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๐Ÿ” mehran sahami ๐Ÿ“‚ Physics
Showing 10774 results for "mehran sahami" in Physics
Physics Preprint PDF DOI

To stall-cell or not to stall-cell: Variational data assimilation of 3D mean flow past a stalled airfoil

Uttam Cadambi Padmanaban, Craig Thompson, Bharathram Ganapathisubramani, Sean Symon ยท 2026

The full-field reconstruction of three-dimensional (3D) turbulent flows from sparse experimental measurements remains a significant challenge, particularly for flows exhibiting complex 3D flow separatโ€ฆ

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Physics Preprint PDF DOI

Dense cores and filaments in M16: Enhanced formation efficiency in the stellar feedback-driven shell

Nageen Pervaiz, Guo-Yin Zhang, Alexander Men'shchikov, Jin-Zeng Li ยท 2026

We present a comprehensive analysis of dense cores and filamentary structures in the M16 Eagle Nebula using high-resolution ($11.7^{\prime\prime}$) surface density and temperature maps derived from \tโ€ฆ

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Galaxy Zoo Bar Lengths: A Catalogue of Measurements from Hubble Space Telescope Images and the Evolution of Galactic Bar Structure at z < 1

Tenley Hutchinson-Smith, Brooke D. Simmons, Karen L. Masters, Alison Coil, Izzy Garland, Tobias Geron, Sandor Kruk, Chris Lintott, Rebecca Smethurst, Amauri Tapia, Kyle Willett, Elisabeth Baeten, Sylvia Beer, Michael L. Peck, Julianne Wilcox ยท 2026

Understanding the role of galactic scale bars in disk galaxy evolution requires detailed measurements of bar properties across galaxies hosting bars at many redshifts. We present measurements of bar lโ€ฆ

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Physics Preprint PDF DOI

Schwinger-Boson Mean-Field Study of the Anisotropic Kagome Antiferromagnet

Sankha Subhra Bakshi, Brandon B. Le, Seung-Hun Lee, Gia-Wei Chern ยท 2026

We investigate the effect of spatial exchange anisotropy on the spin-$1/2$ kagome antiferromagnet using Schwinger-boson mean-field theory. The anisotropy is introduced by strengthening the Heisenberg โ€ฆ

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SPHEREx Ultracool Dwarf spectral Atlas (SUDA): Atmospheric and Fundamental Parameters of Ultracool Dwarfs

Zhijun Tu, Shu Wang, Haomiao Huang, Xiaodian Chen, Jifeng Liu ยท 2026

We present the SPHEREx Ultracool Dwarf spectral Atlas (SUDA), a homogeneous sample of 1675 ultracool dwarfs with continuous 0.75--5 $\mu$m spectroscopy from SPHEREx QR2. Using the SAND and ATMO2020++ โ€ฆ

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Physics Preprint PDF DOI

Radial Profiles of Binary Fraction in Elliptical Galaxies

Xiejin Li, Fenghui Zhang, Yinghe Zhao, Cheng Li, Zhanwen Han, Yunkun Han, Xiaoyu Kang ยท 2026

The radial profile of binary fraction may vary with environment and is of significant importance for studying the formation mechanisms of binary stars and their dynamical evolution within globular cluโ€ฆ

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Physics Preprint PDF DOI

Reservoir-mediated spin entanglement in the mean-force Gibbs state

L. A. Williamson, W. McEniery, F. Cerisola, J. Anders ยท 2026

Two qubits strongly coupled to a common bosonic reservoir can become entangled with each other, despite having no direct interaction. In equilibrium, such coupling-induced coherences can be described โ€ฆ

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Iterative warm-start optimization with quantum imaginary time evolution

Phillip C. Lotshaw, Titus Morris, Stuart Hadfield, Ryan Bennink ยท 2026

Approximate combinatorial optimization is a promising use case for quantum computers. The quantum optimization algorithms often employ a fixed ansatz that evolves an unbiased initial state towards staโ€ฆ

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Mean first passage time and the Kramers escape rate of phase transitions for the Bardeen-AdS-class black hole

Chen Ma, Bin Wu, Zhen-Ming Xu ยท 2026

In this study, by utilizing the constructed generalized free energy alongside the Mean First-Passage Time and the Kramers escape rate from stochastic dynamics, we have obtained a comprehensive landscaโ€ฆ

