Interactions and dynamics of one-dimensional droplets, bubbles and kinks

• URL: http://arxiv.org/abs/2306.07055v2
• Date: Wed, 26 Jul 2023 19:19:17 GMT
• Title: Interactions and dynamics of one-dimensional droplets, bubbles and kinks
• Authors: G. C. Katsimiga, S. I. Mistakidis, B. A. Malomed, D. J. Frantzeskakis, R. Carretero-Gonz\'alez and P. G. Kevrekidis
• Abstract summary: We explore the dynamics and interactions of multiple bright droplets and bubbles, as well as the interactions of kinks with droplets and antikinks. Existence regions are identified for the one-dimensional droplets and bubbles in terms of their chemical potential. Our findings reveal dynamical features of droplets and kinks that can be detected in current experiments.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We explore the dynamics and interactions of multiple bright droplets and bubbles, as well as the interactions of kinks with droplets and with antikinks, in the extended one-dimensional Gross-Pitaevskii model including the Lee-Huang-Yang correction. Existence regions are identified for the one-dimensional droplets and bubbles in terms of their chemical potential, verifying the stability of the droplets and exposing the instability of the bubbles. The limiting case of the droplet family is a stable kink. The interactions between droplets demonstrate in-phase (out-of-phase) attraction (repulsion), with the so-called Manton's method explicating the observed dynamical response, and mixed behavior for intermediate values of the phase shift. Droplets bearing different chemical potentials experience mass-exchange phenomena. Individual bubbles exhibit core expansion and mutual attraction prior to their destabilization. Droplets interacting with kinks are absorbed by them, a process accompanied by the emission of dispersive shock waves and gray solitons. Kink-antikink interactions are repulsive, generating counter-propagating shock waves. Our findings reveal dynamical features of droplets and kinks that can be detected in current experiments.

Related papers

• Dispersive shock waves in a one-dimensional droplet-bearing environment [7.370081795303041]
  We demonstrate the controllable generation of distinct types of dispersive shock-waves emerging in a quantum droplet bearing environment. Surprisingly, dispersive shock waves persist across the hyperbolic-to-elliptic threshold. A plethora of additional wave patterns arise, such as rarefaction waves, traveling dispersive shock waves, (anti)kinks and droplet wavetrains.
  arXiv  Detail & Related papers  (2024-04-03T18:39:57Z)
• Bound impurities in a one-dimensional Bose lattice gas: low-energy properties and quench-induced dynamics [0.0]
  We study two mobile bosonic impurities immersed in a one-dimensional optical lattice and interacting with a bosonic bath. We consider the branch of repulsive interactions that induce the formation of bound impurities, akin to the bipolaron problem.
  arXiv  Detail & Related papers  (2024-02-05T15:01:14Z)
• Kagome qubit ice [55.73970798291771]
  Topological phases of spin liquids with constrained disorder can host a kinetics of fractionalized excitations. We present a realization of kagome spin ice in the superconducting qubits of a quantum annealer. We show evidence of both the Ice-I phase and an unconventional field-induced Ice-II phase.
  arXiv  Detail & Related papers  (2023-01-04T23:46:48Z)
• Probing dynamics of a two-dimensional dipolar spin ensemble using single qubit sensor [62.997667081978825]
  We experimentally investigate individual spin dynamics in a two-dimensional ensemble of electron spins on the surface of a diamond crystal. We show that this anomalously slow relaxation rate is due to the presence of strong dynamical disorder. Our work paves the way towards microscopic study and control of quantum thermalization in strongly interacting disordered spin ensembles.
  arXiv  Detail & Related papers  (2022-07-21T18:00:17Z)
• Phase diagram of Rydberg-dressed atoms on two-leg triangular ladders [50.591267188664666]
  We investigate the phase diagram of hard-core bosons in a triangular ladder with next-to-nearest-neighbor interaction along each leg. For weak interactions, Abelian bosonization predicts a spin density wave and a fully gapless Luttinger liquid phase. The competition with the zigzag interaction generates a charge density wave, a 'polarized holonic' phase, and a crystalline phase at the filling 2/5.
  arXiv  Detail & Related papers  (2022-07-01T12:49:04Z)
• Formation and quench of homonuclear and heteronuclear quantum droplets in one dimension [0.0]
  We exemplify the impact of beyond Lee-Huang-Yang (LHY) physics, especially due to intercomponent correlations, in the ground state and the quench dynamics of quantum droplets. Our findings pave the way for probing correlation-induced phenomena of droplet dynamics in current ultracold atom experiments.
  arXiv  Detail & Related papers  (2021-08-02T08:53:38Z)
• 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)
• Effects of Conical Intersections on Hyperfine Quenching of Hydroxyl OH in collision with an ultracold Sr atom [62.60678272919008]
  We report on ultracold collision dynamics of the hydroxyl free-radical OH with Sr atoms leading to quenching of OH hyperfine states. Our quantum-mechanical calculations of this process reveal that quenching is efficient due to anomalous molecular dynamics in the vicinity of the conical intersection.
  arXiv  Detail & Related papers  (2020-06-26T23:27:25Z)
• Interferences between Bogoliubov excitations and their impact on the evidence of superfluidity in a paraxial fluid of light [0.8336477625900557]
  Paraxial fluids of light are an alternative platform to atomic Bose-Einstein condensates and superfluid liquids. We show that interferences between the phonon excitations that would be a clear signature of the collective superfluid behaviour have not been observed to date. Results are evidence of a key signature of light superfluidity and provide a novel characterization tool for quantum simulations with photons.
  arXiv  Detail & Related papers  (2020-05-28T22:33:55Z)
• 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)
• BEC immersed in a Fermi sea: Theory of static and dynamic behavior across phase separation [1.7990829163162367]
  We study the static and dynamic behavior of a BEC immersed in a large Fermi sea of ultracold atoms under conditions of tunable interspecies interaction. We develop mean-field models to simulate the system over a wide range of repulsion strength. We show that the mediated interaction between bosons induced by the Fermi sea can be understood as an adiabatic second-order mean-field effect.
  arXiv  Detail & Related papers  (2020-04-17T15:03:27Z)

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.