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๐Ÿ” ansar javed ๐Ÿ“‚ Physics
Showing 413 results for "ansar javed" in Physics
Physics Preprint PDF DOI

Fe3O4 nano-octahedra and SnO2 nanorods modifying low-Pd amount electrocatalysts for alkaline direct ethanol fuel cells

Tuani C. Gentil, Lanna E.B. Lucchetti, Joao Paulo C. Moura, Julio Cesar M. Silva, Maria Minichov, Valentin Briega-Martos, Aline B. Trench, Bruno L. Batista, Serhiy Cherevko, Mauro C. Santos ยท 2026

This work describes the ethanol oxidation reaction (EOR) in alkaline medium using low-palladium nanoparticle electrocatalysts modified by Fe3O4 nano-octahedra and SnO2 nanorods. Operation studies on aโ€ฆ

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Can LLMs Produce Original Astronomy Research in a Semester? A Graduate Class Experiment

Ann Zabludoff, Chen-Yu Chuang, Parker Thomas Johnson, Yichen Liu, Brina Bianca Martinez, Neev Shah, Lucille Steffes, Gabriel Glen Weible ยท 2026

We discuss the results of using large language models (LLMs) to conduct original scientific research in an unfamiliar subject area during the Fall 2025 semester. Students in a graduate astronomy and aโ€ฆ

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Real-Time Wiener Deconvolution for feature reconstruction in JUNO

L. Lastrucci, M. Grassi, A. Triossi, J. Hu, X. Jiang, R. Brugnera, A. Garfagnini, V. Cerrone, L. V. D'Auria, A. Gavrikov, R. M. Guizzetti, A. Serafini, G. Andronico, V. Antonelli, A. Barresi, D. Basilico, M. Beretta, A. Bergnoli, M. Borghesi, A. Brigatti, R. Bruno, A. Budano, B. Caccianiga, A. Cammi, R. Caruso, D. Chiesa, C. Clementi, C. Coletta, S. Dusini, A. Fabbri, G. Felici, G. Ferrante, M. G. Giammarchi, N. Giudice, N. Guardone, F. Houria, A. Islam, C. Landini, I. Lippi, L. Loi, P. Lombardi, F. Mantovani, S. M. Mari, A. Martini, L. Miramonti, M. Montuschi, M. Nastasi, D. Orestano, F. Ortica, A. Paoloni, L. Pelicci, E. Percalli, F. Petrucci, E. Previtali, G. Ranucci, A. C. Re, B. Ricci, A. Romani, C. Sirignano, M. Sisti, L. Stanco, E. Stanescu Farilla, V. Strati, M. D. C. Torri, C. Tuve, C. Venettacci, G. Verde, L. Votano, G. Dong, J. Dong, L. Fan, S. Hou, Z. Ning, Y. Sun, Y. Wang, Z. Wang, X. Yan ยท 2026

In particle physics, experiments generate substantial amounts of data that can be difficult to process without preliminary scaling. To avoid losing potentially crucial data, experimental collaborationโ€ฆ

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Numerical field optimization for enhanced efficiency in time-reversible gradient computation of open-source GPU-accelerated FDTD simulations

Yannik Mahlau, Lukas Berg, Bodo Rosenhahn ยท 2026

Finite-difference time-domain (FDTD) simulations often involve physical quantities spanning multiple orders of magnitude, such as the speed of light or electromagnetic field amplitudes. The standard pโ€ฆ

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Optimizing Logical Mappings for Quantum Low-Density Parity Check Codes

Sayam Sethi, Sahil Khan, Maxwell Poster, Abhinav Anand, Jonathan Mark Baker ยท 2026

Early demonstrations of fault tolerant quantum systems have paved the way for logical-level compilation. For fault-tolerant applications to succeed, execution must finish with a low total program erroโ€ฆ

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ELUCID-DESI I: A Parallel MPI Implementation of the Initial Condition Solver for Large-Scale Reconstruction Simulations

Wensheng Hong, Xiaohu Yang, Junde Li, Huiyuan Wang, Zhao Chen, Hong-Ming Zhu, Qingyang Li, Yizhou Gu, Youcai Zhang, Feng Shi, Jiaxin Han, Yu Yu, Zhongxu Zhai ยท 2026

We present a highly scalable, MPI-parallelized framework for reconstructing the initial cosmic density field, designed to meet the computational demands of next-generation cosmological simulations, paโ€ฆ

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Practical continuous-variable quantum key distribution using dynamic digital signal processing: security proof and experimental demonstration

Lu Fan, Zhengyu Li, Sheng Liu, Xuesong Xu, Tianyu Zhang, Jiale Mi, Dong Wang, Dechao Zhang, Han Li, Song Yu, Yichen Zhang ยท 2026

