Spin-Wave instabilities in3He-4He solutions at high magnetic field

König, Reinhard; Ager, J. H.; Bowley, R. M.; Owers‐Bradley, J. R.; Meyerovich, A. E.

doi:10.1007/bf00753399

Cited by 6 publications

(6 citation statements)

References 2 publications

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“…The calculation of one of these diagrams and the limit F'" of the corresponding vertex function yields the following addition to the Landau interaction function: 2), (19). Here the divergencies in the dipole integrand do not cause any problems.…”

Section: Hd=4zc(h(mh)/h2-m/3) Z 2mentioning

confidence: 97%

“…On,T(co-k-v-~ )-k-vO++~m ] p')Sn,T(p' ) (19) where O+ and mare defined in (10) In spin-polarized Fermi liquids, the transverse collision integral is has the structure (1) and is finite even at T= 01-8 resulting in the zerotemperature attenuation of the spin waves. On the other hand, the density (sound) oscillations of On are coupled to and accompanied by the oscillations of the longitudinal component of the magnetic moment Om, Eq.…”

Section: (O)] Ffl)(p Df=is Tmentioning

confidence: 99%

“…(2), (19). This will not only simplify the longitudinal equations, but will allow us to write transverse equations in a standard Fermi-liquid form without any microscopic complications inherent to the transverse equations in dense highly polarized Fermi liquids.…”

Section: (O)] Ffl)(p Df=is Tmentioning

confidence: 99%

“…(2) and (19) is provided by the magnetic dipole-dipole interaction with the Hamiltonianl3. Coupling of Eqs.…”

Section: (O)] Ffl)(p Df=is Tmentioning

confidence: 99%

“….v(Jr-g,)~rmF o "" f dn '-~ dF'4 -'~ ~fl2Z2k. v5-~ 3q=q+l 5n'~T3q;q-+on'coupling corrections appear in Eqs (19). for dntr and Onrl,E 21iL~r.~ r=Jn~r.r~(co-k.vT-f~)jn, 3q:q + )• ' X, PF m(-F~(' f 3n'~r.T ~ dF' + ~ 7"f, fl2Z 2 -q'--dF'(24)We are interested in the sound attenuation caused by zero-temperature non-vanishing part of the collision operator sIn the absence of dipole coupling, the (zero-) sound solution of Eq.…”

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confidence: 99%

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Zero-temperature relaxation in spin-polarized fermi liquids

Meyerovich

Stepaniants

1997

J Low Temp Phys

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We discuss the effect of zero-temperature attenuation, which has been recently observed in spin dynamics of spin-polarized Fermi liquids, on other Fermi-liquid processes. The transfer of" this attenuation mechanism J?om transverse spin dynamics to longitudinal processes can be caused by the magnetic dipole interaction, namely, by the direct dipole processes and the dipole coupling between the transverse spin dynamics and the longitudinal transport and relaxation processes. We calculated the zero-temperature sound attenuation in spin-polarized Fermi liquids, corrections to the threshold of spin-wave ( Castaing) instability, and the eJ]'ective zero-temperature viscosity and longitudinal relaxation time in low-and high-frequency regbnes.

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Section: Hd=4zc(h(mh)/h2-m/3) Z 2mentioning

confidence: 97%

Section: (O)] Ffl)(p Df=is Tmentioning

confidence: 99%

Section: (O)] Ffl)(p Df=is Tmentioning

confidence: 99%

“…(2) and (19) is provided by the magnetic dipole-dipole interaction with the Hamiltonianl3. Coupling of Eqs.…”

Section: (O)] Ffl)(p Df=is Tmentioning

confidence: 99%

mentioning

confidence: 99%