Results 31 to 40 of about 9,093,329 (381)

Atrial Fibrosis Hampers Non-invasive Localization of Atrial Ectopic Foci From Multi-Electrode Signals: A 3D Simulation Study

open access: yesFrontiers in Physiology, 2018
Introduction: Focal atrial tachycardia is commonly treated by radio frequency ablation with an acceptable long-term success. Although the location of ectopic foci tends to appear in specific hot-spots, they can be located virtually in any atrial region ...
Eduardo Jorge Godoy   +6 more
doaj   +1 more source

Computer Simulation Using Particles

open access: yes, 1966
Computer experiments using particle models A one-dimensional plasma model The simulation program Time integration schemes The particle-mesh force calculation The solution of field equations Collisionless particle models Particle-particle/particle-mesh ...
R. Hockney, J. Eastwood
semanticscholar   +1 more source

Exact Ising model simulation on a quantum computer [PDF]

open access: yesQuantum, 2018
We present an exact simulation of a one-dimensional transverse Ising spin chain with a quantum computer. We construct an efficient quantum circuit that diagonalizes the Ising Hamiltonian and allows to obtain all eigenstates of the model by just preparing
Alba Cervera-Lierta
semanticscholar   +1 more source

Simulation of Quantum Computers [PDF]

open access: yes, 2001
We describe a simulation approach to study the functioning of Quantum Computer hardware. The latter is modeled by a collection of interacting spin-1/2 objects. The time evolution of this spin system maps one-to-one to a quantum program carried out by the Quantum Computer.
Seiji Miyashita   +4 more
openaire   +4 more sources

A framework for evaluating epidemic forecasts

open access: yesBMC Infectious Diseases, 2017
Background Over the past few decades, numerous forecasting methods have been proposed in the field of epidemic forecasting. Such methods can be classified into different categories such as deterministic vs.
Farzaneh Sadat Tabataba   +6 more
doaj   +1 more source

Overview on agent-based social modelling and the use of formal languages [PDF]

open access: yes, 2013
Transdisciplinary Models and Applications investigates a variety of programming languages used in validating and verifying models in order to assist in their eventual implementation.
Casanovas Garcia, Josep   +4 more
core   +2 more sources

Computer Simulation of Asphaltenes

open access: yesPetroleum Chemistry, 2018
The review describes theoretical approaches based on computer simulations at various levels of details (from quantum chemical calculations to atomistic and coarse-grained models) to study asphaltenes and systems containing asphaltenes. The used methods are described, their advantages and disadvantages are discussed in terms of computational costs and ...
S. V. Lyulin   +9 more
openaire   +3 more sources

Instability of Reissner–Nordström black hole in Einstein-Maxwell-scalar theory

open access: yesEuropean Physical Journal C: Particles and Fields, 2019
The scalarization of Reissner–Nordström black holes was recently proposed in the Einstein-Maxwell-scalar theory. Here, we show that the appearance of the scalarized Reissner–Nordström black hole is closely related to the Gregory-Laflamme instability of ...
Yun Soo Myung, De-Cheng Zou
doaj   +1 more source

MODELLING, SIMULATION AND VISUALIZATION OF A MULTISPECIFIC PHILIPPINE SEAGRASS MEADOW [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Seagrass meadows are constantly under threat from natural and man-made stresses due to its shallow existence in the coastal environment. Restoration and preservation of seagrasses by means of rehabilitation or transplanting strategies is possible, but ...
V. P. Bongolan   +2 more
doaj   +1 more source

Stability of scalarized charged black holes in the Einstein–Maxwell–Scalar theory

open access: yesEuropean Physical Journal C: Particles and Fields, 2019
We analyze the stability of scalarized charged black holes in the Einstein–Maxwell–Scalar (EMS) theory with quadratic coupling. These black holes are labelled by the number of $$n=0,1,2,\ldots $$ n=0,1,2,… , where $$n=0$$ n=0 is called the fundamental ...
Yun Soo Myung, De-Cheng Zou
doaj   +1 more source

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