scholarly journals Macroscopic thermal entanglement in a spin chain caused by the magnetic field: Inhomogeneity effect

2012 ◽  
Vol 38 (3) ◽  
pp. 210-215 ◽  
Author(s):  
A. A. Zvyagin
Keyword(s):  
Magnetic Field ◽  
Spin Chain ◽  
Magnetic Field Inhomogeneity ◽  
Field Inhomogeneity ◽  
Thermal Entanglement ◽  
The Magnetic Field

A Kind of Shimming Method for MRI

2014 ◽  
Vol 889-890 ◽  
pp. 230-233
Author(s):  
Xiao Bing Zhang
Keyword(s):  
Magnetic Field ◽  
Permanent Magnet ◽  
Magnetic Field Inhomogeneity ◽  
Field Inhomogeneity ◽  
Open Mri ◽  
Precision And Accuracy ◽  
The Magnetic Field

This paper presents a shimming method for correct the magnetic field inhomogeneity generated by the permanent magnet biplanar open MRI magnets. After giving the explanation of the degree of the magnetic field inhomogeneity, the shimming principle and method are given. In order to guarantee the precision and accuracy of the magnetic field, a 3D moving flat is developed. The intensity of magnetic field is shown by the aid of the Excel, and the engineer can shim the magnetic field by interacting with the computer. After using the proposed method on a batch of permanent magnet biplanar open MRIs, the experiment results show that the proposed method is effective.

scholarly journals The Numerical Simulation of the Shielded Helmholtz Coils System Magnetic Field

2018 ◽  
Vol 155 ◽  
pp. 01038
Author(s):  
Ivan Zatonov ◽  
Pavel Baranov
Keyword(s):  
Magnetic Field ◽  
Numerical Simulation ◽  
Axial Direction ◽  
Magnetic Flux Density ◽  
Magnetic Field Inhomogeneity ◽  
Field Inhomogeneity ◽  
Functional Connection ◽  
Axial Coordinate ◽  
Helmholtz Coils ◽  
The Magnetic Field

This article describes the calculation of the magnetic field in the axial direction for the Helmholtz coil. The inhomogeneity of the magnetic field for this coil system is calculated. Authors defined the functional connection of the magnetic flux density in the system center from the antimagnetic shield thickness in two ways: iron and Finemet alloy shield. The dependency graph of the magnetic field inhomogeneity in the center of shielded Helmholtz coils system from the axial coordinate value is estimated

scholarly journals Improving chemical shift encoded water-fat separation using object-based information of the magnetic field inhomogeneity

2014 ◽  
Vol 73 (2) ◽  
pp. 597-604 ◽  
Author(s):  
Samir D. Sharma ◽  
Nathan S. Artz ◽  
Diego Hernando ◽  
Debra E. Horng ◽  
Scott B. Reeder
Keyword(s):  
Magnetic Field ◽  
Chemical Shift ◽  
Magnetic Field Inhomogeneity ◽  
Field Inhomogeneity ◽  
Object Based ◽  
The Magnetic Field

NMR measurement of magnetic field inhomogeneity

1991 ◽  
Vol 34 (6) ◽  
pp. 610-613
Author(s):  
Ya. Weis ◽  
I. Frollo ◽  
L. Budinsk�
Keyword(s):  
Magnetic Field ◽  
Magnetic Field Inhomogeneity ◽  
Field Inhomogeneity
Sign in / Sign up

Export Citation Format

Share Document