TRANSVERSE RESPONSE OF HE-3-A FOR PARALLEL PLATE GEOMETRY - COUPLED FLUID AND ORBITAL MOTION
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We have studied the transverse response of3He-A for the parallel plate geometry, employing the hydrodynamics of Graham. When particle-hole symmetry is employed to set certain reactive and dissipative coefficients to zero, the four modes have frequencies 1,2=-(s1,2)ik2, where s1,2=a1,2ib1,2are constants and k is the wavevector magnitude. Away from Tcthe fluid and orbital motions are strongly coupled. Experimental generation of these modes is considered. 1977 Plenum Publishing Corporation.