Titlebook: Geometry, Topology and Quantum Field Theory; Pratul Bandyopadhyay Book 2003 Springer Science+Business Media Dordrecht 2003 Baryon.Particle

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Electrical Resistance of Metalsus Lorentz group .(3, 1) inducting the time coordinate xo with the three spatial coordinates .. In the latter case, we also consider Lorentz boost generators in addition to the three generators of spatial rotation. In a similar way, we can add a fourth component .. with the three isorector .. The ch

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Electroweak Theory,however all the spins are aligned within a domain and is not rotationally invariant. The direction of spontaneous magnetization is random and all the degenerate ground states may be reached from a given one by rotation. At high temperature the atoms become randomly oriented and we have a symmetric g

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Geometrical Aspects of a Skyrmion,e of position operator may provide us more information than an usual Hermitian operator (Kalnay (1970), (1971)). Kalnay and Toledo (1967) have considered that a relativistic quantum particle may not be a point particle and position be extended to a certain region. Non-Hermitian nature of position va

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Noncommutative Geometry,m field theory as we can introduce an effective cut-off similar to a lattice but at the same time maintaining Lorentz invariance. To consider a lattice structure one can choose the two points on the sphere characterising the north and south poles. By choosing the two points the rotational invariance

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