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๐Ÿ” m. perelshtein ๐Ÿ“‚ Physics
Showing 74661 results for "m. perelshtein" in Physics
Physics Preprint PDF DOI

On the polarization position angle jumps in FRB 20240114A

Ninisha Manaswini, Dante M. Hewitt, Laura G. Spitler, Jason W. T. Hessels, Ramesh Karuppusamy, Jeff Huang, Pranav Limaye, Lucas Guillemot, Ismael Cognard ยท 2026

Fast radio bursts (FRBs), thought to originate from magnetars, exhibit diverse polarization properties that constrain their emission physics and local magneto-ionic environments. The polarization posiโ€ฆ

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Applications of 1.4 GHz diagnostics to Type Ia Supernova host galaxies

S. Ramaiya, M. J. Jarvis, M. Vincenzi, M. Sullivan, I. H. Whittam ยท 2026

Type Ia supernova (SN Ia) standardisation parameters exhibit evidence for systematic variation across the host galaxy star-formation rate - stellar mass (SFR$-M_\star$) plane, motivating the incorporaโ€ฆ

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Quantum integrable matrix models of spinor Bose gases in one spatial dimension

Hannes Koper, Thomas Gasenzer ยท 2026

Degenerate spinor Bose gases with repulsive density-density interaction and anti-ferromagnetic spin-spin coupling in one spatial dimension are shown to be described by a quantum integrable matrix exteโ€ฆ

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Some Properties and Uses of the Species Scale

Luis E. Ibanez ยท 2026

The 'Species Scale' has proved to be an important concept when studying consistent effective actions in Quantum Gravity. This is a short summary of my contribution to the Corfu Summer Institute in Sepโ€ฆ

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Hypergeometric Functions of Nilpotent Operators: Functional Collapse and Structural Depth at Exceptional Points

Ramon Moya ยท 2026

We study hypergeometric functions of nilpotent operators in finite-dimensional settings, motivated by the algebraic structure of exceptional points in non-Hermitian quantum mechanics. Our starting poiโ€ฆ

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TESS Asteroseismology of Red Giants in the Old Metal-Rich Open Clusters NGC 188 & NGC 6791

Madeline Howell, Jennifer A. Johnson, Marc H. Pinsonneault, Leslie M. Morales, Jamie Tayar, John D. Roberts, Dennis Stello, Madeleine McKenzie ยท 2026

Open clusters are fundamental laboratories for investigating stellar and Galactic evolution, and serve as important benchmarks for asteroseismic analyses. Using a boutique method to analyze TESS photoโ€ฆ

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Chirp-controlled plasma wake excitation by an exponential laser pulse in underdense plasma

Ajit Kumar Kushwaha, Dinkar Mishra, Shivani Aggarwal, Saumya Singh, Bhupesh Kumar ยท 2026

The excitation of plasma wakefields driven by chirped laser pulses is investigated using a reduced relativistic fluid Poisson model supported by fully relativistic particle in cell (PIC) simulations. โ€ฆ

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The second altermagnet candidate in organic conductors: $\kappa$-(BEDT-TTF)$_2$$m$-HOOCC$_6$H$_4$SO$_3$

Kohei Tokura, Takato Masuta, Kazushi Aoyama, Hiroki Akutsu, Yasuhiro Nakazawa, Scott S. Turner ยท 2026

We have developed a novel BEDT-TTF-based organic conductor, $\kappa$-(BEDT-TTF)$_2 m$-HOOCC$_6$H$_4$SO$_3$ ($\kappa$-$m$-SBA), and propose it as a candidate for altermagnet. Tight-binding band calculaโ€ฆ

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On the proposed concept of mechanical phasons in Ni-Mn-Ga modulated martensite

Petr Sedlak, Tomas Grabec, Hanus Seiner (Institute of Thermomechanics, Czech Academy of Sciences, Prague) ยท 2026

We discuss modulation phasons as a possible source of unusual elastic behavior of five-layer modulated (10\,M) martensite of the Ni-Mn-Ga shape memory alloy. This material exhibits anomalous macroscopโ€ฆ

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Conditional Generative Models Enable Targeted Exploration of MAX Phase Design Space

Jamie Swain, Cyprien Bone, Matthew T. Darby, Ewan Galloway, Keith T. Butler ยท 2026

MAX phases (M$_{n+1}$AX$_n$), precursors to MXenes, span a vast compositional space, motivating efficient computational screening for synthesisable candidates. We employ CrystaLLM$-\pi$, a large languโ€ฆ

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A Magnetically Switchable Bifocal Metasurface

Alberto Santonocito, Barbara Patrizi, Alessio Gabbani, Francesco Pineider, Guido Toci ยท 2026

