Aspects of arbitrarily oriented dipoles scattering in plane: short-range interaction influence

• URL: http://arxiv.org/abs/2010.02336v2
• Date: Sat, 14 Nov 2020 18:10:31 GMT
• Title: Aspects of arbitrarily oriented dipoles scattering in plane: short-range interaction influence
• Authors: Eugene A. Koval, Oksana A. Koval
• Abstract summary: The impact of the short-range interaction on the resonances occurrence in the anisotropic dipolar scattering in a plane was numerically investigated. We revealed the strong dependence of the cross section of the 2D dipolar scattering on the radius of short-range interaction.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The impact of the short-range interaction on the resonances occurrence in the anisotropic dipolar scattering in a plane was numerically investigated for the arbitrarily oriented dipoles and for a wide range of collision energies. We revealed the strong dependence of the cross section of the 2D dipolar scattering on the radius of short-range interaction, which is modeled by a hard wall potential and by the more realistic Lennard-Jones potential, and on the mutual orientations of the dipoles. We defined the critical (magic) tilt angle of one of the dipoles, depending on the direction of the second dipole for arbitrarily oriented dipoles. It was found that resonances arise only when this angle is exceeded. In contrast to the 3D case, the energy dependencies of the boson (fermion) 2D scattering cross section grows (is reduced) with an energy decrease in the absence of the resonances. We showed that the mutual orientation of dipoles strongly impacts the form of the energy dependencies, which begin to oscillate with the tilt angle increase, unlike the 3D dipolar scattering. The angular distributions of the differential cross section in the 2D dipolar scattering of both bosons and fermions are highly anisotropic at non-resonant points. The results of the accurate numerical calculations of the cross section agree well with the results obtained within the Born and eikonal approximations.

Related papers

• Spin relaxation in inhomogeneous magnetic fields with depolarizing boundaries [24.03686690579752]
  Field-inhomogeneity-induced relaxation of atomic spins confined in vapor cells with depolarizing walls is studied. In contrast to nuclear spins, such as noble-gas spins, atomic spins in uncoated cells undergo randomization at the boundaries.
  arXiv  Detail & Related papers  (2024-03-13T07:15:50Z)
• Unveiling the Quantum Toroidal Dipole in Nanosystems: Quantization, Interaction Energy, and Measurement [44.99833362998488]
  We investigate a quantum particle confined to a toroidal surface in the presence of a filiform current along the system's rotational axis. Our analysis reveals that the interaction between the particle and the current induces a non-zero toroidal dipole in the particle's stationary states.
  arXiv  Detail & Related papers  (2024-01-26T13:31:32Z)
• Propagation of light in cold emitter ensembles with quantum position correlations due to static long-range dipolar interactions [0.0]
  We analyze the scattering of light from dipolar emitters whose disordered positions exhibit correlations induced by static, long-range dipole-dipole interactions. The quantum-mechanical position correlations are calculated for zero temperature bosonic atoms or molecules using variational and diffusion quantum Monte Carlo methods. For stationary atoms in dense ensembles in the limit of low light intensity, the simulations yield solutions for the optical responses to all orders of position correlation functions that involve electronic ground and excited states.
  arXiv  Detail & Related papers  (2023-10-24T20:02:40Z)
• Attractive trion-polariton nonlinearity due to Coulomb scattering [19.444636864515726]
  nonlinear interaction between trion-polaritons is attractive, and is fivefold stronger than exciton-polariton interaction. Our work describes the regime where trion-polaritons offer the prospects for attractive fluids of light in monolayers of transition metal dichalcogenides.
  arXiv  Detail & Related papers  (2022-04-01T17:36:11Z)
• Fano interference in quantum resonances from angle-resolved elastic scattering [62.997667081978825]
  We show that probing the angular dependence of the cross section allows us to unveil asymmetric Fano profiles in a single channel shape resonance. We observe a shift in the peak of the resonance profile in the elastic collisions between metastable helium and deuterium molecules.
  arXiv  Detail & Related papers  (2021-05-12T20:41:25Z)
• Spin-orbit coupling in organic microcavities: Lower polariton splitting, triplet polaritons, and disorder-induced dark-states relaxation [0.0]
  We study the effect of the spin-orbit coupling between the singlet and the triplet molecular excitons in organic microcavities. We find that the spin-orbit coupling splits the lower polariton into two branches, and also creates a triplet polariton when the cavity mode is in resonance with the triplet excitons.
  arXiv  Detail & Related papers  (2021-04-14T17:55:17Z)
• Beam focus and longitudinal polarization influence on spin dynamics in the Kapitza-Dirac effect [0.0]
  We investigate the influence of a longitudinal laser polarization component from beam focusing on spin dynamics in Kapitza-Dirac scattering. We find that corrections from a longitudinal laser beam polarization component approximately scale with the second power of the diffraction angle $epsilon$, from which we conclude that a related influence from beam focusing can be made negligibly small for sufficiently low beam.
  arXiv  Detail & Related papers  (2021-03-12T07:45:35Z)
• Light-matter interactions near photonic Weyl points [68.8204255655161]
  Weyl photons appear when two three-dimensional photonic bands with linear dispersion are degenerated at a single momentum point, labeled as Weyl point. We analyze the dynamics of a single quantum emitter coupled to a Weyl photonic bath as a function of its detuning with respect to the Weyl point.
  arXiv  Detail & Related papers  (2020-12-23T18:51:13Z)
• Strong-field physics in three-dimensional topological insulators [0.0]
  We focus on the process of non-perturbative high-order harmonic generation from the paradigmatic three-dimensional topological insulator bisselenide. We analyze the contributions from the spin-orbit-coupled bulk states and the topological surface bands separately and reveal a major difference in how their harmonic yields depend on the ellipticity of the laser field.
  arXiv  Detail & Related papers  (2020-08-04T01:24:00Z)
• Anisotropic Stark shift, field-induced dissociation, and electroabsorption of excitons in phosphorene [0.0]
  We compute binding energies, Stark shifts, electric-field-induced dissociation rates, and the Franz-Keldysh effect for excitons in phosphorene. The anisotropy of phosphorene is largely due to the direction of the effective masses.
  arXiv  Detail & Related papers  (2020-06-23T11:25:28Z)
• Optically pumped spin polarization as a probe of many-body thermalization [50.591267188664666]
  We study the spin diffusion dynamics of 13C in diamond, which we dynamically polarize at room temperature via optical spin pumping of engineered color centers. We find good thermal contact throughout the nuclear spin bath, virtually independent of the hyperfine coupling strength. Our results open intriguing opportunities to study the onset of thermalization in a system by controlling the internal interactions within the bath.
  arXiv  Detail & Related papers  (2020-05-01T23:16:33Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.