Results 11 to 20 of about 12,862 (307)

Information Field Theory for Two Applications in Astroparticle Physics

Particles
Information field theory (IFT) provides a powerful framework for reconstructing continuous fields from noisy and sparse data. Based on Bayesian statistics, IFT allows for the approximation of posterior distributions over field-like parameter spaces in ...
Martin Erdmann, Frederik Krieger, Alex Reuzki, Josina Schulte, Michael Smolka, Maximilian Straub   +5 more
doaj   +2 more sources

Strong Deflection Gravitational Lensing for the Photons Coupled to the Weyl Tensor in a Conformal Gravity Black Hole

Universe, 2023
In the present paper, strong deflection gravitational lensing is studied in a conformal gravity black hole. With the help of geometric optics limits, we have formulated the light cone conditions for the photons coupled to the Weyl tensor in a conformal ...
Ghulam Abbas, Ali Övgün, Asif Mahmood, Muhammad Zubair   +3 more
doaj   +1 more source

Long-Term Deflection Prediction from Computer Vision-Measured Data History for High-Speed Railway Bridges

Sensors, 2018
Management of the vertical long-term deflection of a high-speed railway bridge is a crucial factor to guarantee traffic safety and passenger comfort.
Jaebeom Lee, Kyoung-Chan Lee, Young-Joo Lee   +2 more
doaj   +1 more source

Sensitivity analysis of vibration response of timoshenko beam to mass ratio and velocity of moving mass and boundary conditions: Semi-analytical approach

Forces in Mechanics, 2023
In real-world physics phenomena, the boundary conditions of structural members in the structural beam systems affect the system response. Also, moving load or mass problems are used widely in many engineering fields, such as structural, transportation ...
Amin Ghannadiasl, Massood Mofid
doaj   +1 more source

Tribodynamic Modelling of High-Speed Rolling Element Bearings in Flexible Multi-Body Environments

Machines, 2023
This study presents a new flexible dynamic model for drive systems comprising lubricated bearings operating under conditions representative of electrified vehicle powertrains. The multi-physics approach importantly accounts for the tribological phenomena
Harry Questa, Mahdi Mohammadpour, Stephanos Theodossiades, Colin P. Garner, Stephen R. Bewsher, Günter Offner   +5 more
doaj   +1 more source

A multi-criteria assessment of deflection methods for dangerous NEOs [PDF]

, 2007
Over the last few years, the possible scenario of an asteroid threatening to impact the Earth has stimulated an intense debate among the scientific community about possible deviation methods.
Colombo, Camilla, Vasile, Massimiliano, Sanchez Cuartielles, J.P., Sanchez Cuartielles, Joan Pau, Gianmarco Radice, Joan Pau Sanchez Cuartielles, Camilla Colombo, Cuartielles, Joan Pau Sanchez, Colombo, C., Radice, Gianmarco, Massimiliano Vasile   +10 more
core   +1 more source

Enantioselective orientation of chiral molecules induced by terahertz pulses with twisted polarization

Physical Review Research, 2021
Chirality and chiral molecules are key elements in modern chemical and biochemical industries. Individual addressing and the eventual separation of chiral enantiomers have been and still are important elusive tasks in molecular physics and chemistry, and
Ilia Tutunnikov, Long Xu, Robert W. Field, Keith A. Nelson, Yehiam Prior, Ilya Sh. Averbukh   +5 more
doaj   +1 more source

Intergalactic electromagnetic cascades in the magnetized Universe as a tool of astroparticle physics

EPJ Web of Conferences, 2018
We review the physics of intergalactic electromagnetic cascades in the presence of the extragalactic magnetic field (EGMF). Various regimes of intergalactic electromagnetic cascades are considered depending on the number of cascade generations, the value
Dzhatdoev Timur, Khalikov Emil, Kircheva Anna, Podlesnyi Egor, Telegina Anastasia   +4 more
doaj   +1 more source

Laboratory experiments on arc deflection and instability [PDF]

, 2000
This article describes experiments on arc deflection instability carried out during the past few years at the Princeton University Plasma Physics Laboratory (PPPL).
Zweben, S., Karasik, M.
core   +1 more source

Comparison of self-referencing techniques for photothermal detection of trace compounds in water [PDF]

, 2000
Self-referencing techniques are compared for a closed-cell photothermal detector that uses a water meniscus as a pressure sensor. Deflection of the meniscus was measured using an optical fibre Fabry–Perot interferometer.
Johnson, Mark, Jane Hodgkinson, Hodgkinson, J., Hodgkinson, Jane, Johnson, M., Dakin, J.P., Dakin, John P., Mark Johnson, John P Dakin   +8 more
core   +1 more source