Expertini Research Research

Browse Research Papers

1,094+ open-access research outputs.

โœ• Clear
๐Ÿ” juan sequeda ๐Ÿ“‚ Physics
Showing 1094 results for "juan sequeda" in Physics
Physics Preprint PDF DOI

Quantum limits on squeezing

Xin Zhou, Francesco Massel ยท 2026

In our work, we show how, for a network of bosonic modes, canonical commutation relations constrain the coefficients relating input and internal modes. Based on these constraints, we derive a lower boโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Isospin-symmetry violation -- kaons and beyond (ISO-BREAK 25: summary and outlook)

Marek Gazdzicki, Francesco Giacosa, Katarzyna Grebieszkow, David Blaschke, Marcus Bleicher, Bastian Brandt, Wojciech Brylinski, Tobiasz Czopowicz, Jim Drachenberg, Dipangkar Dutta, Francesca Ercolessi, Mark Gorenstein, Linqin Huang, Oleksii Ivanytskyi, Nicolo Jacazio, Joseph Kapusta, Seweryn Kowalski, Maciej Piotr Lewicki, Manuel Lorenz, Stanislaw Mrowczynski, Vitalii Ozvenchuk, Oleksandra Panova, Roman Planeta, Krzysztof Piasecki, Milena Piotrowska, Rob Pisarski, Damian Pszczel, Johann Rafelski, Martin Rohrmoser, Andrzej Rybicki, Maciej Rybczynski, Radoslaw Ryblewski, Subhasis Samanta, Mayank Singh, Joanna Maria Stepaniak, Grzegorz Stefanek, Herbert Stroebele, Tatjana Susa, Leonardo Tinti, Ludwik Turko, Oleksandr Vitiuk, Klaus Werner, Hanna Zbroszczyk ยท 2026

This report summarizes the presentations and discussions during the ISO-BREAK 25 Workshop ``Isospin symmetry violation: kaons and beyond'', which was held at Jan Kochanowski University in Kielce on Ocโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Cosmological Wavefunctions as Amplitudes: Dual Shuffle Factorization and Uniqueness from New Hidden Zeros

Yang Li, Laurentiu Rodina ยท 2026

We show that cosmological wavefunctions in $\phi^n$ theories naturally generalize flat-space $\mathrm{Tr}(\phi^3)$ scattering amplitudes: via a simple map from tube variables to Mandelstam invariants,โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Remarks on "Further comments on "Rebuttal of "Refutation of "Comment on "Reply to "Comments on "A genuinely natural information measure" " " " " " "

Z. Sommer, A. Winter ยท 2026

It's a bit tedious, but as John Doe and Jean Roe have insisted on offering further comments on our comprehensive refutation of the former's already tiringly obstinate advances, we feel compelled to reโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

ALMAGAL VIII. Early phases of triggered star formation in source AG286.0716$-$1.8229

C. Mininni, S. Molinari, W.J. Kim, E. Schisano, F. Fontani, A. Traficante, A. Nucara, A. Coletta, H.T. Lee, A. Sanchez-Monge, M. Benedettini, D. Elia, S. Pezzuto, V.M. Pelkonen, P. Schilke, C. Battersby, P.T.P. Ho, M. Beltran, H. Beuther, G.A. Fuller, B. Jones, R.S. Klessen, Q. Zhang, S. Walch, Y. Tang, A. Ahmadi, J. Allande, A. Avison, J. Ballesteros-Paredes, L. Bronfman, C.L. Brogan, F. De Angelis, E. Rodrigues da Costa, P. Hennebelle, T.R. Hunter, K.J. Johnston, K.T. Kim, P. Klaassen, R. Kuiper, C.Y. Law, D.C. Lis, S. Liu, L. Moscadelli, T. Moller, K.L.J. Rygl, P. Sanhueza, J.D. Soler, Y.N. Su, L. Testi, F.F.S. van der Tak, T. Zhang, H. Zinnecker, J. Wallace ยท 2026

