Xue Er De -Fen Library

Astrophysics Space Science

A Superfluid Universe by Kerson Huang

By Kerson Huang

This fascinating ebook offers the actual and mathematical history for a thought describing the universe as a quantum superfluid, and the way darkish strength and darkish subject come up. featuring a unique concept spanning many alternative fields in physics, the major options in each one box are introduced.The reader is barely anticipated to understand the rudiments of condensed subject physics, quantum box concept and common relativity to discover this attention-grabbing new version of darkish subject and darkish power as points of a cosmic superfluid.

Show description

Read Online or Download A Superfluid Universe PDF

Best astrophysics & space science books

Extrasolar Planets: Formation, Detection and Dynamics

The extrasolar planets are one of many study focuses of recent astronomy. Their detection within the shut region in their magnificent valuable stars require the top attainable talents in observational accuracy, tool functionality and knowledge evaluate. The research of these items yield new insights into the physics and chemistry of planets quite often, for this reason into the foundation of our domestic international.

Our Explosive Sun: A Visual Feast of Our Source of Light and Life

The solar, that's our personal megastar on the heart of the sunlight approach, supplies upward thrust to all existence on the earth and is the motive force of photosynthesis in vegetation and the resource of all nutrition and effort for residing issues. As visible with the bare eye, the sunlight seems to be as a static and quiet yellow disk within the sky. even if, it's a stormy and ever-changing megastar that contributes even more than warmth and light.

The tapestry of modern astrophysics

The scope of recent astrophysics is the whole cosmos and every thing in it. As and sizeable as its topic, The Tapestry of contemporary Astrophysics offers complex undergraduates or graduate-level scholars with a finished advent to the topic. fending off axiomatic shows, the writer combines large qualitative discussions with analytical remedies in order that scholars boost actual intuition-the mix of observations and theoretical "horse experience" that's helpful for learn within the box.

Solar History: An Introduction

Past the 4 centuries of sunspot statement and the 5 a long time within which man made satellites have monitored the sunlight – that's to assert for ninety nine. 99999% of the Sun’s life – our wisdom of sunlight heritage relies mostly on analogy with kindred major series stars, at the final result of assorted types of modelling, and on oblique measures of sunlight task.

Additional info for A Superfluid Universe

Example text

27) En (k ) = ωn (k) |qn (k )|2 2 where ωn is a normal frequency. The energy is equal to k B T, by the equipartition of energy. 29) The dominant contribution comes from the smallest ωn (k ), which corresponds to the Goldstone mode, with ωn (k ) = ck. 30) which diverges at the lower limit for D ≤ 2, but is otherwise convergent. In other words, fluctuations in the long-wavelength Goldstone mode will destroy long-ranged order for D ≤ 2, but not otherwise. The other effect that could destroy long-ranged order is gravitational clumping.

References [1] K. S. Schwarz, Phys. Rev. B 31, 5782 (1985); Phys. Rev. 38, 2389 (1988). com by LA TROBE UNIVERSITY on 10/29/16. For personal use only. Quantum turbulence master 33 [2] R. P. 1, ed. C. J. 17. [3] D. Lathrop, Phys. Today, 3 June, 2010. [4] G. D. Holman, Phys. Today, 65, 56 (2012). [5] J. Koplik and H. Levine, Phys. Rev. Lett. 71, 1375 (1993). [6] D. Kivotides, C. F. Barenghi, D. C. Samuels, Phys. Rev. Lett. 87, 155301 (2001). [7] J. Maurer and P. Tabeling, Europhys. Lett. 43, 29 (1998).

It is determined only up to gauge transformations, and one can impose the “Lorentz gauge” ∂μ Bμν = 0 plus Bk0 = 0 [19] to reduce the number of independent components of Bμν to one. com by LA TROBE UNIVERSITY on 10/29/16. For personal use only. where S0 describes the potential flow of the superfluid, and S1 specifically describes the quantized vorticity. 28) into S1 , and the second term comes from a term −dG/dt, where G is the generator of the canonical transformation, needed to preserve the canonical form of the equations of motion.

Download PDF sample

Rated 4.97 of 5 – based on 42 votes