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๐Ÿ” m. d. atkinson ๐Ÿ“‚ Physics
Showing 143843 results for "m. d. atkinson" in Physics
Physics Preprint PDF DOI

Covariant Locally Localized Gravity and vDVZ Continuity

Hao Geng, Moritz Merz, Lisa Randall ยท 2026

The Karch-Randall braneworld concerns the physics of an AdS$_{d}$ brane embedded in an ambient gravitational AdS$_{d+1}$ spacetime. The gravitational theory induced on the AdS$_{d}$ brane has a very lโ€ฆ

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Intrinsic anomalous thermal hall effect as a signature of quantum metric in d-wave altermagnets

Rishi G. Gopalakrishnan, Srimayi Korrapati, Sumanta Tewari ยท 2026

We investigate the intrinsic anomalous thermal Hall effect in d-wave altermagnets, where a transverse heat current is generated by a longitudinal temperature gradient in the absence of a magnetic fielโ€ฆ

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From Narrow-gap Semiconductor to Metallic Altermagnet: Optical Fingerprints of Co-Doped FeSb$_2$

R. Mathew Roy, M. Povolotskiy, J. Kirschke, C. Prange, Y. Xia, V. Sundaramurthy, P. Puphal, M. Pinteric, M. van de Loo, A. Kreyssig, T. Zhang, A. E. Bohmer, M. Dressel, M. Wenzel ยท 2026

The realization of bulk metallic altermagnetism has remained elusive despite the growing number of candidate materials. Here, we present evidence that moderate cobalt substitution ($\sim$15%) drives tโ€ฆ

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Giant Spin Magnetization from Quantum Geometry in Altermagnets

Neelanjan Chakraborti, Sudeep Kumar Ghosh, Snehasish Nandy ยท 2026

Altermagnets host spin-split band structures while exhibiting vanishing equilibrium spin magnetization, making field-induced responses a direct probe of their quantum geometry. A central question, in โ€ฆ

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Order by disorder up to arbitrarily high temperature

Ravish Mehta ยท 2026

We prove that a class of classical lattice models on $\mathbb{Z}^d$ ($d \geq 2$) with on-site space $\mathbb{N}_0$ exhibits long-range checkerboard order at sufficiently high temperature. The model haโ€ฆ

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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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Chiral Symmetry and Its Restoration in QCD

Teiji Kunihiro ยท 2026

Starting with describing the Dirac equation in an unconventional manner, we introduce the notion of chirality and show how chiralities are mixed in the massive Dirac particles.Then we discuss the apprโ€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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Couch-Torrence conformal inversion, supersymmetry and conserved charges for D3-branes

Mohammad Akhond, Massimo Bianchi, Antonio Cristofaro, Fabio Riccioni ยท 2026

An asymptotically flat spacetime in $D=4$ can be mapped via Couch-Torrence conformal inversion to the geometry around an extremal non-expanding and non-rotating horizon. At the linearized level, an inโ€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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Strangeness enhancement in pp collisions from string closepacking in Pythia 8.3

Javira Altmann, Lorenzo Bernardinis, Peter Skands, Valentina Zaccolo ยท 2026

Measurements at LHC show an increased production of strange hadrons with charged multiplicity in pp collisions, which is not described by the Lund String Model (with the Monash tune) implemented in PYโ€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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Probing Near-Threshold $s$-Wave Components in Heavy Nuclei via Coulomb-Assisted Neutron Transfer

Yuki Nakanishi, Junki Tanaka, Atsushi Tamii, Shimpei Endo ยท 2026

We propose a method to probe weakly bound s-wave neutron components near the neutron emission threshold in heavy nuclei using Coulomb-assisted neutron transfer reactions. Weakly bound s-wave neutrons โ€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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