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๐Ÿ” igor steinmacher ๐Ÿ“‚ Physics
Showing 724 results for "igor steinmacher" in Physics
Physics Preprint PDF DOI

Defect-Adaptive Lattice Surgery on Irregular Boundary Surface-Code Patches

GunSik Min, Yujin Kang, Jun Heo ยท 2026

Defect-adaptive surface-code methods have substantially advanced the construction of valid logical patches on imperfect hardware, but fault-tolerant computation also requires executable logical oper aโ€ฆ

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Physics Preprint PDF DOI

Core Collapse Supernova Modeling: The Next Ten Years

Anthony Mezzacappa ยท 2026

Core collapse supernova modeling has advanced considerably since the first numerical simulations were performed sixty years ago. In particular, the last decade has brought us sophisticated three-dimenโ€ฆ

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A newly born spider system at the core of a radio shell: Evidence for a low-energy supernova

S. Lazarevic, R. Brose, L. M. Oskinova, M. Chernyakova, S. Dai, O. Kargaltsev, S. Freund, C. Maitra, M. D. Filipovic, P. G. Edwards, I. El Mellah, Z. Guo, J. Osses, B. van Soelen, S. B. Potter, R. Kothes, G. P. Rowell, V. Velovic, A. Ahmad, B. D. Ball, C. Burger-Scheidlin, T. J. Galvin, Y. A. Gordon, A. M. Hopkins, D. Leahy, J. Pritchard, J. West ยท 2026

In a search for low surface brightness radio nebulae using the ASKAP-EMU survey, we discovered a faint radio shell, G289.6+5.8, and its central point radio source at the position of the soft gamma-rayโ€ฆ

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Physics Preprint PDF DOI

MF-toolkit: A High-Performance Python Library for Multifractal Analysis with Automated Crossover Detection, Source Identification and Application to Gravitational Waves Data

Nahuel Mendez, Maria Cristina Mariani Maria Pia Beccar-Varela, Osei Tweneboah, Sebastian Jaroszewicz ยท 2026

Multifractal Detrended Fluctuation Analysis (MFDFA) is a powerful and widely used technique for characterizing the scaling properties and long-range correlations of complex time series. However, its aโ€ฆ

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Physics Preprint PDF DOI

Oxophilic Silver-Based Nanoparticles with Low Pd-Au Loading for Ethanol and Glycerol Electrooxidation in Alkaline Media

Tuani Carla Gentil, Camilo Andrea Angelucci, Bruno Lemos Batista, Camila Neves Lange, Handro S. N. Lourenco, Mauro Coelho dos Santos, Vinicius Del Colle, Germano Tremiliosi-Filho ยท 2026

The electrocatalytic activity of oxophilic Ag nanoparticles, combined with small amounts of Pd and Au, was investigated for ethanol oxidation reactions (EOR) and glycerol oxidation reactions (GOR) in โ€ฆ

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Physics Preprint PDF DOI

Exact Gravastar Solution

Farook Rahaman, Bikramarka S. Choudhury, Aritra Sanyal, Anikul Islam, Bidisha Samanta ยท 2026

Astrophysical black holes arise as exact solutions of the Einstein field equations. Therefore, any alternative, such as a gravastar, must satisfy the same level of mathematical rigor and internal consโ€ฆ

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Physics Preprint PDF DOI

Setting SAIL: Leveraging Scientist-AI-Loops for Rigorous Visualization Tools

Nico Schuster, Andres N. Salcedo, Simon Bouchard, Dennis Frei, Alice Pisani, Julian E. Bautista, Julien Zoubian, Stephanie Escoffier, Wei Liu, Georgios Valogiannis, Pauline Zarrouk ยท 2026

Scientists across all disciplines share a common challenge: the divide between their theoretical knowledge and the specialized skills and time needed to build interactive tools to communicate this expโ€ฆ

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Is Time Reversal in de Sitter Space a Spontaneously Broken Gauge Symmetry?

