Expertini Research Research

Browse Research Papers

10,736+ open-access research outputs.

✕ Clear
🔍 cwi 📂 Physics 📄 Preprint
Showing 10736 results for "cwi" in Physics · Preprint
Physics Preprint PDF DOI

Spin-Induced Nonlinear Scalarization of Kerr Black Holes in Einstein-scalar-Gauss-Bonnet Gravity

Meng-Yun Lai, Hyat Huang, Jutta Kunz, Yun Soo Myung, De-Cheng Zou · 2026

We investigate spin-induced scalarization of Kerr black holes in an Einstein-scalar-Gauss-Bonnet (EsGB) model that does not admit a linear tachyonic instability of the scalar-free solution. The scalar…

Read Paper →
Physics Preprint PDF DOI

Electrically Tunable Terahertz Chirality from Quantum Geometry

Sobhan Subhra Mishra, Thomas CaiWei Tan, Faxian Xiu, Ranjan Singh · 2026

Quantum geometry encoded in the momentum space structure of electronic wavefunctions, governs charge dynamics through Berry curvature, enabling unconventional transport and optical responses. In topol…

Read Paper →
Physics Preprint PDF DOI

Unmasking Hidden Wigner's Symmetry from First Principles

Phong Dang, Daniel Langr, Tomas Dytrych, Jerry P. Draayer, David Kekejian · 2026

We present quantitative evidence that high-quality internucleon forces derived from $\chi$EFT exhibit a striking dominance of Wigner's supermultiplet symmetry, without invoking the large-$N_c$ limit o…

Read Paper →
Physics Preprint PDF DOI

Amplitude Encoding of Slater-Type Orbitals via Matrix Product States: Efficient State Preparation and Integral Evaluation on Quantum Hardware

Sorin Bolos · 2026

Slater-type orbitals (STOs) provide the physically correct description of atomic wavefunctions but have been largely replaced by Gaussian-type orbitals in computational chemistry due to the lack of cl…

Read Paper →
Physics Preprint PDF DOI

Local tensor-train surrogates for quantum learning models

Sreeraj Rajindran Nair, Christopher Ferrie · 2026

A key bottleneck in quantum machine learning is the computational cost of repeated quantum circuit evaluations during the inference phase. To address this, we present a framework for constructing fast…

Read Paper →
Physics Preprint PDF DOI

Bond-dimension scaling of a local-refinement advantage over hyperoptimized tensor-network contraction on Sycamore like topologies

Ruben Dario Guerrero · 2026

We identify a missing local-refinement stage in the cotengra tensor-network contraction pipeline and show that its impact grows monotonically with bond dimension on the \emph{connectivity graph} of Sy…

Read Paper →
Physics Preprint PDF DOI

Probing phonon chirality and circular lattice motion with symmetry-selective nonlinear optical spectroscopy

Yuhan Wang, Yuxuan Wei, Li Huang, Chuanshan Tian · 2026

Truly chiral phonons are lattice eigenmodes that combine broken mirror symmetry with circular atomic motion. They can mediate angular-momentum-selective interactions in quantum materials, yet directly…

Read Paper →
Physics Preprint PDF DOI

A Theoretical Study of the Structure and Elemental Abundances of HD 20794

Mrinmay Medhi, Mami Deka, Krishna Saha, Vivek Baruah Thapa, Upakul Mahanta · 2026

HD~20794 is a nearby, bright, metal-poor G-type dwarf hosting a compact planetary system, including a super-Earth near the habitable zone. Its low stellar activity and the availability of precise radi…

Read Paper →
Physics Preprint PDF DOI

Contextuality from the Projector Overlap Matrix

Ali Can Gunhan, Semahi Serhat Aksoy, Zafer Gedik · 2026

We place several known indicators of Kochen--Specker contextuality -- the KCBS correlator $\chi$, the contextual fraction $\CF$, the Shannon-entropic $n$-cycle inequality of Chaves and Fritz, and the …

Read Paper →
Physics Preprint PDF DOI

Cosolvency response in polymer brushes

Huaisong Yong, Binyu Zhao · 2026

We present the first analytic theory with elegant and closed-form analytical solutions to explore the cosolvency effect in polymer brushes, where polymer chains that are poorly soluble in two pure sol…

Read Paper →
Physics Preprint PDF DOI

High-Precision Ground Characterization of Test-Mass Magnetic Properties for the Taiji Gravitational Wave Mission via a Physics-Informed Neural Framework

