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Roton
Known as:
Roton (disambiguation)
In theoretical physics, a roton is an elementary excitation, or quasiparticle, in superfluid helium-4. The dispersion relation of elementary…
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Related topics
Related topics
4 relations
Macroscopic quantum phenomena
Phonon
Quasiparticle
Second sound
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2013
2013
DENSITY WAVES IN DIPOLAR BOSE-EINSTEIN CONDENSATES
A. Nicolin
2013
Corpus ID: 124596139
Density waves in cigar-shaped dipolar Bose-Einstein condensates are analysed by variational means and we show analytically how…
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2013
2013
Hydrodynamic theory of Rotating Ultracold Supersolids
Sankalpa Ghosh
,
R. Sachdeva
2013
Corpus ID: 117310009
Abstract Ultra cold atomic condensate with long range interaction is considered as a possible candidateto realize the supersolid…
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2010
2010
On the Nature of a Narrow Roton Absorption Line in the Spectrum of a Disk-shaped SHF Resonator
V. Loktev
,
M. Tomchenko
Ukrainian Journal of Physics
2010
Corpus ID: 118123258
We calculate the probability of the creation of a circular phonon (c-phonon) in He II by a c-photon of the resonator. It is shown…
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2009
2009
Roton dipole moment
V. Mineev
2009
Corpus ID: 122388138
The roton excitation in the superfluid 4He does not possess a stationary dipole moment. However, a roton has an instantaneous…
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2008
2008
Roton softening and supersolidity in Rb spinor condensates
R. W. Cherng
,
E. Demler
2008
Corpus ID: 118586530
Rb spinor condensates once dipolar interactions and spindynamics are taken into account. By including the effects of a quasi-two…
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2008
2008
A pr 2 00 3 U ( 1 ) Gauge Theory as Quantum Hydrodynamics
G. Setlur
2008
Corpus ID: 18692176
It is shown that gauge theories are most naturally studied via a polar decomposition of the field operator. Gauge transformations…
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2004
2004
Collective modes of # = 2 quantum Hall bilayers in tilted magnetic fields
A. Lopatnikova
,
S. Simon
,
E. Demler
2004
Corpus ID: 7830888
We use the time-dependent Hartree Fock approximation to study the collective-mode spectra of n =2 quantum Hall bilayers in tilted…
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2003
2003
Transverse Spin Effects in Proton‐proton Scattering and QQ̄ Production
S. Goloskokov
2003
Corpus ID: 17923613
We discuss transverse spin effects caused by the spin‐flip part of the Pomeron coupling with the proton. The predicted spin…
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1999
1999
The Search for Proton Decay at Super-Kamiokande
K. Ganezer
1999
Corpus ID: 118520720
Seventy years ago (in 1929) Weyl proposed that the proton was absolutely stable. In later years this hypothesis was advanced by…
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1992
1992
The Role of Latent Heat Release in Explosive Cyclogenesis
Donald M. Rinderknecht
1992
Corpus ID: 127303204
Abstract : Extratropical cyclones and their attendant fronts are the primary cause of day to day weather changes at any given…
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