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๐Ÿ” kenneth johnson ๐Ÿ“‚ Physics
Showing 1720 results for "kenneth johnson" in Physics
Physics Preprint PDF DOI

Local Current Algebra for the HK Universality Class

Yuting Bai, Philip W. Phillips ยท 2026

We show that a Hamiltonian in terms of the local real-space currents obeying an $\mathfrak{su}_1(2)$ affine Lie algebra eliminates the non-locality in the Hatsugai-Kohmoto model for a doped Mott insulโ€ฆ

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Physics Preprint PDF DOI

SVOM/VT: Preliminary Calibration Analysis

Zhu-Heng Yao, Yu-Lei Qiu, Jin-Song Deng, Li-Ping Xin, Chao Wu, Hua-Li Li, Jing Wang, Yi-Nuo Ma, Hong-Bo Cai, Xu-Hui Han, Jian-Yan Wei, Betrand Cordier ยท 2026

We present the in-orbit calibration of the Visible Telescope (VT), one of the key instruments aboard the Space Variable Objects Monitor (SVOM) mission for gamma-ray burst (GRB) studies. Using Gaia Datโ€ฆ

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Physics Preprint PDF DOI

Decoherence Mitigation with Local NOT Gates in Multipartite Systems

Venkat Abhignan, Raghav Sundararaman, Shriram Pragash M, R. Srikanth, Ashutosh Singh ยท 2026

We study the entanglement dynamics of $n=2,3,4$-qubit Bell- and GHZ-type states under an amplitude-damping channel (ADC). We quantify multipartite entanglement using the genuine multipartite concurrenโ€ฆ

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Physics Preprint PDF DOI

Carrollian quantum states and flat space holography

Stefan Fredenhagen, Stefan Prohazka, Robert Tiefenbacher ยท 2026

We study free Carrollian quantum field theories from an algebraic perspective and explore their implications for flat space holography. As explicit examples, we construct the electric and magnetic Carโ€ฆ

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Physics Preprint PDF DOI

Impact of Photoelectric Readout Noise on Magnetic Field Sensitivity of NV Centers in Diamond

Ilia Chuprina, Genko Genov, Christoph Findler, Johannes Lang, Petr Siyushev, Fedor Jelezko ยท 2026

Nitrogen-vacancy (NV) centers in diamond are of great interest for nano- and macro-scale magnetic field sensing. Most sensing protocols rely on conventional optical readout, which is limited by photonโ€ฆ

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Physics Preprint PDF DOI

Fluctuations in Aharonov-Bohm Electrodynamics

F. Minotti, G. Modanese ยท 2026

We consider the application of the Fluctuation Dissipation Theorem (FDT) to the electrodynamics of Aharonov-Bohm (ABE), which differs from Maxwell's in that it allows for local non-conservation of chaโ€ฆ

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Physics Preprint PDF DOI

The effects of dispersion damping and three-body interactions for accurate layered-material exfoliation energies

Adrian F. Rumson, Kyle R. Bryenton, Erin R. Johnson ยท 2026

Accurate predictions of exfoliation energies and lattice constants of layered materials hinge on a correct description of London dispersion physics. Modern a posteriori dispersion corrections in densiโ€ฆ

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Physics Preprint PDF DOI

Optoelectronic and Thermoelectric Properties of High-Performance AlSb Semiconductors

Dilshod Nematov, Amondulloi Burkhonzoda, Iskandar Raufov, Sherali Murodzoda, Saidjafar Murodzoda, Sakhidod Sattorzoda, Anushervon Ashurov, Makhsud Barot Islomzoda, Kholmirzo Kholmurodov ยท 2026

This study presents a comprehensive first-principles investigation of the optoelectronic and thermoelectric properties of aluminum antimonide (AlSb) in its cubic (F-43m) and hexagonal (P63mc) phases. โ€ฆ

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Kinetics studies on $\kappa$ to $\beta$-Ga$_2$O$_3$ phase transformations via in-situ high temperature X-ray diffraction

Jingyu Tang, Po-Sen Tseng, Kunyao Jiang, Rachel C. Kurchin, Robert F. Davis, Lisa M. Porter ยท 2026

The kinetics of the $\kappa$ to $\beta$-Ga$_2$O$_3$ phase transformation were investigated in five batches of nominally phase-pure $\kappa$-Ga2O3 thin films heteroepitaxially grown on c-plane sapphireโ€ฆ

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From Paper to Program: Accelerating Quantum Many-Body Algorithm Development via a Multi-Stage LLM-Assisted Workflow

Yi Zhou ยท 2026

Large language models (LLMs) can generate code rapidly but remain unreliable for scientific algorithms whose correctness depends on structural assumptions rarely explicit in the source literature. We โ€ฆ

