Collisional properties of a polarized Fermi gas with resonant interactions

被引：50

作者：

Bruun, G. M. ^{[1
,2
,3
]}

Recati, A. ^{[1
,2
]}

Pethick, C. J. ^{[3
,4
]}

Smith, H. ^{[3
]}

Stringari, S. ^{[1
,2
]}

机构：

[1] Univ Trent, Dipartimento Fis, I-38050 Trento, Italy

[2] CNR INFM BEC Ctr, I-38050 Trento, Italy

[3] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen O, Denmark

[4] NORDITA, S-10691 Stockholm, Sweden

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.100.240406

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Highly polarized mixtures of atomic Fermi gases constitute a novel Fermi liquid. We demonstrate how information on thermodynamic properties may be used to calculate quasiparticle scattering amplitudes even when the interaction is resonant and apply the results to evaluate the damping of the spin dipole mode. We estimate that under current experimental conditions the mode would be intermediate between the hydrodynamic and collisionless limits.

引用

页数：4

共 16 条

[1]

Baym G., 1991, Landau Fermi Liquid Theory

[2] Normal state of highly polarized Fermi gases: Simple many-body approaches [J].

Combescot, R. ;

Recati, A. ;

Lobo, C. ;

Chevy, F. .

PHYSICAL REVIEW LETTERS, 2007, 98 (18)

[3] Spin excitations in a Fermi gas of atoms [J].

DeMarco, B ;

Jin, DS .

PHYSICAL REVIEW LETTERS, 2002, 88 (04) :4-404054

[4] Transition from collisionless to hydrodynamic behavior in an ultracold Fermi gas [J].

Gensemer, SD ;

Jin, DS .

PHYSICAL REVIEW LETTERS, 2001, 87 (17) :173201-173201

[5]

GIORGINI S, REV MOD PHY IN PRESS

[6] Universal thermodynamics of degenerate quantum gases in the unitarity limit [J].

Ho, TL .

PHYSICAL REVIEW LETTERS, 2004, 92 (09) :090402-1

[7] Normal state of a polarized fermi gas at unitarity [J].

Lobo, C. ;

Recati, A. ;

Giorgini, S. ;

Stringari, S. .

PHYSICAL REVIEW LETTERS, 2006, 97 (20)

[8] Twin peaks in rf spectra of Fermi gases at unitarity [J].

Massignan, P. ;

Bruun, G. M. ;

Stoof, H. T. C. .

PHYSICAL REVIEW A, 2008, 77 (03)

[9] Phase separation in a polarized Fermi gas at zero temperature [J].

Pilati, S. ;

Giorgini, S. .

PHYSICAL REVIEW LETTERS, 2008, 100 (03)

[10] Spin drag and spin-charge separation in cold Fermi gases [J].

Polini, Marco ;

Vignale, Giovanni .

PHYSICAL REVIEW LETTERS, 2007, 98 (26)

← 1 2 →