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Physics Preprint PDF DOI

Characterisation of the Clouds' young stellar Bridge using Gaia DR3

Marie Scholch, Oscar Jimenez-Arranz, Merce Romero-Gomez, Xavier Luri ยท 2026

The interaction between the LMC and SMC (the Clouds) has resulted in prominent tidal features, including an extended bridge of gas and stars connecting the two galaxies. This Bridge has likely formed โ€ฆ

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Bond-dimension scaling of a local-refinement advantage over hyperoptimized tensor-network contraction on Sycamore like topologies

Ruben Dario Guerrero ยท 2026

We identify a missing local-refinement stage in the cotengra tensor-network contraction pipeline and show that its impact grows monotonically with bond dimension on the \emph{connectivity graph} of Syโ€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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Kohn-Sham Hamiltonian from Effective Field Theory: Quasiparticle Band Narrowing from Frozen Core Dynamics

Xiansheng Cai, Han Wang, Kun Chen ยท 2026

Kohn-Sham (KS) eigenvalues are routinely compared with angle-resolved photoemission (ARPES) and used as input for many-body methods, yet density functional theory (DFT) assigns them no physical meaninโ€ฆ

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Application of a Quantum Amplitude Redistribution Algorithm to the Data Filtering Problem

Karina Zakharova, Artem Chernikov, Sergey Sysoev ยท 2026

This paper presents an analysis of the applicability of a quantum amplitude redistribution algorithm to the data filtering problem and the results of modeling the algorithm's operation in comparison wโ€ฆ

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Electrical conductivity of crack-template-based transparent conducting films: mean-field approximation, effective medium theory, and simulation

Yuri Yu. Tarasevich, Andrei V. Esrkepov, Irina V. Vodolazskaya ยท 2026

In our work, crack-template-based transparent conducting films were modeled as networks corresponding to the edges of a two-dimensional Poisson--Voronoi diagram. Two types of networks were considered:โ€ฆ

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The Three Hundred project: cosmic web identification from 2D gas and Compton-$y$ maps of galaxy clusters outskirts

Sara Santoni, Marco De Petris, Gustavo Yepes, Weiguang Cui, Daniel de Andres, Antonio Ferragamo, Raphael Wicker ยท 2026

Galaxy clusters are located at the nodes of the filamentary network known as the cosmic web. A more comprehensive understanding of galaxy clusters can be achieved by considering their environment, in โ€ฆ

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The Dependence of the Mean Spectral Energy Distributions on the Accretion Rate for Quasars with $z < 0.75$ from the Sloan Digital Sky Survey

Yan-Song Ma, Yu-Meng Guan, Jian-Xia Jiang, Shao-Jun Li, Xiang-Wei Ning, Yi Tang, Wei-Hao Bian (NJNU) ยท 2026

We construct mean spectral energy distributions (SEDs) for a substantial sample of 56,969 Sloan Digital Sky Survey DR16 quasars with $z < 0.75$, utilizing multiwavelength data from the mid-infrared (Mโ€ฆ

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KilonovaSCORER: Prior-Predictive Scoring of Kilonovae for Real-Time Multimessenger Follow-Up

P. Darc, C. D. Kilpatrick ยท 2026

Real-time ranking of optical transient candidates during gravitational-wave (GW) and multimessenger follow-up is challenging when only sparse early-time, multi-band photometry is available.We present โ€ฆ

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Anomalous Mean-Squared Displacement in Quantum Active Matter from a Wigner Phase-Space Framework

Sangyun Lee, Yehor Tuchkov, Alexander P. Antonov, Benno Liebchen, Hartmut Lowen, Giovanna Morigi, Michael te Vrugt ยท 2026

Active matter is driven out of equilibrium by a local influx of energy. While classical active matter has been extensively studied, the extension of active matter concepts to quantum systems has been โ€ฆ

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A homogeneous three-dimensional view of Molecular Cloud kinematics out to 2.5 kpc. Using Young Stellar Objects and Open Clusters as complementary tracers

Xabier Perez-Couto, Santiago Torres, Nuria Miret-Roig, Friedrich Anders, Alexander J. Mustill, Eva Villaver, Minia Manteiga ยท 2026

Understanding the large-scale dynamics of molecular clouds (MCs) is crucial for constraining the processes that govern star formation and the structure and evolution of the Galaxy. While gas tracers hโ€ฆ

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