Results 151 to 160 of about 1,155,601 (235)

Performance of Machine Learning Models Based on Medical Imaging in Predicting Pathological Grade of Clear Cell Renal Cell Carcinoma

open access: yesCancer Medicine, Volume 15, Issue 9, September 2026.
ABSTRACT Background Predicting clear cell renal cell carcinoma (ccRCC) pathological grade preoperatively is critical for clinical management. This study aims to evaluate the diagnostic accuracy and clinical utility of machine learning (ML)‐based imaging models.
Yuchao Wang   +13 more
wiley   +1 more source

Complexity Theory, Quantum Mechanics and Radically Free Self Determination [PDF]

open access: yes, 2001
It has been claimed that quantum mechanics, unlike classical mechanics, allows for free will. In this paper I articulate that claim and explain how a complex physical system possessing fractal-like self similarity could exhibit both self consciousness ...
Pestana, Mark Stephen
core  

Entropy‐Driven Innovations: Entropy Stabilized Oxides for High‐Performance Next‐Generation Lithium–Sulfur Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 5, September 2026.
This article explores high‐entropy‐stabilized oxides (HEOs) as novel functional materials for addressing critical issues in lithium–sulfur (Li–S) batteries, including lithium polysulfide (LPS) shuttling, inadequate conductivity, and slow redox kinetics.
Hassan Raza   +10 more
wiley   +1 more source

Thin‐film lithium niobate photonics: Frontiers in millimeter‐wave and terahertz generation and integrated applications

open access: yesInfoScience, Volume 3, Issue 3, September 2026.
With the advancement of 6G communications, high‐precision radar, and advanced imaging technologies, there is a growing demand for compact, high‐performance light sources capable of generating high‐frequency radio waves (millimeter‐wave and terahertz waves). This article systematically introduces how to efficiently generate these high‐frequency waves on
Jianfeng Xiong   +8 more
wiley   +1 more source

Chaos in many body quantum systems

open access: yes, 1995
A many body quantum system undergoing multiple resonant tunneling in a double barrier heterostructure is studied within a mean field approximation. The resulting nonlinear Schrodinger equation shows genuine chaos with a positive maximum Lyapunov exponent.
G. Jonalasinio   +2 more
core  

A Systematic Characterization of the Solvent‐Dependent Photoswitching Behavior of an N‐Substituted Nitrospiropyran Derivative

open access: yesChemSystemsChem, Volume 8, Issue 5, September 2026.
Investigation of the photoswitching kinetics of a spiropyran–merocyanine (SP–MC) derivative in different solvents reveals that decreasing solvent polarity limits MC formation through aggregation, disfavoring nonpolar environments. In contrast, SP formation remains largely insensitive to solvent polarity, reflecting the greater thermodynamic stability ...
Tobias Eckardt   +10 more
wiley   +1 more source

Diagnosing Chaos with Projected Ensembles of Process Tensors

open access: yesPRX Quantum
The process tensor provides a general representation of a quantum system evolving under repeated interventions and is fundamental for numerical simulations of local many-body dynamics.
Peter O’Donovan   +3 more
doaj   +1 more source

Operational Metric for Quantum Chaos and the Corresponding Spatiotemporal-Entanglement Structure

open access: yesPRX Quantum
Chaotic systems are highly sensitive to a small perturbation and are ubiquitous throughout the biological sciences, the physical sciences, and even the social sciences.
Neil Dowling, Kavan Modi
doaj   +1 more source

Quantum chaos, decoherence and quantum computation

open access: yes, 2006
The aim of these lectures is to discuss the limits to quantum computation due to chaos and decoherence ...
BENENTI, GIULIANO, CASATI, GIULIO
core  

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