Leonard Susskind ยท 2026

I'll begin with some well-deserved acknowledgements: I am grateful to Daniel Harlow for discussions of time-reversal holonomies. I have also benefited from a long ongoing correspondence with Edward Wiโ€ฆ

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Physics Preprint PDF DOI

IGR J12580+0134: A Candidate for Repeating Partial Tidal Disruption Events Supported by Multi-Wavelength Observations

Po Ma, Shao-Yu Fu, Linhui Wu, Wei-Hua Lei, Qiang Yuan ยท 2026

Repeating partial tidal disruption events (pTDEs) provide a direct probe of stellar orbits and episodic mass loss around supermassive black holes, but robust identification requires multi-band and mulโ€ฆ

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Physics Preprint PDF DOI

Projection-Based Memory Kernel Coupling Theory for Quantum Dynamics: A Stable Framework for Non-Markovian Simulations

Wei Liu, Rui-Hao Bi, Yu Su, Limin Xu, Zhennan Zhou, Yao Wang, Wenjie Dou ยท 2026

We present a projection-based, stability-preserving methodology for computing time correlation functions in open quantum systems governed by generalized quantum master equations with non-Markovian effโ€ฆ

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Questioning the reasonableness of the quantum nonlocality debate

Justo Pastor Lambare ยท 2026

We critically discuss the apparent lack of logical rigor pervading the debate on quantum nonlocality. Strong convictions often prevail over rational assessment, leading to the acceptance of loose ideaโ€ฆ

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Quantum Computing for Electronic Circular Dichroism Spectrum Prediction of Chiral Molecules

Amandeep Singh Bhatia, Sabre Kais ยท 2026

Electronic circular dichroism (ECD) spectroscopy captures the chiroptical response of molecules, enabling absolute configuration assignment that is vital for enantioselective synthesis and drug designโ€ฆ

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Metrology-grade mid-infrared spectroscopy for multi-dimensional perception

Baoqi Shi, Chenxi Zhang, Ming-Yang Zheng, Yue Hu, Zeying Zhong, Zhenyuan Shang, Wenbo Ma, Xiu-Ping Xie, Xue Bai, Yi-Han Luo, Anting Wang, Hairun Guo, Qiang Zhang, Junqiu Liu ยท 2026

The mid-infrared spectral window is essential for molecular fingerprinting and atmospheric sensing, yet unlocking its full potential is currently constrained by a fundamental instrumental trade-off: eโ€ฆ

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Physics Preprint PDF DOI

The Soul of Waves: Physical Interpretation of Dispersion Relations

Renato Vieira dos Santos ยท 2026

This pedagogical paper presents a comprehensive framework for interpreting dispersion relations across fundamental physical systems. We adopt a novel approach that starts from the mathematical form $\โ€ฆ

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Exotic optical variability in the black hole X-ray binary IGR J17091-3624

Payaswini Saikia, David M. Russell, D. M. Bramich, Kevin Alabarta, Sandeep Rout, Federico Vincentelli, Mariano Mendez, Diego Altamirano, Federico Garcia, M. C. Baglio, Fraser Lewis, Yi-Jung Yang ยท 2026

IGR J17091-3624 is a distinctive black hole X-ray binary exhibiting exotic variability, including complex "heartbeat" oscillations in its X-ray light curves, similar to those observed in GRS 1915+105,โ€ฆ

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Plasma-Enhanced Germination in North Indian Wheat

Punit Kumar, Abhishek Kumar Singh, Priti Saxena ยท 2026

The application of nonthermal plasma in agriculture has emerged as a sustainable and eco-friendly method to enhance seed vigor, germination, and crop productivity. This study investigates the effects โ€ฆ

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Rigorous phase-error-estimation security framework for QKD with correlated sources

Guillermo Curras-Lorenzo, Margarida Pereira, Kiyoshi Tamaki, Marcos Curty ยท 2026

Practical QKD modulators introduce correlations between consecutively emitted pulses due to bandwidth limitations, violating key assumptions underlying many security proof techniques. Here, we addressโ€ฆ

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Radial differential rotation leading to dipole collapse in pre-main-sequence stars

A. Guseva, L. Manchon, L. Petitdemange, C. Pincon ยท 2026

Despite progress in the observations of stellar magnetic fields, their physical mechanisms remain poorly understood. During the pre-main sequence (PMS) phase, the inner layers of stars contract and a โ€ฆ

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Instanton theory and fluctuation corrections to the thermal nucleation rate of a ferromagnetic superfluid

Enrique Rozas Garcia, Johannes Hofmann ยท 2025

We provide a field-theoretical description of thermal nucleation in a one-dimensional ferromagnetic superfluid, a quantum-gas analogue of false-vacuum decay. The rate at which ground-state domains nucโ€ฆ

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Benchmarking Atomic Ionization Driven by Strong Quantum Light

Yi-Jia Mao, En-Rui Zhou, Yang Li, Pei-Lun He, Feng He ยท 2025

The recently available high-intensity quantum light pulses provide novel tools for controlling light-matter interactions. However, the rigor of the theoretical frameworks currently used to describe thโ€ฆ

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