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๐Ÿ” peter choy ๐Ÿ“‚ Physics
Showing 3842 results for "peter choy" in Physics
Physics Preprint PDF DOI

Branch-Resolved Characterization of Feed-Forward Error in Dynamic Teleportation via Classical Choi Shadows

Mason Edwards, Prabhat Mishra ยท 2026

Mid-circuit measurement and classical feed-forward are essential primitives for dynamic-circuit teleportation on superconducting quantum processors. However, the error associated with measurement-condโ€ฆ

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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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Physics Preprint PDF DOI

Some applications of Choi polynomials of linear maps

Minh Toan Ho, Thanh Hieu Le, Cong Trinh Le, Hiroyuki Osaka ยท 2026

This paper investigates the properties of Choi polynomials and their fundamental role in the theory of positive linear maps between matrix algebras. By focusing on Hermitian symmetric biquadratic formโ€ฆ

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Physics Preprint PDF DOI

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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Physics Preprint PDF DOI

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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Physics Preprint PDF DOI

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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Emergent Features in $U(N) \times U(\tilde{N})$ Bi-adjoint Cubic Theory

Lauren Smyth ยท 2026

This work investigates the role of the $U(N) \times U(\tilde{N})$ global symmetry in tree-level scattering amplitudes of the bi-adjoint $\phi^3$ theory from three perspectives: combinatorics, correlatโ€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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Enhancing Phase Retrievability of Quantum Channels via Interferometric Coupling

Kai Liu, Deguang Han, Omar Nour ยท 2026

Phase retrievability of a quantum channel asks whether pure states can be reconstructed from suitable measurements. In this paper, we study this problem from three complementary viewpoints: quantum inโ€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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Physics Preprint PDF DOI

Thermal background reduction for mid-infrared imaging by low-rank background and sparse point-source modelling

R.A.R. Moens, A.G.M. Pietrow, B. Brandl, R. Van de Plas ยท 2026

Mid-infrared astronomy from the ground faces critical challenges in accurately detecting and quantifying sources due to the dominant spatially and time-variable background noise. Moreover, chopping anโ€ฆ

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Physics Preprint PDF DOI

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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Physics Preprint PDF DOI

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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Physics Preprint PDF DOI

Turbulence Mode Decomposition and Anisotropy in Magnetically Dominated Collisionless Plasmas

Samuel T. Sebastian, Siyao Xu, Yue Hu, Luca Comisso, Saikat Das, Joonas Nattila ยท 2026

We use the 3D fully kinetic simulation to study different turbulence modes and turbulence anisotropy of relativistic turbulence in magnetically dominated collisionless plasmas. We extend the method deโ€ฆ

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Physics Preprint PDF DOI

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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