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๐Ÿ” robert lewis ๐Ÿ“‚ Physics
Showing 1367 results for "robert lewis" in Physics
Physics Preprint PDF DOI

Universal Scaling of Freezing Morphodynamics in Polymer Solution Droplets

Nicolas G. Ulrich, Pravin P. Aravindhan, Olivia Berger, Bryan S. Beckingham, Jean-Francois Louf ยท 2026

Freezing of complex fluids is central to a wide range of natural and technological processes, where the interplay between heat transport, solute redistribution, and interfacial deformation gives rise โ€ฆ

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Current conservation and amplitude regularisation of the Landau problem: Bohm--Madelung description

Anand Aruna Kumar ยท 2026

This work investigates the dynamics of a charged particle in a uniform magnetic field within the Bohm--Madelung formulation of quantum mechanics. In this representation, the stationary Schrodinger equโ€ฆ

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Discovery of the Solution to the "Einstein-Podolsky-Rosen Paradox"

Roman Schnabel ยท 2026

In 1935, Albert Einstein, Boris Podolsky and Nathan Rosen (EPR) published a thought experiment that is entirely correct, has been demonstrated in real experiments, and is now the most famous in quantuโ€ฆ

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Tennis-racket instability of twisted electrons

S.S. Baturin ยท 2026

We demonstrate that a weak nonlinear magnetic entrance edge induces a tennis-racket (Dzhanibekov) instability in the shell-resolved orbital pseudospin dynamics of twisted electrons propagating in a noโ€ฆ

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Autonomous Discovery of Particle Physics Theories from Experimental Data

Stephon Alexander, Benjamin Bradley, Loukas Gouskos, Cooper Niu ยท 2026

The search for physics beyond the Standard Model is hindered by a combinatorial explosion of possible theories. We introduce \textsc{Albert}, a neuro-symbolic artificial intelligence framework to systโ€ฆ

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The Coldest Known Y Dwarfs: Estimates of their Effective Temperatures

S. K. Leggett ยท 2026

For a decade there has been a factor of 2.5 gap in luminosity between the 275K WISE J085510.83-071442.5 (Luhman 2014) and all other Y dwarfs, with Teff >= 350K. Recently three objects were found whichโ€ฆ

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A Slit Mask Integral Field Unit for the Robert Stobie Spectrograph on the Southern African Large Telescope: I. Instrument Development

Sabyasachi Chattopadhyay, Matthew A. Bershady, Michael P. Smith, Antoine Mahoro, Marsha J. Wolf ยท 2026

Integral field spectroscopy (IFS) has been added as a new observation mode to the Robert Stobie Spectrograph (RSS), the workhorse multi-mode instrument on the Southern African Large Telescope. RSS opeโ€ฆ

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Cross-spectra likelihood for robust $\tau$ constraints from all satellite polarisation data

Valentina Genesini, Giacomo Galloni, Luca Pagano, Paolo Campeti, Massimiliano Lattanzi ยท 2026

The Thomson scattering optical depth to reionisation, $\tau$, one of the six parameters of the $\Lambda$CDM model, is primarily constrained by the large-scale E-mode polarisation of the Cosmic Microwaโ€ฆ

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Theoretical proof of the constancy of the speed of light in a vacuum

D.N. Makarov ยท 2026

The constancy of the speed of light (the maximum velocity of interaction) is the second postulate of Albert Einstein's special theory of relativity. Currently, there is no correct theoretical proof ofโ€ฆ

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The non-uniform electron gas

Mihaly A. Csirik, Andre Laestadius ยท 2026

The non-uniform (or inhomogeneous) electron gas has received much attention in many-body quantum mechanics and quantum chemistry in the early days of density functional theory, mainly as a theoreticalโ€ฆ

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How did the Urban Network Flow Adapt to the Collapse of the Carola Bridge?

Jyotirmaya Ijaradar, Ning Xie, Lei Wei, Sebastian Pape, Matthias Korner, Meng Wang ยท 2026

The unexpected collapse of the Carola Bridge in Dresden, Germany, provides a rare opportunity to characterise how urban network traffic adapts to an unexpected infrastructure disruption. This study deโ€ฆ

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Investigation of Differential Diffusion and Strain Coupling in Large Eddy Simulations of Hydrogen-Air Flames

Antonio Masucci, Gioele Ferrante, Tiziano Ghisu, Andrea Giusti, Ivan Langella ยท 2026

Large Eddy Simulations with flamelet-based thermochemistry are used to investigate the behaviour of a premixed hydrogen-air flame stabilised by a bluff-body. Validation against experimental data is caโ€ฆ

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Some Studies On Exact Solutions Of Models In Noncommutative Spaces

Manjari Dutta ยท 2026

The central theme of my thesis is to explore various simple prototype models that are exactly solvable in the framework of time dependent noncommutative spaces. By adopting the methodology provided byโ€ฆ

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Unified scaling and shape laws for turbulent premixed methane and hydrogen jet flames

Aurora Maffei, Thomas L. Howarth, Marianna Cafiero, Florence Cameron, Michael Gauding, Joachim Beeckmann, Heinz Pitsch ยท 2026

The scaling of turbulent premixed flames is typically described by correlations derived for unity-Lewis-number fuels. However, their validity for hydrogen (H$_{2}$) remains uncertain due to the thermoโ€ฆ

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pyKurucz: A Pure Python Reimplementation of Kurucz SYNTHE for Stellar Spectrum Synthesis

Elliot M. Kim, Yuan-Sen Ting ยท 2026

pyKurucz is a pure Python reimplementation of Kurucz's SYNTHE, the standard code for computing synthetic stellar spectra. The original Fortran, written decades ago in a legacy dialect, is difficult toโ€ฆ

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First-Principles Electronegativity Scale from the Atomic Mean Inner Potential

Jin-Cheng Zheng ยท 2026

Electronegativity is a cornerstone of chemical intuition, essential for rationalizing bonding, reactivity, and material properties. However, prevailing scales remain empirically derived, often relyingโ€ฆ

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The Predictive Power of Chemical Bonding Analysis in Materials: a Perspective on Optoelectronic Properties

Gabriele Saleh, Liberato Manna ยท 2026

Chemical bonding governs how atoms interact to form compounds, thereby determining their physicochemical properties. Despite being an elusive concept, chemical bonding has led to the development of moโ€ฆ

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The Emergence of Measured Geometry in Self-Gravitating Systems

Maria I. R. Lourenco, Julian Barbour, Francisco S. N. Lobo ยท 2026

This work investigates the geometrical properties of self-gravitating $N$-body systems from the perspective established by Henri Poincar\'e and Albert Einstein concerning the operational nature of meaโ€ฆ

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Emergent Topological Complexity in the Barabasi-Albert Model with Higher-Order Interactions

Vadood Adami, Hosein Masoomy, Mirko Lukovic, Morteza Nattagh Najafi ยท 2026

We examine the homological structure of the Barabasi-Albert model, focusing on the time evolution of $\Delta$-dimensional simplices and topological holes as functions of time $t$ and the attachment paโ€ฆ

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On the Deepest Search for Galactic Center Pulsars and an Examination of an Intriguing Millisecond Pulsar Candidate

Karen I. Perez, Vishal Gajjar, Slavko Bogdanov, Jules P. Halpern, Paul B. Demorest, Steve Croft, Matt Lebofsky, David H. E. MacMahon, Andrew P. V. Siemion ยท 2026

We report results of one of the most sensitive pulsar surveys to date targeting the innermost region of the Galactic Center (GC) using the Robert C. Byrd Green Bank Telescope (GBT) at X-band (8--12GHzโ€ฆ

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