Generalization of the model of a relativistic string in a geometrical approach

1980 ◽  
Vol 45 (3) ◽  
pp. 1082-1089 ◽  
Author(s):  
B. M. Barbashov ◽  
V. V. Nesterenko ◽  
A. M. Chervyakov
Keyword(s):  
Relativistic String ◽  
Geometrical Approach

Generalization of the relativistic string model in the geometrical approach

1979 ◽  
Vol 3 (5) ◽  
pp. 359-365 ◽  
Author(s):  
B. M. Barbashov ◽  
V. V. Nesterenko ◽  
A. M. Chervjakov
Keyword(s):  
String Model ◽  
Relativistic String ◽  
Geometrical Approach

QUANTUM R-MATRIX IN THE RELATIVISTIC STRING MODEL IN A SPACE OF CONSTANT CURVATURE

1990 ◽  
Vol 05 (17) ◽  
pp. 1329-1338 ◽  
Author(s):  
E.S. FRADKIN ◽  
R.R. METSAEV
Keyword(s):  
Constant Curvature ◽  
String Model ◽  
Closed String ◽  
Relativistic String ◽  
Geometrical Approach ◽  
R Matrix ◽  
Space Of Constant Curvature

The relativistic closed string model arising in the geometrical approach is considered in a space of constant curvature. For this model the classical and quantum R-matrices are found.

Geometrical approach to the dynamics of a relativistic string

1979 ◽  
Vol 39 (1) ◽  
pp. 300-305 ◽  
Author(s):  
B. M. Barbashov ◽  
A. L. Koshkarov
Keyword(s):  
Relativistic String ◽  
Geometrical Approach

scholarly journals The Dirac Electron Consistent with Proper Gravitational and Electromagnetic Field of the Kerr–Newman Solution

Galaxies ◽  
2021 ◽  
Vol 9 (1) ◽  
pp. 18
Author(s):  
Alexander Burinskii
Keyword(s):  
Electromagnetic Field ◽  
Quantum Theory ◽  
Gravitational Field ◽  
Dirac Equation ◽  
Higgs Field ◽  
Vacuum State ◽  
Relativistic String ◽  
Dirac Equations ◽  
Dirac Electron ◽  
Relativistic Scattering

The Dirac electron is considered as a particle-like solution consistent with its own Kerr–Newman (KN) gravitational field. In our previous works we considered the regularized by López KN solution as a bag-like soliton model formed from the Higgs field in a supersymmetric vacuum state. This bag takes the shape of a thin superconducting disk coupled with circular string placed along its perimeter. Using the unique features of the Kerr–Schild coordinate system, which linearizes Dirac equation in KN space, we obtain the solution of the Dirac equations consistent with the KN gravitational and electromagnetic field, and show that the corresponding solution takes the form of a massless relativistic string. Obvious parallelism with Heisenberg and Schrödinger pictures of quantum theory explains remarkable features of the electron in its interaction with gravity and in the relativistic scattering processes.

Studies on Isotropy of Planar 5-Bar Linkages

2004 ◽  
Author(s):  
C. Amarnath ◽  
K. N. Umesh
Keyword(s):  
Geometric Approach ◽  
Geometrical Approach ◽  
End Effector ◽  
Isotropic Point ◽  
Important Requirement ◽  
Point To Point

The ability to move at reasonable ease in all directions is an important requirement in the design of manipulators. The degree of ease of mobility varies from point to point in the workspace of the manipulator’s end effector. Maximum ease of mobility is obtained at an isotropic point, and the minimum occurs at singularities. An attempt has been made here to use a geometric approach for determining the isotropic points in the workspace of planar 5-bar linkages. The geometrical approach leads to interesting observations on the location of isotropic points in the workspace. The procedure also yields a technique for the synthesis of 5-bar linkages and associated coupler points exhibiting isotropic behaviour. Additionally it has been shown that coupler points exhibiting isotropic mobility occur in pairs.

Fuzzy intersection graph: a geometrical approach

2021 ◽  
Author(s):  
Sreenanda Raut ◽  
Madhumangal Pal
Keyword(s):  
Intersection Graph ◽  
Geometrical Approach

Integrating nutrition: a geometrical approach

1999 ◽  
Vol 91 (1) ◽  
pp. 67-82 ◽  
Author(s):  
D. Raubenheimer ◽  
S.J. Simpson
Keyword(s):  
Geometrical Approach
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