Książka Excitations in a Bose-condensed Liquid Allan Griffin

Excitations in a Bose-condensed Liquid

Autor: Allan Griffin
Język: Angielski
Oprawa: Miękka
Dostępność: Dostępna u dostawcy
Wysyłamy za 14-21 dni
297.41
This volume gives an up-to-date, systematic account of the microscopic theory of Bose-condensed flui...

Informacje o książce

Język
Angielski
Oprawa
Książka - Miękka
Data wydania
2005
strony
324
EAN
9780521019989
ISBN
0521019982
Enbook ID
02018083
Waga
488
Wymiary
229 x 154 x 29

Pełny opis

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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