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Equivalent non-rational extensions of the harmonic oscillator, their ladder operators and coherent states
In this work, we generate a family of quantum potentials that are non-rational extensions of the harmonic oscillator. Such a family can be obtained...
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Second harmonic injection locking of coupled spin torque vortex oscillators with an individual phase access
The synchronisation of magnetic tunnel junctions in the high frequency domain has attracted significant interest in the context of novel computation...
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Harmonic Oscillator in Cosmic String Space-Time with Dislocation Under a Repulsive \(1/r^2\) Potential and Rotational Frame Effects
In this paper, we investigate the behavior of a quantum harmonic oscillator in the presence of a repulsive inverse-square potential within a cosmic...
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Harmonic analysis of 2d CFT partition functions
We apply the theory of harmonic analysis on the fundamental domain of SL(2 , ℤ) to partition functions of two-dimensional conformal field theories. We...
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Quasi-Phase Amplification of High-Order Harmonic Generation As a Method for Producing Seed Radiation for X-Ray Free-Electron Lasers
AbstractThe efficiency and temporal coherence of X-ray free-electron laser radiation can be significantly improved using coherent radiation as a...
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Third-harmonic Mie scattering from semiconductor nanohelices
Chiroptical spectroscopies provide structural analyses of molecules and nanoparticles but they require sample volumes that are incompatible with...
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Second Harmonic Generation and \({\varvec{\upchi}}\) (2) Cascading in Periodically Poled MgO:LiNbO3 Photonic Wires
We study second harmonic generation in LiNbO3 nanowaveguides, operated with sub-pJ pulses at 1424 nm in the picosecond regime generating 0.5...
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Experimental Testing of a Bi-stable Point Wave Energy Absorber Under Harmonic Waves
The hypothesis that a bi-stable nonlinear restoring element will help reduce the sensitivity of a point wave energy absorber’s response to variations...
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Resonant enhancement of second harmonic generation in etchless thin film lithium niobate heteronanostructure
Lithium niobate has received interest in nonlinear frequency conversion due to its wide transparency window, from ultraviolet to mid-infrared...
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High Harmonic Generation in Triangular Graphene Quantum Dots
AbstractHigher harmonic generation in plane graphene quantum dots initiated by intense coherent radiation is investigated using dynamical...
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Harmonic-type central potential effects induced by Lorentz symmetry violation on relativistic quantum oscillator field
A spin-zero relativistic quantum oscillator model prescribed by the Klein–Gordon oscillator under harmonic-type central potential effects induced by...
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Electric field effect on the nonlinear second- and third-harmonic generation of a Rosen–Morse quantum well
In this study, the nonlinear second harmonic generation(SHG) and third harmonic generation(THG) in a GaAlAs/GaAs Rosen–Morse quantum well(QW) are...
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Harmonic and Superharmonic Components in Periodic Waves Propagating Through Mechanical Metamaterials with Inertial Amplification
In the nonlinear dynamics of periodic microstructured systems, the amplitude-dependent dispersion properties of mechanical metamaterials are...
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Harmonic structures of Beethoven quartets: a complex network approach
AbstractWe propose a complex network approach to the harmonic structure underpinning western tonal music. From a database of Beethoven’s string...
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Towards single atom computing via high harmonic generation
The development of alternative platforms for computing has been a longstanding goal for physics, and represents a particularly pressing concern as...
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Femtosecond laser induced optical second harmonic generation in pulsed laser deposited VO2 thin films
Vanadium dioxide (VO 2 ) is a material that undergoes a first-order metal–insulator transition and belonging to the centrosymmetric class of materials...
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Optimization of high-order harmonic generation for the time-resolved ARPES
We experimentally investigated the optimized phase matching condition for high order harmonic generation as a source of time-resolved Angle-resolved...
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Distinctive Features of Anomalous Plasma Radiation in Experiments on Electron Cyclotron Heating Using Extraordinary Wave at the Second Resonance Harmonic in a Wide Density Range
AbstractA detailed interpretation of the effect of anomalous radiation is given, which was first observed at the TEXTOR tokamak in experiments on...
