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๐Ÿ” david walz ๐Ÿ“‚ Physics
Showing 22149 results for "david walz" in Physics
Physics Preprint PDF DOI

Domain-wall melting in all-to-all QSSEP from random-matrix theory

Denis Bernard, Lorenzo Piroli, Stefano Scopa ยท 2026

We study the melting of a domain wall in the quantum simple exclusion process with all-to-all hoppings (a.k.a. the charged SYK$_2$ model). We show that the real-time dynamics of physical quantities ofโ€ฆ

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Physics Preprint PDF DOI

Quantum Lattice Boltzmann Solutions for Transport under 3D Spatially Varying Advection on Trapped Ion Hardware

Sayonee Ray, Jezer Jojo, Jason Iaconis, Abeynaya Gnanasekaran, Apurva Tiwari, Martin Roetteler, Chris Hill, Jay Pathak ยท 2026

The Quantum Lattice Boltzmann Method (QLBM) has emerged as one of the most promising quantum computing approaches for the numerical simulation of problems in computational fluid dynamics (CFD). The dyโ€ฆ

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Towards High Performance Quantum Computing (HPQ): Parallelisation of the Hamiltonian Auto Decomposition Optimisation Framework (HADOF)

Namasi G Sankar, Georgios Miliotis, Simon Caton ยท 2026

Practical applicability of quantum optimisation on near term devices is constrained by limited qubit counts and hardware noise, which restricts the scalability of quantum optimisation algorithms for cโ€ฆ

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Physics Preprint PDF DOI

Emergent electric fields driven by phonon-coupled skyrmion resonances

Seno Aji ยท 2026

We develop a coarse-grained theoretical description of the macroscopic emergent electric field generated by phonon-coupled lattice deformations in the breathing and rotational dynamics of a skyrmion lโ€ฆ

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Physics Preprint PDF DOI

Phase-Space Contractions of Carrollian Black-Hole Thermodynamics

Yingnan Xu, Shuangshuang Chu ยท 2026

We study Carrollian limits of Schwarzschild-AdS black-hole thermodynamics using covariant phase space. Allowing the cosmological constant to vary, we derive the extended Iyer-Wald identity and identifโ€ฆ

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Electroweak Baryogenesis from Collapsing Domain Walls

Yang Bai, Kun-Feng Lyu, Yue Zhao ยท 2026

We propose a novel mechanism for electroweak baryogenesis in which collapsing domain walls formed by an axion-like field replace the bubble walls in a strong first-order electroweak phase transition. โ€ฆ

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Physics Preprint PDF DOI

Phase-Transition Induced Domain Evolution and Magnetization Dynamics in FePt/FeRh Bilayers for Efficient Heat-Assisted Magnetic Recording

Saroj K. Mishra, Y. Sasaki, S. Isogami, I. Suzuki, Keerthana P, J. Mohanty, Y. K. Takahashi ยท 2026

Achieving ultrahigh recording densities with low power consumption is a central challenge for next generation heat assisted magnetic recording (HAMR), as conventional L10 FePt media require intense laโ€ฆ

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A positive definite formulation of vacuum decay with reduced symmetry

Jose R. Espinosa, Ryusuke Jinno, Thomas Konstandin, Shogo Matake, Taiga Miyachi ยท 2026

The Euclidean bounce for vacuum decay enjoys an $O(4)$ symmetry that is lost in the presence of impurities than can catalyze the decay. We present a formulation for the calculation of the tunneling deโ€ฆ

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Physics Preprint PDF DOI

Programmable superconducting diode from nematic domain control in FeSe

R. D. H. Hinlopen, C. Putzke, L. Holeschovsky, R. Nicholls, F. Ronning, E. D. Bauer, N. E. Hussey, P. J. W. Moll ยท 2026

The superconducting diode effect (SDE) allows polarity-dependent critical currents when time-reversal and current-inverting spatial symmetries are broken. Superconducting diodes show promise for appliโ€ฆ

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Large-eddy simulation nets (LESnets) based on physics-informed neural operator for wall-bounded turbulence