Digital signal processing technology has paved the way for the realization of high-speed continuous-variable quantum key distribution systems. However, existing security proofs are limited to static dโ€ฆ

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The Methodology and Implementation of a Real Time Monitoring System for Cryogenic Fridges

Tabitha Esposito, Chloe Greenstein, Danielle Speller ยท 2026

Inspired by the dilution refrigerator and magnet monitoring system developed for HAYSTAC at Yale University, Speller Lab at Johns Hopkins University developed the Fridge Real Time Monitoring System (Fโ€ฆ

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First observation of the $\gamma$-ray beam production by the backward Compton scattering of extreme ultraviolet light emitted from an undulator

Norihito Muramatsu, Manabu Miyabe, Masahiro Okabe, Schin Date, Tetsuo Harada, Kazuhiro Kanda, Shuji Miyamoto, Haruo Ohkuma, Hajime Shimizu, Shinsuke Suzuki, Atsushi Tokiyasu ยท 2026

Compton scattering of photons off high-energy electrons is a fundamental quantum mechanical process widely utilized to produce a $\gamma$-ray beam for scientific research. Instead of injecting laser lโ€ฆ

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Physics Preprint PDF DOI

Long Range Outlook for Short-Range Correlations

Nadia Fomin, Or Hen, Julian Kahlbow, Dien Nguyen, Jackson Pybus, Noemi Rocco, Misak Sargsian, Sandra Nathaly Santiesteban, Ronen Weiss, Douglas W. Higinbotham, Lawrence Weinstein, Devi Adhikari, Hisham Albataineh, Massimiliano Alvioli, Lorenzo Andreoli, John Arrington, Carlos Ayerbe Gayoso, A.B. Balantekin, Carlos Bertulani, Hem Bhatt, Sudip Bhattarai, William J. Briscoe, Sayak Chatterjee, Hector Chinchay, E. O. Cohn, Wim Cosyn, Silviu Covrig Dusa, Natalya Dashyan, Bhesha Raj Devkota, Meytal Duer, Burcu Duran, Mostafa Elaasar, Cristiano Fanelli, Muhammad Farooq, Ishara P. Fernando, Caleb Fogler, Filippo Fornetti, Tobias Frederico, Daniel Galaviz, Dave Gaskell, Prakassh Gautam, Probir Ghoshal, Tyler J. Hague, Jens-Ole Hansen, Florian Hauenstein, Chueng-Ryong Ji, H. S. Jo, Muhammad Junaid, Dustin Keller, T. V. Kolar, Igor Korover, Andrea Lagni, Chhetra Lama, Shujie Li, Valery E. Lyubovitskij, Ralph Marinaro III, Malek Mazouz, Michael McCaughan, Bryan McKinnon, Gerald Miller, Taya Mineeva, Arthur Mkrtchyan, Hamlet Mkrtchyan, Peter Monaghan, Casey Morean, Sooriyaarachchilage Aruni Nadeeshani, Gunawardhana Waduge Nuwan Chaminda, Emanuele Pace, Bishnu Pandey, Valerii Panin, Parshkin, Igor, Stefanos Paschalis, Saori Pastore, Maria Patsyuk, Churamani Paudel, Marina Petri, Eliazer Piasetzky, Jiwan Poudel, Hang Qi, Sagar Regmi, Matteo Rinaldi, Jose Luis Rodriguez-Sanchez, Dmitry Romanov, Giovanni Salme, Axel Schmidt, Mitra H. Shabestari, Albert Shahinyan, Abhyuday Sharda, Alexander Somov, Igor Strakovsky, Holly Szumila-Vance, V. Tadevosyan, Buddhiman Tamang, Hakob Voskanyan, Ron Wagner, Uditha Weerasinghe, Natalie Wright, E. A. Wrightson, Manuel Xarepe, Zhihong Ye, Bo Yu ยท 2026

Short range correlated (SRC) N N pairs are pairs of nucleons with high relative momentum (prel > kF where kF ~ 250 MeV/c is the Fermi momentum in medium to heavy nuclei) and lower center of mass momenโ€ฆ

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Geese achieve stationary takeoff via synergistic wing kinematics and enhanced aerodynamics

Jinpeng Huang, Yang Xiang, Lunbing Chen, Suyang Qin, Jixin Lu, Sen Ye, Yong Chen, Hong Liu ยท 2025

Stationary take-off, without a running start or elevated descent, requires substantial aerodynamic forces to overcome weight, particularly for large birds such as geese exceeding 2 kg. However, the coโ€ฆ

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Comment on: "Scaling and Universality at Noisy Quench Dynamical Quantum Phase Transitions"

