Results 71 to 80 of about 1,034,610 (326)
Quantum Tunneling and Quasinormal Modes in the Spacetime of Alcubierre Warp Drive
, 2017 In a seminal paper, Alcubierre showed that Einstein's theory of general relativity appears to allow a super-luminal motion. In the present study, we use a recent eternal-warp-drive solution found by Alcubierre to study the effect of Hawking radiation ...
Jusufi, Kimet +2 more
core +1 more source
Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys
Advanced Engineering Materials, EarlyView.This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa +9 more
wiley +1 more source
A Comparative Study of Mulla Sadra and Husserl on Mind Agency in Perception Process [PDF]
حکمت صدرایی, 2017 The study of mind as a faculty of the soul, which we acquire knowledge through it, is important in gaining correct conception about the process of perception.
zahra eskandari +1 more
doaj
Mind Your Ps and Qs: The Interrelation between Period (P) and Mass-ratio (Q) Distributions of Binary Stars [PDF]
, 2016 We compile observations of early-type binaries identified via spectroscopy, eclipses, long-baseline interferometry, adaptive optics, common proper motion, etc.
M. Moe, R. Di Stefano
semanticscholar +1 more source
Diagrammatic Reasoning and Modelling in the Imagination: The Secret Weapons of the Scientific Revolution [PDF]
, 2000 Just before the Scientific Revolution, there was a "Mathematical Revolution", heavily based on geometrical and machine diagrams. The "faculty of imagination" (now called scientific visualization) was developed to allow 3D understanding of planetary ...
Franklin, James
core +1 more source
Advanced Functional Materials, EarlyView.Ferroelectricity in thin HfO2‐based films offers great possibilities for next‐generation neuromorphic memory devices. There, the response to subcoercive voltage signals is driven by the movement of mobile interfaces and their interaction with crystal defects – a yet rather unexplored aspect, which we shed light on and gain new insights into the complex
Maximilian T. Becker +11 more
wiley +1 more source
Frontiers in PsychologyIntroductionMaintaining a steady running pace despite physical or mental fatigue often engages executive functions. These functions may contribute to sustaining exercise participation by regulating cognitive and affective responses to the demands of ...
Andrew Danso +18 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum +5 more
wiley +1 more source
Feller processes: the next generation in modeling. Brownian motion, Lévy processes and beyond. [PDF]
PLoS ONE, 2010 We present a simple construction method for Feller processes and a framework for the generation of sample paths of Feller processes. The construction is based on state space dependent mixing of Lévy processes.
Björn Böttcher
doaj +1 more source
Evaluation of error bound for a DT sliding mode control with disturbance observer [PDF]
, 2006 In this paper an estimate of the upper bound of control error for discrete-time implementation of a Sliding Mode Control (DTSMC) combined with disturbance observer is investigated. Having in mind application to PZT high bandwidth actuators and since high
Abidi, Khalid Seyed +3 more
core