Tunable flat optics are essential for advancing compact photonic devices. Here we show a numerical study of a reflective magneto-optical metasurface with a dynamically tunable focal length. The structโ€ฆ

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First Detection of Faraday Rotation in a Gamma-Ray Burst Afterglow: Low Polarization and High Rotation Measure in GRB 260310A Reveal Jet Magnetic Structure and Environment

Collin T. Christy, Tanmoy Laskar, Kate D. Alexander, Noah Franz, Jonathan Granot, Ryan Chornock, Raffaella Margutti, Ramandeep Gill, Jeniveve Pearson, Edo Berger, Wen-fai Fong, Coleman Rohde, Patricia Schady ยท 2026

We report the detection of linear polarization in the radio afterglow of GRB 260310A, representing the first centimeter-wavelength polarization detection of a gamma-ray burst (GRB) afterglow and the fโ€ฆ

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Fixed-PVM Born Rule Uniqueness from Fisher Non-Expansion and Operational Calibration

Aaron Lax ยท 2026

Fix a finite dimension $d \geq 2$ and a fixed rank-1 PVM $M=\{|e_1\rangle\langle e_1|,\ldots,|e_d\rangle\langle e_d|\}$ on ${\bf C}^d$. Let $P_M:\mathbb{CP}^{d-1}\to\Delta^{d-1}$ be a readout map on pโ€ฆ

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Active Galactic Nucleus Feedback in an Elliptical Galaxy. IV. The Importance of the Jet Wind Coupling

Minhang Guo, Feng Yuan, Suoqing Ji, Bocheng Zhu ยท 2026

This is the fourth paper of our series investigating the effects of active galactic nucleus (AGN) feedback in the evolution of an elliptical galaxy using the {\it MACER} framework. While previous workโ€ฆ

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VBr >10 kV E-Beam/Sputtered Vertical NiOx/(011) \beta-Ga2O3 HJDs with PFOM >2.3 GW/cm2

Yizheng Liu, Carl Peterson, Chinmoy Nath Saha, Marko J. Tadjer, Sriram Krishnamoorthy ยท 2026

Beta-gallium oxide (\beta-Ga2O3) holds enormous potential for medium voltage range power electronic applications. This work reports VBr > 10 kV/Ron,sp = 43 m\Omega*cm2 class edge terminated vertical hโ€ฆ

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Iron He-triplet signatures of shocks in the hottest galaxy clusters. Z/W line ratio, line broadening, and electron-ion temperature equilibration

Eugene Churazov, Yuri Ralchenko, Ildar I. Khabibullin, John C. Raymond, Annie Heinrich, Irina Zhuravleva, Reinout J. van Weeren, Congyao Zhang ยท 2026

A merger of clusters naturally drives shocks with Mach number $\mathscr{M}\lesssim 3$ in the intra-cluster medium (ICM). This process creates several distinct signatures, including sharp surface brighโ€ฆ

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Enhanced stability from co-resonant cavities in a monolithic array

Alexandra Crawford, Jacob Williamson, Robert Leonard, Ce Pei, Aniruddha Bhattacharya, Meagan Plummer, Seth Hyra, Spencer Olson, Chandra Raman ยท 2026

We demonstrate a micro-Fabry-P\'erot cavity array through laser etching of high-surface-quality mirrors onto a single fused silica substrate. A cavity finesse of $4750\pm 200$ was achieved with a simpโ€ฆ

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Orbital Data Centers: Spacecraft Constraints and Economic Viability

Slava G. Turyshev ยท 2026

Orbital data centers are being evaluated as solar-powered compute constellations and relay-integrated processing platforms. Their feasibility is not set by orbital solar flux alone, but by simultaneouโ€ฆ

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Agnostically decoding gravitational wave model deficiencies in GWTC-3

Guillaume Dideron, Suvodip Mukherjee, Luis Lehner ยท 2026

Gravitational Wave (GW) data bring an exceptional avenue to test the underlying models of coalescing compact objects. In the regime of strong gravity and high curvature, they allow the exploration of โ€ฆ

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CORINOS V: Radiative transfer effects in protostellar ice observations

Will E. Thompson, Jennifer B. Bergner, Neal J. Evans II, Yao-Lun Yang, Vincent Kreft, Lenore Anderson, Klaus M. Pontoppidan, L. Ilsedore Cleeves, Ewine F. van Dishoeck, Rachel E. Gross, Jeong-Eun Lee, Melissa K. McClure, Nami Sakai, Katerina Slavicinska ยท 2026

Recent observations of protostars with the James Webb Space Telescope have revealed unprecedented chemical complexity from their ice absorption features. However, these spectra are likely influenced bโ€ฆ

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