J. Sirker ยท 2025

In Ref. Ansari et al., dynamical quantum phase transitions (DQPTs) -- non-analyticities in the Loschmidt return rate at critical times -- are investigated in the presence of noise for a two-band modelโ€ฆ

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Echoes of the First Stars: Massive Star Evolution in Extremely Metal-Poor Environments with the Habitable Worlds Observatory

Peter Senchyna, Calum Hawcroft, Miriam Garcia, Aida Wofford, Janice C. Lee, Chris Evans ยท 2025

A remarkable span of frontier astrophysics, from gravitational-wave archaeology to the origin of the elements to interpreting snapshots of the earliest galaxies, depends sensitively on our understandiโ€ฆ

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Spin-Valley Anderson Impurity for Moir\'e Systems: Fermi Liquid, Pairing, and Pseudogap

Yi-Jie Wang, Geng-Dong Zhou, Hyunsung Jung, Seongyeon Youn, Seung-Sup B. Lee, Zhi-Da Song ยท 2025

Recent experiments support that the magic-angle graphene can be modeled by a periodic array of correlated quantum impurities, immersed in a Dirac sea. This work analytically tackles a spin-valley Andeโ€ฆ

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Reply to Hofer-Szab\'o: the PBR theorem hasn't been saved

Marcoen JTF Cabbolet ยท 2025

Recently, in Found. Phys. 53: 64 (2023), it has been argued that there is no reality to the PBR theorem. In Found. Phys. 54: 36 (2024), Hofer-Szab\'o has commented that the argument is flawed and thatโ€ฆ

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Fast and compact time-resolved spectroscopy enabled by Quantum Walk Combs

Ina Heckelmann, Davide Pinto, Uwe Schmitt, Mattias Beck, Jerome Faist ยท 2025

Optical frequency combs paved the way for fast and compact multi-component optical chemical analysis due to their broadband spectra. Dual-comb spectrometers embody this technology, but their design reโ€ฆ

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Experimental dataset from BESIII detector at Beijing electron positron collider

Minghua Liao, Jianshu Liu, Xinnan Wang, Shengsen Sun, Zhengyun You ยท 2025

In the BESIII detector at Beijing electron positron collider, billions of events from $e^+e^-$ collisions were recorded. These events passing through the trigger system were saved in raw data format fโ€ฆ

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Femtojoule-per-operation photonic computer for the subset sum problem

Tian-Yu Zhang, Xiao-Yun Xu, Wen-Hao Zhou, Xiao-Wei Wang, Chu-Han Wang, Yi-Jun Chang, Ying-Yue Yang, Jie Ma, Ka-Di Zhu, Xian-Min Jin ยท 2025

Energy-efficient computing is becoming increasingly important in the information era. However, electronic computers with von Neumann architecture can hardly meet the challenge due to the inevitable enโ€ฆ

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Nonlinear periodic orbit solutions and their bifurcation structure at the origin of soliton hopping in coupled microresonators

Savyaraj Deshmukh, Aleksandr Tusnin, Alexey Tikan, Tobias J. Kippenberg, Tobias M. Schneider ยท 2025

Microresonator frequency combs, essential for future integrated optical systems, rely on dissipative Kerr solitons generated in a single microresonator to achieve coherent frequency comb generation. Rโ€ฆ

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Measuring the Magnetic Field of a Coronal Mass Ejection from Low to Middle Corona

Xingyao Chen, Bin Chen, Sijie Yu, Surajit Mondal, Muriel Zoe Stiefel, Peijin Zhang, Dale E. Gary, Sam Krucker, Marin M. Anderson, Judd D. Bowman, Ruby Byrne, Morgan Catha, Sherry Chhabra, Larry D'Addario, Ivey Davis, Jayce Dowell, Gregg Hallinan, Charlie Harnach, Greg Hellbourg, Jack Hickish, Rick Hobbs, David Hodge, Mark Hodges, Yuping Huang, Andrea Isella, Daniel C. Jacobs, Ghislain Kemby, John T. Klinefelter, Matthew Kolopanis, Nikita Kosogorov, James Lamb, Casey J Law, Nivedita Mahesh, Brian O'Donnell, Kathryn Plant, Corey Posner, Travis Powell, Vinand Prayag, Andres Rizo, Andrew Romero-Wolf, Jun Shi, Greg Taylor, Jordan Trim, Mike Virgin, Akshatha Vydula, Sandy Weinreb, David Woody ยท 2025

A major challenge in understanding the initiation and evolution of coronal mass ejections (CMEs) is measuring the magnetic field of the magnetic flux ropes (MFRs) that drive CMEs. Recent developments โ€ฆ

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