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Mesoscopic hydro-thermodynamics of phonons
Published 2013-07-01“…A generalized Hydrodynamics, referred to as Mesoscopic Hydro-Thermodynamics, of phonons in semiconductors is presented. It involves the descriptions of the motion of the quasi-particle density and of the energy density. …”
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Phonon creation by gravitational waves
Published 2014-01-01“…We show that gravitational waves create phonons in a Bose–Einstein condensate (BEC). A traveling spacetime distortion produces particle creation resonances that correspond to the dynamical Casimir effect in a BEC phononic field contained in a cavity-type trap. …”
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Cavity control of nonlinear phononics
Published 2021-08-01“…Nonlinear interactions between phonon modes govern the behavior of vibrationally highly excited solids and molecules. …”
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Edge phonons in black phosphorus
Published 2016-07-01“…Here, the authors use Raman spectroscopy and density functional theory calculations to investigate the anomalous behaviour of phonons near different black phosphorus edges.…”
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Spacetime representation of topological phononics
Published 2018-01-01Subjects: “…topological phononics…”
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Optomechanics with two-phonon driving
Published 2016-01-01“…We consider the physics of an optomechanical cavity subject to coherent two-phonon driving, i.e. degenerate parametric amplification of the mechanical mode. …”
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Polariton-driven phonon laser
Published 2020-09-01“…Efficient generation of phonons is an important ingredient for a prospective electrically-driven phonon laser for coherent control of quantum systems. …”
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On effective theory of superfluid phonons
Published 2020-06-01“…Namely, for a proper treatment of the latter the phonons with momenta greater than mcs are relevant at times (with m being the mass of the superfluid constituent and cs denoting the sound-speed), which lie beyond the regime of validity of the naive effective theory mentioned above. …”
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