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๐Ÿ” geethu thomas ๐Ÿ“‚ Physics
Showing 2627 results for "geethu thomas" in Physics
Physics Preprint PDF DOI

First Observation of Multiple Very-Near-Earth Reconnection Events During a Single Storm Main Phase

Fekireselassie Beyene, Vassilis Angelopoulos, Christine Gabrielse, Yoshizumi Miyoshi, Iku Shinohara, Shoichiro Yokota, Satoshi Kasahara, Kunihiro Keika, Tomoaki Hori, Yasumasa Kasaba, Yoshiya Kasahara, Ayako Matsuoka, Mariko Teramoto, Kazuhiro Yamamoto ยท 2026

For the first time, this paper presents three very-near-Earth reconnection (VNERX) events observed within the same 12-hour-long storm main phase. The THEMIS inner probes observed the hallmarks of threโ€ฆ

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Physics Preprint PDF DOI

Neural-Network-Based Variational Method in Nuclear Density Functional Theory: Application to the Extended Thomas-Fermi Model

Kenta Yoshimura ยท 2026

We propose a neural-network-based variational framework for nuclear Density Functional Theory based on the extended Thomas--Fermi (ETF) model, in which proton and neutron number densities are represenโ€ฆ

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Physics Preprint PDF DOI

Solar Energetic Particle Reflection by Precursor ICMEs: Multi-spacecraft Observations of Bi-Directional Electron Beams at 1 AU

Lucas Liuzzo, Wenwen Wei, Andrew R. Poppe, Christina O. Lee, Vassilis Angelopoulos ยท 2026

We present case studies of two impulsive solar energetic electron (SEE) events during which particles at energies from 1-600 keV were detected by THEMIS-ARTEMIS orbiting the Moon, Wind at Earth's firsโ€ฆ

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Physics Preprint PDF DOI

Optimal paths across potentials on scalar field space

Saskia Demulder, Dieter Lust, Carmine Montella, Thomas Raml ยท 2026

Motivated by the Swampland Distance Conjecture, we study distances in field space using the framework of Optimal Transport. The associated optimisation problem naturally leads to a notion of distance โ€ฆ

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Physics Preprint PDF DOI

Scissors modes in generalized Gross-Pitaevskii equations

Neelam Shukla, Oleksandr V. Marchukov, Bastien Humbert, Jan Arlt, Jeremy Armstrong, Artem G. Volosniev ยท 2026

We investigate scissors modes in nonlinear systems with arbitrary power-law dependence of the nonlinear term. Through analytical derivation, we establish a general expression demonstrating that, in thโ€ฆ

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Physics Preprint PDF DOI

The Dyson Minds 2025 Workshop: SETI around Black Holes

Olivia Curtis, Van Hunter Adams, Daniel Angerhausen, Joseph Bates, Anamaria Berea, Steven J. Dick, Martin Elvis, Sunil P. Khatri, Richard Linares, Manushaqe Muco, S. Seager, Jason T. Wright ยท 2026

The Dyson Minds 2025 Workshop, held at the Center for Brains, Minds & Machines at MIT and organized by Penn State, MIT, and The Ultraintelligence Foundation, brought together researchers in astrophysiโ€ฆ

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Physics Preprint PDF DOI

Velocity-field characteristics and device performance in nanoscale amorphous oxide Thin-Film-Transistors

Chankeun Yoon, Xiao Wang, Jatin Vikram Singh, Sanjay K. Banerjee, Ananth Dodabalapur ยท 2026

The electron velocity-electric field characteristics in short channel length (50-100 nm) amorphous oxide field-effect transistors (FETs) are described using measured experimental data from indium gallโ€ฆ

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The non-perturbative topological string: from resurgence to wall-crossing of DT invariants

Simon Douaud, Amir-Kian Kashani-Poor ยท 2026

We study the resurgence structure of the topological string partition function, with an emphasis on the Borel analysis of the instanton amplitudes. To this end, we introduce a differential operator thโ€ฆ

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Petabit-per-second Random Number Generation

Lin Jiang, Jihui Sun, Qiao Zhang, Jincheng Cui, Xiaohan Wang, Yanlan Xiao, Lin Sun, Hairong Lin, Haijun He, Jiacheng Feng, Anlin Yi, Jia Ye, Xihua Zou, Wei Pan, Gangxiang Shen, Heng Zhou, Lianshan Yan ยท 2026

Physical random number generators based on chaotic microcombs, with their complex nonlinear dynamics and multi-channel parallel capability, have attracted considerable research attention. However, keyโ€ฆ

