Download PDF by Kerson Huang: A Superfluid Universe

By Kerson Huang

ISBN-10: 9813148454

ISBN-13: 9789813148451

This attention-grabbing booklet presents the actual and mathematical history for a conception describing the universe as a quantum superfluid, and the way darkish power and darkish subject come up. proposing a singular conception spanning many alternative fields in physics, the main innovations in each one box are introduced.The reader is just anticipated to grasp the rudiments of condensed subject physics, quantum box concept and basic relativity to discover this attention-grabbing new version of darkish topic and darkish power as elements of a cosmic superfluid.

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Rev. D 9, 2273 (1974). [19] C. Pathinayake, A. Villenkin, B. Allen, Phys. Rev. D 37, 2872, (1988). [20] R. L. Davis and E. P. S. Shellard, Phys. Lett. B 214, 219 (1988). com by LA TROBE UNIVERSITY on 10/29/16. For personal use only. 1 A Superfluid Universe master Higgs Why Higgs In the standard model of particle theory, the vacuum is filled with a complex scalar field called the Higgs field, introduced to give mass to the vector bosons that mediate the weak interactions, like the order parameter in superconductivity that gives mass to the photon, as discussed in Chapter 1.

4) page 46 July 14, 2016 9:16 ws-book9x6 A Superfluid Universe master 47 Renormalization In Wilson’s method [2], we lower the cutoff Λ0 to Λ by integrating over modes with momenta lying between Λ0 and Λ. com by LA TROBE UNIVERSITY on 10/29/16. For personal use only. 5) This is a coarse-graining process that defines a new action S , corresponding to a renormalized system with a lower cutoff Λ. The coupling parameters in S are generally different from those in S. Thus, the appearance system is changed, even if the basic identity of the system remains the same.

7 Velocity distribution in quantum turbulence in superfluid helium. It deviates from the Gaussian distribution of classical turbulence in that it has a powerlaw tail coming from vortex reconnections. From [11]. cross themselves, because of Kelvin’s theorem in the classical case, and reconnections in the quantum case. As far as the power spectrum is concerned, such vortex line belongs to the universal class of random self-avoiding walk (SAW), which features an exponent of 5/3, and also applies to a polymer chain [10].

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A Superfluid Universe by Kerson Huang

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