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๐Ÿ” computing methodologies ๐Ÿ“‚ Physics
Showing 57802 results for "computing methodologies" in Physics
Physics Preprint PDF DOI

Neural network backflow for ab-initio solid calculations

An-Jun Liu, Bryan K. Clark ยท 2026

Accurately simulating extended periodic systems is a central challenge in condensed matter physics. Neural quantum states (NQS) offer expressive wavefunctions for this task but face issues with scalabโ€ฆ

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Physics Preprint PDF DOI

Almost perfect strategies for projection games are approximately tracial

Eric Culf ยท 2026

Projection games constitute an important class of nonlocal games where, for any answer from the first player, there is a unique correct answer for the second player. This class of games captures nonloโ€ฆ

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Physics Preprint PDF DOI

Towards Exponential Quantum Improvements in Solving Cardinality-Constrained Binary Optimization

Haomu Yuan, Hanqing Wu, Kuan-Cheng Chen, Bin Cheng, Crispin H. W. Barnes ยท 2026

Cardinality-constrained binary optimization is a fundamental computational primitive with broad applications in machine learning, finance, and scientific computing. In this work, we introduce a Groverโ€ฆ

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Physics Preprint PDF DOI

Computing logical error thresholds with the Pauli Frame Sparse Representation

Thomas Tuloup, Thomas Ayral ยท 2026

We introduce a sparse classical representation, a truncation strategy and a shot-efficient sampling method to push the classical prediction of quantum error correction thresholds beyond Clifford operaโ€ฆ

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Physics Preprint PDF DOI

Sequential Quenching to Predict Semiconductor Defect Concentrations from Formation & Migration Energies: The Case of CdTe:As Doping

Khandakar Aaditta Arnab, Intuon Chatratin, Anderson Janotti, Michael Scarpulla ยท 2026

Defect concentrations in semiconductors are strongly influenced by thermal history during growth and cooldown, yet most defect calculations assume either instantaneous quenching from high temperature โ€ฆ

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Synergistic doping and stabilization of magnetically tunable LnTi$_3$(Sb,Sn)$_4$ (Ln:Ce--Gd) kagome metals

Brenden R. Ortiz, Ramakanta Chapai, German Samolyuk, Milo Sprague, Arun K. Kumay, Hu Miao, Karolina Gornicka, Xiaoping Wang, Qiang Zhang, Madhab Neupane, David Parker, Jiaqiang Yan ยท 2026

Here we present our synthesis and characterization of the LnTi$_3$(Sb,Sn)$_4$ (Ln: Ce, Pr, Nd, Sm, Gd) family of cleavable kagome metals. While these materials are isostructural to the LnTi$_3$Bi$_4$ โ€ฆ

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Physics Preprint PDF DOI

Quantum M2-branes and Holography

Jesse van Muiden ยท 2026

We discuss the semi-classical quantisation of supersymmetric membranes in holographic geometries with asymptotic AdS$_4$ and AdS$_7$ boundary conditions. In AdS$_4$ geometries this quantisation promptโ€ฆ

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Quantum geometry from commutators: a Heisenberg-picture framework and a toy application to early structure

Vahid Kamali ยท 2026

We develop a Heisenberg-picture \emph{kinematical} framework in which (i) time is treated as a quantum observable, admitting both a relational POVM construction for semibounded spectra and a fully selโ€ฆ

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Ab Initio Transfer Length Method Simulations of Tunneling Limits in 2D Semiconductors

Tae Hyung Kim, Juho Lee, Yong-Hoon Kim ยท 2026

As semiconductor devices approach the sub-2 nm technology node, identifying the quantum-mechanical limits of contact-resistance scaling becomes imperative; however, the transition from thermionic emisโ€ฆ

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Finite-Time Braiding Dynamics within Topological Nanowire Qubits

Adrian D. Scheppe, Michael V. Pak ยท 2026

Topological Quantum Computing has largely evolved towards a paradigm of manipulating edge localized Majorana within $p$-wave topological superconducting nanowires. To bridge the gap between physical qโ€ฆ

