منابع مشابه
Single and Double Resonance Microwave Spectroscopy in Superfluid He Clusters
Purely rotational transitions of a molecule embedded in large He clusters have been detected for the first time. The saturation behavior shows that, in contrast to previous expectations, the microwave line profiles are dominated by inhomogeneous broadening mechanisms. Spectral holes and peaks produced by microwave-microwave double resonance have widths comparable to those of single resonance li...
متن کاملAcoustic Spectroscopy of Superfluid He in Aerogel
We have designed an experiment to study the role of global anisotropic quasiparticle scattering on the dirty aerogel superfluid He system. We observe significant regions of two stable phases at temperatures below the superfluid transition at a pressure of 25 bar for a 98% aerogel.
متن کاملSingle and Double Resonance Microwave Spectroscopy in Superfluid 4He Clusters
I. Reinhard,* C. Callegari, A. Conjusteau, K. K. Lehmann, and G. Scoles Department of Chemistry, Princeton University, Princeton, New Jersey 08544 (Received 18 February 1999) Purely rotational transitions of a molecule embedded in large 4He clusters have been detected for the first time. The saturation behavior shows that, in contrast to previous expectations, the microwave line profiles are do...
متن کاملNonlinear and shock waves in superfluid He II
We review studies of the generation and propagation of nonlinear and shock sound waves in He II the superfluid phase of He , both under the saturated vapor pressure SVP and at elevated pressures. The evolution in shape of second and first sound waves excited by a pulsed heater has been investigated for increasing power W of the heat pulse. It has been found that, by increasing the pressure P fr...
متن کاملSuperfluid 3 He
In this report I will discuss the main properties of the superfluid phases of Helium 3. First, a brief description of the experimental observations and the phase diagram of Helium 3 is made. This is followed by a discussion of the superfluid phases from a theoretical point of view based on the generalized BCS theory in the weak coupling regime.
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: Low Temperature Physics
سال: 2019
ISSN: 1063-777X,1090-6517
DOI: 10.1063/1.5090092