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# Tag Archives: field equations

## Three Constituents of the Fundamental Theory for the Four Interactions

The aim of this blog is to clarify that the fundamental theory of four interactions must contain the following three basic constituents: the symmetries, the Lagrangian actions, also called functionals, and the field equations. The relation between these three components … Continue reading

## Topological Phase Transitions I: Quantum Phase Transitions

Tian Ma & Shouhong Wang, Topological Phase Transitions I: Quantum Phase Transitions, hal-01651908 The aim of the above paper is to provide a systematic theoretical study on quantum phase transitions associated with the Bose-Einstein condensates, the superfluidity and the superconductivity. I. … Continue reading

Posted in statistical physics
Tagged Abrikosov vortex-Meissner transition, Bose-Einstein condensate, boundary-layer separation, dynamic phase transition, Ehrenfest classification, equilibrium phase transition, field equations, interior separation of flows, Josephson superconductor-insulator transition, mechanism of Meissner effect, Mott superfluid-insulator transition, pattern formation, quantum fluctuation, quantum phase transition, superconductivity, superfluidity, thermal fluctuation, topological phase transition, topological structure equation
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