منابع مشابه
Generation of dark-bright soliton trains in superfluid-superfluid counterflow.
The dynamics of two penetrating superfluids exhibit an intriguing variety of nonlinear effects. Using two distinguishable components of a Bose-Einstein condensate, we investigate the counterflow of two superfluids in a narrow channel. We present the first experimental observation of trains of dark-bright solitons generated by the counterflow. Our observations are theoretically interpreted by th...
متن کاملSuperfluid transition in superfluid 3He in radially compressed aerogel
The Spin Supercurrent and Bose-Einstein condensation of magnons similar to an atomic BEC was observed in 1984 in superfluid He-B. Recently we discovered 2 new types of BEC in superfluid He in deformed aerogel. The orbital part of the wave function orients along the deformation and changes the magnon-magnon interaction. In some cases it forms a magnon trap. We can do it for He-A by uniaxially co...
متن کاملSuperfluid optomechanics: coupling of a superfluid to a superconducting condensate
We investigate the low loss acoustic motion of superfluid He parametrically coupled to a very low loss, superconducting Nb TE011 microwave resonator, forming a gram-scale, sideband resolved, optomechanical system. We demonstrate the detection of a series of acoustic modes with quality factors as high as × 1.4 107. At higher temperatures, the lowest dissipation modes are limited by an intrinsic ...
متن کاملSuperfluid motion of light.
Superfluidity, the ability of a fluid to move without dissipation, is one of the most spectacular manifestations of the quantum nature of matter. We explore here the possibility of superfluid motion of light. Controlling the speed of a light packet with respect to a defect, we demonstrate the presence of superfluidity and, above a critical velocity, its breakdown through the onset of a dissipat...
متن کاملSuperfluid Vortex Nucleation
In an earlier paper 2] the author introduced a nonlinear Schrr odinger model for superruid that captures the process of mutual friction between the super-uid and normal uid components of helium II. Topological defects in the solution of this equation are identiied as superruid vortices, and in that paper, an asymp-totic dynamics for the vortices was derived in the case they are widely separated...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1976
ISSN: 0028-0836,1476-4687
DOI: 10.1038/260668b0