Könyv Excitations in a Bose-condensed Liquid Allan Griffin

Excitations in a Bose-condensed Liquid

Szerző: Allan Griffin
Nyelv: Angol
Kötés: Kemény kötésű
Elérhetőség: Beszállítói készleten
Küldés 14-21 napon belül
67 928 Ft
This volume gives an up-to-date, systematic account of the microscopic theory of Bose-condensed flui...

Információk a könyvről

Szerző
Nyelv
Angol
Kötés
Könyv - Kemény kötésű
Kiadva
1993
oldal
324
EAN
9780521432719
ISBN
0521432715
Enbook ID
02030702
Súly
620
Méretek
236 x 159 x 28

Teljes leírás

This volume gives an up-to-date, systematic account of the microscopic theory of Bose-condensed fluids developed since the late 1950s. In contrast to the usual phenomenological discussions of superfluid 4He, the present treatment is built on the pivotal role of the Bose broken symmetry and a Bose condensate. The many-body formalism is developed, with emphasis on the one- and two-particle Green's functions and their relation to the density response function. These are all coupled together by the Bose broken symmetry, which provides the basis for understanding the elementary excitations and response functions in the hydrodynamic and collisionless regions. It also explains the difference between excitations in the superfluid and normal phases. Chapter 4 gives the first critical assessment of the experimental evidence for a Bose condensate in liquid 4He, based on high-momentum neutron scattering data.

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