Several theoretical and observational studies have shown that new waves of triggered star-formation can be induced by the feedback from newly formed massive protostars, due to the expansion of H II reโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

oMEGACat. X. Shedding light on the disrupted dwarf galaxy of Omega Centauri

Stefano Souza, Nadine Neumayer, Anil C. Seth, Zixian Wang, Callie Clontz, Maximilian Haberle, Maria S. Nitschai, Peter J. Smith, Tadafumi Matsuno, Guillaume Guiglion, Anja Feldmeier-Krause, Nikolay Kacharov, Glenn van de Ven, Jiadong Li, Mattia Libralato, Andrea Bellini, Antonino P. Milone, Mayte Alfaro-Cuello ยท 2026

Omega Centauri ($\omega\,$Cen) is the most massive and chemically complex star cluster in the Milky Way and is widely regarded as the surviving nuclear star cluster of an accreted dwarf galaxy. Howeveโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Entanglement in a driven two-qubit system coupled to common cavity

Amit Dey ยท 2026

A system, comprised of a qubit pair coupled to a common cavity, is studied with the aim of establishing qubit entanglement. This study is the sequel of the paper Phys. Rev. A 111, 043705 (2025), whereโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Quasi-Periodic Fast-Mode Wave Trains Associated with the 2015-Jun-22 M6.5 Flare in AR~12371: Observations and 3D MHD Modeling

Tongjiang Wang, Wei Liu, Leon Ofman, Xudong Sun, Meng Jin ยท 2026

Quasi-periodic fast-propagating (QFP) wave trains are a distinctive form of magnetohydrodynamic disturbance frequently observed in the solar corona. Yet their excitation mechanism and propagation charโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

A simulation-based inference of the Milky Way merger history

Andrea Sante, Andreea S. Font, Daisuke Kawata, T. Lucas Makinen, Robert J. J. Grand ยท 2026

Accreted stars in the Milky Way (MW) preserve information about the progenitor galaxies where they formed in their chemical and kinematic properties. In this study, we use the chemo-dynamical signaturโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Chemo-dynamical reconstruction of Milky Way globular cluster progenitors: Age-metallicity relations and the universality of multiple stellar populations

Carmela Lardo, David Valcin, Raul Jimenez ยท 2026

Globular clusters encode the hierarchical assembly history of the Milky Way and the physics of multiple stellar populations. Using homogeneous stellar parameters for 69 Galactic globular clusters deriโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Multistability and Self-Trapping in Cavity-Magnonic Dimer

Pooja Kumari Gupta, Amarendra K. Sarma, Subhadeep Chakraborty ยท 2026

We show that a driven-dissipative cavity-magnonic dimer supports multistability with coexisting symmetric and symmetry-broken steady states. The interplay between magnon Kerr nonlinearity and photon tโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Gaia DR3 high radial velocity stars: Genuine fast-moving objects or outliers?

D. Katz, A. Gomez, E. Caffau, P. Bonifacio, C. Hottier, O. Vanel, C. Soubiran, P. Panuzzo, D. Chosson, P. Sartoretti, R. Lallement, P. Di Matteo, M. Haywood, N. Robichon, S. Baker, A. Barbier, D. Bashi, K. Benson, R. Blomme, N. Brouillet, L. Casamiquella, L. Chemin, M. Cropper, Y. Damerdji, C. Dolding, S. Faigler, Y. Fremat, E. Gosset, A. Guerrier, R. Haigron, H.E. Huckle, N. Leclerc, A. Lobel, O. Marchal, T. Mazeh, A. Mints, F. Royer, G. M. Seabroke, M. Smith, O. Snaith, F. Thevenin, K. Weingrill ยท 2026

The third Gaia data release includes 33.8 million radial velocity measurements, extending to a magnitude of G_RVS = 14. To reach this magnitude limit, spectra were processed down to a signal-to-noise โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

$S$ factor of $^{13}$C($\alpha$,$n$)$^{16}$O at low energies in cluster effective field theory

Shung-Ichi Ando ยท 2026

The $^{13}$C($\alpha$,$n$)$^{16}$O reaction at low energies is studied by constructing an effective field theory. We choose a separation scale at $E=1$~MeV, where $E$ is the initial $\alpha$-$^{13}$C โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Probing the Milky Way Halo with RR Lyrae Stars from Gaia Data Release 3