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Physics Preprint PDF DOI

Random-State Generation and Preparation Complexity in Rydberg Atom Arrays

Edison S. Carrera, Gregoire Misguich ยท 2026

Rydberg atom arrays are powerful platforms for studying quantum many-body systems. We consider the Rydberg-Ising Hamiltonian on periodic chains and numerically study ensembles of states generated by rโ€ฆ

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Machine Learning Insights into Discrepancies Between Theoretical and Experimental Fission Barrier Heights

Kun Ratha Kean, Yoritaka Iwata ยท 2026

Accurate determination of nuclear fission barrier heights is essential for understanding nuclear stability, fission dynamics, and nucleosynthesis. However, theoretical models such as the Extended Thomโ€ฆ

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Hole concentrations in doped gray {\alpha}-Sn on InSb and CdTe measured with infrared ellipsometry

Jaden R. Love, Carlos A. Armenta, Atlantis K. Moses, Haley B. Woolf, Jan Hrabovsky, Stefan Zollner, Aaron N. Engel, Christopher J. Palmstr{o}m ยท 2026

Gray tin ({\alpha}-Sn) layers with 30 nm thickness were grown on InSb (001) substrates using molecular beam epitaxy. The surface preparation of the substrates was adjusted to achieve either n-type or โ€ฆ

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Simultaneous TRACERS and THEMIS Observations of Reversed Cusp Ion Dispersions and Dual-Lobe Reconnection

M. {O}ieroset, S. A. Fuselier, J. B. Bonnell, R. A. Roglans, J. S. Halekas, R. J. Strangeway, T. D. Phan, R. G. Gomez, S. M. Petrinec, K. J. Trattner, S. R. Shaver, K. A. Goodrich, S. A. Henderson, S. L. Soni, V. Angelopoulos, B. L. Burkholder, H. Cao, L-J. Chen, H. K. Connor, D. M. Miles, A. Moore, J. Ng, Y. Shen ยท 2026

We present observations from two consecutive TRACERS-2 orbits through the northern low-altitude cusp. During the first crossing, TRACERS-2 observed reversed cusp ion dispersion and sunward convection,โ€ฆ

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Uncovering the role of ionic doping in hydroxyapatite: The building blocks of tooth enamel and bones

Mahdi Tavakol, Jinke Chang, Cyril Besnard, Gabriel Landini, Richard M. Shelton, Jin-Chong Tan, Alexander M. Korsunsky ยท 2026

Hydroxyapatite (HAp) is the primary mineral component of various mineralized tissues in the human body, including bone and teeth, where it performs critical roles of structural support and load transmโ€ฆ

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Scattering and inverse scattering for multipoint potentials at high energies

P.C. Kuo, R.G. Novikov ยท 2026

We consider the Schr\"odinger equation with a multipoint potential of Bethe-Peierls-Thomas-Fermi type. For this singular potential, we develop scattering and inverse scattering at high energies. In paโ€ฆ

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Structure Functions and Intermittency for Coarsening Systems

Pradeep Kumar Yadav, Mahendra K. Verma, Sanjay Puri ยท 2026

In studies of turbulence, there has been extensive use of physical quantities such as {\it energy transfers} and {\it structure functions}. We examine whether these quantities can be useful in understโ€ฆ

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A forward-angle large-acceptance magnetic spectrometer

B. Wojtsekhowski, G. Cates, E. Cisbani, M. Jones, G. Franklin, N. Liyanage, L. Pentchev, A.J.R. Puckett, R. Wines ยท 2026

A large solid angle magnetic spectrometer for high luminosity and forward scattering angles was constructed at the Thomas Jefferson National Accelerator Facility. A number of physics experiments have โ€ฆ

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Quantum walk on a random comb

Francois David, Thordur Jonsson ยท 2026

We study continuous time quantum walk on a random comb graph with infinite teeth. Due to localization effects along the spine, the walk cannot go to infinity in the spine direction, while it can escapโ€ฆ

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Ground-state solution of quantum droplets in Bose-Bose mixtures

Wei Liu, Limin Xu ยท 2026

In this paper, we present a systematic study on the ground state computation of quantum droplets in homonuclear Bose-Bose mixtures, governed by the extended Gross-Pitaevskii equations (eGPEs) with Leeโ€ฆ

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Charged current induced electron-proton scattering and the axial vector form factor

A. Fatima, M. Sajjad Athar, S. K. Singh ยท 2026

We investigate the total scattering cross section ($\sigma$), differential cross section ($\frac{d\sigma}{dQ^2}$), the longitudinal ($A_L(E_e,Q^2)$) and perpendicular ($A_P(E_e,Q^2)$) spin asymmetriesโ€ฆ

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