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Dynamical compartments in stirred tank reactors and Markov state modeling for mixing quantification: a transfer operator approach

Anna Klunker, Thanh Tung Thai, Eike Steuwe, Christian Weiland, Yvonne Schade, Alexandra von Kameke, Kathrin Padberg-Gehle ยท 2026

Identifying coherent flow structures in chemical reactors is crucial for understanding the mixing dynamics, which is essential for optimizing reactor performance. We demonstrate the use of a transfer โ€ฆ

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Lightweight phase-field surrogate for modelling ductile-to-brittle transition through phenomenological elastoplastic coupling

P G Kubendran Amos ยท 2026

The ductile-to-brittle transition (DBT) in body-centred cubic systems is a central design constraint for cryogenic structures. Performing parametric studies to enhance the understanding on DBT using fโ€ฆ

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Dynamical Simulations of Schr\"odinger's Equation via Rank-Adaptive Tensor Decompositions

N. Anders Petersson, Chase Hodges-Heilmann, Stefanie Gunther ยท 2026

We study low-rank tensor methods for the numerical solution of Schr\"odinger's equation with time-independent and explicitly time-dependent Hamiltonians, motivated by large-scale simulations of many-bโ€ฆ

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Closed-time-path approach to the optomechanical back-reaction problem

Salvatore Butera ยท 2026

We present a perturbative closed-time-path (in-in) formulation of an optomechanical system in which a quantum field interacts with a moving mirror via radiation pressure. We derive the effective actioโ€ฆ

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Quantum electrometry in a silicon carbide power device

Yuichi Yamazaki, Akira Kiyoi, Naoyuki Kawabata, Yuki Watanabe, Ryosuke Akashi, Shunsuke Daimon, Nobumasa Miyawaki, Yu-ichiro Matsushita, Makoto Kohda, Takeshi Ohshima ยท 2026

For high-bias operation devices such as silicon carbide (SiC) power devices, early detection of failure mechanisms is essential to ensure reliability. This requires a method to map high electric fieldโ€ฆ

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Prospects for probing light photophobic axion-like particles via displaced vertex signals at the CEPC

Chong-Xing Yue, Xin-Yang Li ยท 2026

In recent years, long-lived particles (LLPs) have attracted increasing attention in searches for physics beyond the Standard Model (SM). In this paper, we investigate the discovery prospects for lightโ€ฆ

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Phononic Bragg Reflectors for Thermal Insulation of Scalable Cryogenic Control Electronics from Qubits

Isabelle V. Sprave, Denny Dutz, Sebastian Kock, Rene Otten, Tobias Hangleiter, Felix Mende, Marcus Wislicenus, Hendrik Bluhm ยท 2026

Scaling solid-state architectures to the millions of qubits required for utility-scale quantum computing could benefit from the integration of control electronics in the immediate vicinity of the quanโ€ฆ

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AI assisted optimization of integrated waveguide polarizers containing 2D reduced graphene oxide

Rong Wang, Yijun Wang, Di Jin, Junkai Hu, Wenbo Liu, Yuning Zhang, Duan Huang, Jiayang Wu, Baohua Jia, David J. Moss ยท 2026

Reduced graphene oxide (rGO) exhibits strong anisotropic light absorption and high compatibility with photonic integrated chips, making it a promising material for implementing high performance onchipโ€ฆ

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Quantum dial

Aashish Sah, Suman Kundu, Priyank Singh, Eemeli Forsbom, Vasilii Vadimov, Mikko Mottonen ยท 2026

Accurate control of quantum degrees of freedom is promising for sensing, communication, and computing, but building a useful quantum computer faces a central isolation-and-control challenge: qubits muโ€ฆ

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Competing Magnetic Ground States in Copper-Doped Pb$_{10}$P$_{6}$O$_{25}$

Lin Hou, Kevin Allen, Christopher Lane, Jian-Xin Zhu ยท 2026

We investigate the electronic and magnetic properties of copper-doped Pb$_{10}$(PO$_4$)$_6$O using a combination of density functional theory and many-body perturbation theory. The flat half-filled elโ€ฆ

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