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Physics Preprint PDF DOI

Period-Luminosity Relations, projection factor and radii of Anomalous Cepheids

Piotr Wielgorski, Grzegorz Pietrzynski, Wolfgang Gieren, Bartlomiej Zgirski, Weronika Narloch, Gergely Hajdu, Jesper Storm, Nicolas Nardetto, Pierre Kervella, Bogumi{l} Pilecki, Marek Gorski, Rados{l}aw Smolec, Ricardo Salinas, Dariusz Graczyk, Vincent Hocde, Paulina Karczmarek, Monica Taormina, Wojciech Pych, Henryka Netzel, Rolf Chini, Klaus Hodapp, Miko{l}aj Ka{l}uszynski, Francisco Pozo Nunez, Krzysztof Kotysz, Dawid Mozdzierski, Przemys{l}aw Miko{l}ajczyk, Piotr Ko{l}aczek-Szymanski ยท 2026

Anomalous Cepheids are radially pulsating stars observed in dwarf galaxies, the Galactic bulge and halo, and globular clusters. Similarly to other radially pulsating stars, they can be used as distancโ€ฆ

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Bright Spot Characterization of Low dI/dt X-pinch Plasmas using Soft X-ray Spectroscopy with Bennett Relation

YeongHwan Choi, Muhyeop Cha, Hakmin Lee, Hsiao-Chien Chi, Seongmin Choi, Seungmin Bong, Seonghun Jeon, Ookjin Choi, Young-chul Ghim, Yong-Seok Hwang, Kyoung-Jae Chung ยท 2026

This study investigates the characteristics of X-pinch plasmas driven under low current rise rate ($dI/dt$) conditions using soft x-ray spectroscopy combined with the Bennett relation. X-pinch experimโ€ฆ

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Neural operator accelerated atomistic to continuum concurrent multiscale simulations of viscoelasticity

Tanvir Sohail, Burigede Liu, Swarnava Ghosh ยท 2026

We present a neural-operator-accelerated concurrent multiscale framework that couples atomistic simulations with continuum finite-element analysis for history-dependent materials, thereby making atomiโ€ฆ

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Hong-Ou-Mandel test to verify indistinguishability of the states emitted from a quantum key distribution transmitter implementing decoy Bennett-Brassard 1984 protocol

Toshiya Tajima, Akihisa Tomita, Atsushi Okamoto ยท 2026

Quantum Key Distribution (QKD) systems require rigorous verification of device properties to ensure implementation security. A critical requirement is the indistinguishability of transmitted pulses enโ€ฆ

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Weighted Nested Commutators for Scalable Counterdiabatic State Preparation

Jialiang Tang, Xi Chen, Zhi-Yuan Wei ยท 2026

Counterdiabatic (CD) driving enables efficient quantum state preparation, but it requires implementing highly nonlocal adiabatic gauge potentials (AGP) that are impractical to compute and realize in lโ€ฆ

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Sparse M\"untz--Sz\'asz Recovery for Boundary-Anchored Velocity Profiles: A Short-Record Roughness Diagnostic in Turbulence

D Yang Eng ยท 2026

We present a sparse convex-relaxation framework for estimating effective local scaling exponents from short boundary-anchored velocity-increment profiles ($N\approx40$). The detector solves an $\ell_1โ€ฆ

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SS Cygni: An analysis of quasi-periodic oscillations in the range of 0.25h to 8h

Ian D Sharp ยท 2026

Presented here is an analysis of over 66,000 magnitude measurements, made by the author, of the cataclysmic variable SS Cygni in two photometric filters (Cousins R and Johnson V). This large number ofโ€ฆ

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Quantum Entanglement Assistance Improves the Capacity and Activates the Zero-Error Capacity of Classical Channels with Causal CSIT

Yuhang Yao, Syed A. Jafar ยท 2026

For classical point-to-point channels, it has been shown by Bennett et al. that quantum entanglement assistance cannot improve their capacity, and by Cubitt et al. that entanglement assistance cannot โ€ฆ

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Rapid Neural Network Prediction of Linear Block Copolymer Free Energies

Ian Chen, Alfredo Alexander-Katz ยท 2026

Free energies are fundamental quantities governing phase behavior and thermodynamic stability in polymer systems, yet their accurate computation often requires extensive simulations and post-processinโ€ฆ

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Quasiparticle properties below coherence onset in YbAl3 nanostructures

Dale T. Lowder, Gage Eichman, Yuxin Wan, Karthik Rao, Ruiwen Xie, Hongbin Zhang, Debjoty Paul, Shouvik Chatterjee, Darrell G. Schlom, Kyle Shen, Emilia Morosan, Douglas Natelson ยท 2026

Mesoscopic transport measurements are underexplored as probes of quasiparticles and their properties in correlated metals. The mixed valence compound YbAl$_3$ exhibits a single-ion Kondo temperature oโ€ฆ

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