalleled access to molecular structure and dynamics but is traditionally limited by weak signal strength, requiring large sample volumes and โ€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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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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Topochemical Fluorination of La$_2$NiO$_{4+\delta}$ Single Crystals

Hasan Yilmaz, Masahiko Isobe, Oliver Clemens, Pascal Puphal ยท 2026

Topochemical fluorination offers a low--temperature route for modifying the anion chemistry and electronic ground states of layered transition-metal oxides, providing access to metastable phases and fโ€ฆ

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Fundamental picture of the conduction mechanism in solid-state polymer electrolytes revealed by terahertz spectroscopy

Johanna Weidelt, Jijeesh Ravi Nair, Diddo Diddens, Wentao Zhang, Felix Pfeiffer, Tiago de Oliveira Schneider, Markus Meinert, Tomoki Hiraoka, Linda Nesterov, Masoud Baghernejad, Dmitry Turchinovich, Hassan A. Hafez ยท 2026

Solid polymer electrolytes (SPEs) based on cross-linked poly(ethylene oxide) (PEO) encompassing lithium salts have gained significant attention as separators in solid-state lithium metal batteries. Heโ€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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Toller matrices and the Feynman $i\varepsilon$ in spinfoams

Eugenio Bianchi, Chaosong Chen, Mauricio Gamonal ยท 2026

We study the analytic properties and three equivalent representations of the Toller matrices $T^{(\pm)}$ which appear in the causal formulation of spinfoam transition amplitudes for 4d Lorentzian quanโ€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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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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Pressure sensing by electro-mechanical coupling in compliant dielectric membranes polarized by a bias voltage

Bart Van Damme, Alexandre Brun d'Arre, Patrick Danner, Dorina Opris, Andrea Bergamini ยท 2026

Among smart materials, piezoelectric materials occupy a very prominent position for sensing and actuation functions. Combined with simple or more advanced shunts, they are also proposed in various vibโ€ฆ

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Synchronized molecular dynamics method for thin-layer flows of complex fluids

Shugo Yasuda, Kotaro Oda, Fumito Muragaki, Yuta Taketa, Masashi Iwayama, Tomohide Ina ยท 2026

We propose a multiscale computational method for thin-layer flows of complex fluids, termed the synchronized molecular dynamics (SMD) method, which directly couples local molecular dynamics (MD) simulโ€ฆ

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Cosolvency response in polymer brushes

Huaisong Yong, Binyu Zhao ยท 2026

We present the first analytic theory with elegant and closed-form analytical solutions to explore the cosolvency effect in polymer brushes, where polymer chains that are poorly soluble in two pure solโ€ฆ

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Alterations in Conformations of Poly(3-hexylthiophene) on Au(111) Induced by Annealing

Anmol Arya, Francois Vonau, Solomon L. Joseph, Thomas Pfohl, Silvia Siegenfuhr, Laurent Simon, Gunter Reiter ยท 2026

Employing high-vacuum electrospray deposition and scanning tunneling microscopy, we investigated how individual poly(3-hexylthiophene) (P3HT) chains navigated on the periodic energy landscape of a recโ€ฆ

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The Leiden/ESA Astrophysics Program for Summer Students (LEAPS)

S. Bellotti, A. D. Sellek, P. Sharda, K. M. Dutkowska, A. Chrimes, H. Rottgering ยท 2026

International student mobility plays a critical role in shaping future research careers, particularly in highly globalized fields such as astrophysics. The Leiden/ESA Astrophysics Program for Summer Sโ€ฆ

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