T. Muraveva, L. Monti, D. Massari, M. De Leo, A. Garofalo, G. Clementini, E. Ceccarelli, U. Michelucci ยท 2026

The Milky Way (MW) stellar halo, containing debris from past accretion events, serves as a fossil record of hierarchical mass assembly. Due to their distinct properties, RR Lyrae stars (RRLs) serve asโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

The empirical laws for Majorana fields in a curved spacetime

Hideyasu Yamashita ยท 2026

This article is a sequel to our previous paper (arXiv:2511.12311), where we considered the conceptual problem on the empirical laws for the Klein\textendash Gordon quantum field theory in curved spaceโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

The Frequency of Solar Eclipses for a Given Place: A New Approach to a Classic Question

Graham Jones, Renate Mauland-Hus, Frank Thomas Tveter, Anne Buckle, Sebastien Emonet, Adalbert Michelic, Anna Smith, David Usken, Steffen Thorsen ยท 2026

In a classic 1982 paper in this journal, Jean Meeus used a statistical approach for finding the mean frequency of a total and an annular eclipse of the Sun at a given place on the surface of the Earthโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

On the Use of Field RR Lyrae as Galactic Probes -- VIII. Early Formation of the Galactic Spheroid

G. Bono, V. F. Braga, M. Fabrizio, M. Tantalo, K. Baeza-Villagra, J. Crestani, V. D'Orazi, M. Dall'Ora, M. Di Criscienzo, G. Fiorentino, M. Gholami, M. Marengo, C. E. Martinez-Vazquez, M. Monelli, J. P. Mullen, A. Nunnari, V. D. Pipwala, Z. Prudil, C. Sneden, G. Altavilla, M. Bergemann, G. Bocek Topcu, R. Buonanno, A. Calamida, E. Carretta, G. Ceci, B. Chaboyer, M. Correnti, R. da Silva, I. Ferraro, F. A. Gomez, G. Iannicola, R.-P. Kudritzki, A. Kunder, S. Kwak, M. Marconi, S. Marinoni, N. Matsunaga, F. Matteucci, A. Monachesi, I. Musella, M. G. Navarro Ovando, G. W. Preston, V. Ripepi, M. Salaris, M. Sanchez-Benavente, E. Spitoni, P. B. Stetson, F. Thevenin, I. B. Thompson, P. B. Tissera, T. Tsujimoto, E. Valenti, A. K. Vivas, A. R. Walker, M. Zoccali, A. Zocchi ยท 2026

We introduce a new photometric catalog of RR Lyrae variables (RRLs, $\sim$300,000) mainly based on data available in public datasets. We also present the largest and most homogeneous spectroscopic datโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Quantum Cosmology in Accelerating Spacetimes II

S. P. Miao, N. C. Tsamis, R. P. Woodard ยท 2026

This paper is a sequel in which we further analyze the recently derived quantum gravity equations which apply in accelerating cosmological spacetimes and whose solutions should be equivalent to all orโ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Analysis of Solar Flare and Sunspots on 4th Jan 2025 and Their Effects on Space Weather

Akash Vinod Shirke, Sakshi Sheshrao Charde, Balendra Pratap Singh ยท 2026

Solar flares and coronal mass ejections (CMEs) are among the most energetic phenomena in the solar system, often impacting space weather and terrestrial technologies. In this study, we utilize SunPy, โ€ฆ

Read Paper โ†’
Physics Preprint PDF DOI

Computational hardness of estimating quantum entropies via binary entropy bounds

Yupan Liu ยท 2026

We investigate the computational hardness of estimating the quantum $\alpha$-R\'enyi entropy ${\rm S}^{\tt R}_{\alpha}(\rho) = \frac{\ln {\rm Tr}(\rho^\alpha)}{1-\alpha}$ and the quantum $q$-Tsallis eโ€ฆ

Read Paper โ†’
Page 1 of 55 Next โ†’