Chang Liu, Qiong Deng, Huadong Li, Liwei Yang, Xiaodong Peng, Ziren Luo, Yuzhu Zhang, Chen Gao, Xiaotong Wei, Minghui Du, Zihao Xiao, Peng Xu, Bo Liang, Zhi Wang, Li-e Qiang · 2026

Taiji is a gravitational wave detection mission in space initiated by the Chinese Academy of Sciences, which will open the millihertz window through a heliocentric triangular constellation of three dr…

Read Paper →
Physics Preprint PDF DOI

Cryogenic pure CsI as a probe for neutrino electromagnetic interactions

C. M. Lewis · 2026

Searches for neutrino electromagnetic interactions at reactor sites require an unusual combination of ultra-low thresholds and a stable low-background environment. It is shown here that cryogenic undo…

Read Paper →
Physics Preprint PDF DOI

Chip-based f-2f interferometry in periodically tapered lithium niobate nanophotonic waveguides

Xinyan Chi, Ruoao Yang, Zhiyuan Li, Tuo Liu, Haoxuan Zhang, Biyan Zhan, Xianwen Liu · 2026

Nanophotonic supercontinuum generation offers a practical route to chip-based f-2f interferometry by leveraging coexisting chi(2) and chi(3) nonlinearities. In conventional uniform waveguides, the pha…

Read Paper →
Physics Preprint PDF DOI

Four-dimensional QCD equation of state from a quasi-parton model with physics-informed neural networks

Fu-Peng Li, Long-Gang Pang, Guang-You Qin · 2026

The equation of state (EoS) of strongly interacting matter at finite temperature and chemical potentials (baryon, charge, and strangeness) is a crucial input for hydrodynamic simulations of relativist…

Read Paper →
Physics Preprint PDF DOI

Solar Reflection of Inelastic Dark Matter

Haipeng An, Haoming Nie · 2026

Solar-reflected dark matter (SRDM) consists of dark-matter particles up-scattered and accelerated by energetic electrons in the solar interior, producing a high-velocity tail that can enhance signals …

Read Paper →
Physics Preprint PDF DOI

Testing solitonic boson star interpretations of Sagittarius A* with near-infrared flare astrometry

Xiangyu Wang, Zhenyu Zhang, Hai-Qing Zhang, Minyong Guo, Bin Chen · 2026

We use GRAVITY near-infrared (NIR) flare astrometry to test whether Sagittarius A* could be a solitonic boson star. We consider five spherically symmetric solitonic boson-star models with different ef…

Read Paper →
Physics Preprint PDF DOI

Emergence of a non-bulk hexagonal Fe$_2$S$_2$ single layer via phase transformation

Affan Safeer, Wejdan Beida, Felix Oberbauer, Nicolae Atodiresei, Gustav Bihlmayer, Max Wolfertz, Chiara Schlichte, Wouter Jolie, Stefan Blugel, Jeison Fischer, Thomas Michely · 2026

Two-dimensional materials can stabilize crystal structures that are absent from their bulk counterparts, offering opportunities for materials design. Here, we report the synthesis of a previously unkn…

Read Paper →
Physics Preprint PDF DOI

The $f(Q, T)$ gravity and affine EoS: observational aspects

Romanshu Garg, G. P. Singh · 2026

In this paper, we investigate the cosmic expansion scenarios within the framework of $f(Q,T)$ gravity by using the affine equation of state (EoS) parameter. Specifically, we consider the linear form $…

Read Paper →
Physics Preprint PDF DOI

Spontaneous Symmetry Breaking and the Vacuum Displacement Principle: From Galactic Scales to Cosmic Fine-Tuning

Rodrigo Maier · 2026

We present a modified gravity framework where the vacuum is modeled as a Higgs-type scalar field $\chi$ undergoing spontaneous symmetry breaking. By introducing a coupling $Q^\nu = \alpha T \nabla^\nu…

Read Paper →
Physics Preprint PDF DOI

Impact of different neutrino decoherence formalisms at the future long-baseline Experiments

Rudra Majhi, Koushik Pal, Monojit Ghosh, Rukmani Mohanta · 2026

In this paper, we have studied the impact of two different formalisms of quantum decoherence in determining the sensitivities of the two future long-baseline experiments DUNE and P2SO. In Formalism-A,…

Read Paper →
Page 1 of 537 Next →