Sunan Zhao, Yunpeng Wang, Huiyu Yang, Zhihong Guo, Jianchun Wang ยท 2026

Accurate and efficient prediction of three-dimensional (3D) wall-bounded turbulent flows poses a significant challenge for machine learning methods, particularly in scenarios where flow field data areโ€ฆ

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Physics Preprint PDF DOI

Large magnetoresistance and weak-antilocalization in the nodal-line semimetal VP2

Chunxiang Wu, Shuijin Chen, Tingyu Zhou, Le Liu, Xin Peng, Jianjian Jia, Xinyu Yu, Hangdong Wang, Jinhu Yang, Jianhua Du, Minghu Fang ยท 2026

After growing successfully high quality VP$_2$ single crystals, we studied systematically their longitudinal $\rho_{xx}(T)$ and Hall resistivity $\rho_{yx}(T)$ at various magnetic fields, combining thโ€ฆ

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Linear poroelastic response of thin permeable gel films

Caroline Kopecz-Muller (LOMA, NAVIER UMR 8205), Joshua D Mcgraw, Thomas Salez (LOMA) ยท 2026

When a hydrophilic and deformable porous material is immersed in a bath, it may absorb the solvent and expand by several times its volume, thus forming a highly soft and porous hydrogel. A stress applโ€ฆ

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Nitrogen-induced ELM suppression and confinement improvement in the EAST tokamak with a full metal wall

Jingyan Hu, Peng Shi, Chu Zhou, Jinyue Liu, Gongshun Li, Hailin Zhao, Xiang Jian, Ge Zhuang ยท 2026

This paper reports the achievement of an ELM-free H-mode regime with confinement improvement enabled by nitrogen (N2) seeding on the Experimental Advanced Superconducting Tokamak (EAST) with a full meโ€ฆ

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Light sea-quark flavor asymmetry and angular momentum of the nucleon in a scalar-vector spectator model

Parashmani Thakuria, Madhurjya Lalung, Jayanta Kumar Sarma ยท 2026

We present a light-front spectator model that describes the proton as an active sea antiquark paired with a composite scalar-vector spectator. Using a spatial profile based on soft-wall AdS/QCD, we fiโ€ฆ

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Physics Preprint PDF DOI

Gravitational Properties of the Monopole Bag

Yu Komiya, Fumihiro Takayama ยท 2026

Axionic cosmologies constitute a class of models with phenomenologically rich symmetry breaking in the early universe. In the case where monopoles are present in such a background, the axion profile mโ€ฆ

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Viscous Settling of Bravais Unit-Cells

Sebastian Burger, Harshit Joshi, S Ganga Prasath, Rahul Chajwa, Rama Govindarajan ยท 2026

We study experimentally and theoretically the Stokesian settling of a well-known class of porous shapes: Bravais lattice unit-cells, whose porosity we vary controllably by changing their lattice spaciโ€ฆ

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Caught in the Cosmic Web: Environmental Impacts on the Halo Substructure Boosts to Dark Matter Annihilation Signals

Feven Markos Hunde, Wojciech A. Hellwing, Maciej Bilicki ยท 2026

The annihilation of dark matter (DM) particles is expected to produce Standard Model particles, providing a potential indirect signature of DM. The clumpy substructure of DM haloes amplifies the expecโ€ฆ

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Specially Embedding a Composite Axion Model

Shihwen Hor, Yuichiro Nakai, Motoo Suzuki, Junxuan Xu ยท 2026

We present a novel framework of the post-inflationary composite axion to address the strong CP problem without the cosmological domain wall problem. Conventional composite axion models lead to the domโ€ฆ

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Dissipative Losses In Black Hole-Induced Vacuum Decay

Michael Geller, Ofri Telem ยท 2026

We address the long-standing puzzle of false vacuum decay catalyzed by black holes. Naively, small black holes with large Hawking temperatures can generate highly-boosted true vacuum bubbles in the eaโ€ฆ

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A unified quantum random walk model for internal crystal effects in dynamical diffraction

Owen Lailey, Dusan Sarenac, David G. Cory, Michael G. Huber, Dmitry A. Pushin ยท 2026

The theory of dynamical diffraction (DD) in perfect crystals is the backbone of high-precision neutron and X-ray diffraction experiments, enabling accurate determination of crystal structure factors aโ€ฆ

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