scholarly journals Vortex Theory and Earth Dynamics

2016 ◽  
Vol 4 (3) ◽  
Author(s):  
Valentino Straser ◽  
Alessandro Ferrari
Keyword(s):  
Vortex Theory ◽  
Earth Dynamics

2.2. Working Group 2: Conceptual Definitions of Reference Coordinate Systems for Earth Dynamics

1975 ◽  
Vol 26 ◽  
pp. 21-26
Keyword(s):  
Coordinate System ◽  
Working Group ◽  
General Character ◽  
Coordinate Systems ◽  
Reference Coordinate System ◽  
Group 2 ◽  
Definition Of ◽  
Earth Dynamics

An ideal definition of a reference coordinate system should meet the following general requirements:1. It should be as conceptually simple as possible, so its philosophy is well understood by the users.2. It should imply as few physical assumptions as possible. Wherever they are necessary, such assumptions should be of a very general character and, in particular, they should not be dependent upon astronomical and geophysical detailed theories.3. It should suggest a materialization that is dynamically stable and is accessible to observations with the required accuracy.

scholarly journals VORTEX DESCRIPTION OF QUANTUM HALL FERROMAGNETS

2010 ◽  
Vol 25 (05) ◽  
pp. 993-1008 ◽  
Author(s):  
TARO KIMURA
Keyword(s):  
Incompressible Fluid ◽  
Moduli Space ◽  
Composite Particle ◽  
Matrix Theory ◽  
Quantum Hall ◽  
Effective Theory ◽  
Particle State ◽  
Coupling Region ◽  
Vortex Theory ◽  
Chern Simons

We study particle states of quantum Hall ferromagnet from the viewpoint of the incompressible fluid description. It is shown that phase space of Chern–Simons matrix theory which is an effective theory for the incompressible fluid is equivalent to moduli space of vortex theory. According to this correspondence, elementary excitations in vortex theory are identified as particle states in quantum Hall ferromagnet, and thus we propose that a pure electron state is absent from the strong coupling region but only a composite particle state is present.

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