Dynamical Zeeman resonance in spin-orbit-coupled spin-1 Bose gases
- URL: http://arxiv.org/abs/2007.14131v1
- Date: Tue, 28 Jul 2020 11:23:39 GMT
- Title: Dynamical Zeeman resonance in spin-orbit-coupled spin-1 Bose gases
- Authors: Jingtao Fan, Gang Chen, Suotang Jia
- Abstract summary: The Bose-Einstein condensate is assumed to be in some superposed state of Zeeman sublevels and subject to a sudden shift of the trapping potential.
It is shown that the time-averaged center-of-mass oscillation and the spin polarizations of the Bose-Einstein condensate exhibit remarkable resonant peaks when the Zeeman fields are tuned to certain strengths.
- Score: 5.624813092014403
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We predict a dynamical resonant effect, which is driven by externally applied
linear and quadratic Zeeman fields, in a spin-orbit-coupled spin-1
Bose-Einstein condensate. The Bose-Einstein condensate is assumed to be
initialized in some superposed state of Zeeman sublevels and subject to a
sudden shift of the trapping potential. It is shown that the time-averaged
center-of-mass oscillation and the spin polarizations of the Bose-Einstein
condensate exhibit remarkable resonant peaks when the Zeeman fields are tuned
to certain strengths. The underlying physics behind this resonance can be
traced back to the out-of-phase interference of the dynamical phases carried by
different spinorbit states. By analyzing the single particle spectrum, the
resonant condition is summarized as a simple algebraic relation, connecting the
strengths of the linear and quadratic Zeeman fields. This property is
potentially applicable in quantum information and quantum precision
measurement.
Related papers
- Observation of string breaking on a (2 + 1)D Rydberg quantum simulator [59.63568901264298]
We report the observation of string breaking in synthetic quantum matter using a programmable quantum simulator.
Our work paves a way to explore phenomena in high-energy physics using programmable quantum simulators.
arXiv Detail & Related papers (2024-10-21T22:33:16Z) - Tachyonic and parametric instabilities in an extended bosonic Josephson Junction [0.0]
We study the dynamics and decay of quantum phase coherence for Bose-Einstein condensates in tunnel-coupled quantum wires.
We investigate the phenomenon of self-trapping in the relative population imbalance of the two condensates.
We discuss realistic parameters for experimental realizations of the $pi$-mode in ultracold atom setups.
arXiv Detail & Related papers (2024-10-14T14:22:49Z) - Bloch-Landau-Zener oscillations in a quasi-periodic potential [0.0]
Bloch oscillations and Landau-Zener tunneling are ubiquitous phenomena which are sustained by a band-gap spectrum of a periodic Hamiltonian.
Here we consider the dynamics of noninteracting atoms and Bose-Einstein condensates in a quasi-periodic one-dimensional optical lattice subjected to a weak linear force.
arXiv Detail & Related papers (2024-03-31T10:58:59Z) - Quantum vibrational mode in a cavity confining a massless spinor field [91.3755431537592]
We analyse the reaction of a massless (1+1)-dimensional spinor field to the harmonic motion of one cavity wall.
We demonstrate that the system is able to convert bosons into fermion pairs at the lowest perturbative order.
arXiv Detail & Related papers (2022-09-12T08:21:12Z) - Faraday imaging induced squeezing of a double-well Bose-Einstein
condensate [0.0]
We examine how non-destructive measurements generate spin squeezing in an atomic Bose-Einstein condensate confined in a double-well trap.
The condensate in each well is monitored using coherent light beams in a Mach-Zehnder configuration that interacts with the atoms through a quantum nondemolition Hamiltonian.
We find that monitoring the condensate at zero detection current and with identical coherent light beams minimizes the backaction of the measurement on the atoms.
arXiv Detail & Related papers (2021-04-06T09:16:04Z) - Quantum chaos driven by long-range waveguide-mediated interactions [125.99533416395765]
We study theoretically quantum states of a pair of photons interacting with a finite periodic array of two-level atoms in a waveguide.
Our calculation reveals two-polariton eigenstates that have a highly irregular wave-function in real space.
arXiv Detail & Related papers (2020-11-24T07:06:36Z) - Quantum dynamics and relaxation in comb turbulent diffusion [91.3755431537592]
Continuous time quantum walks in the form of quantum counterparts of turbulent diffusion in comb geometry are considered.
Operators of the form $hatcal H=hatA+ihatB$ are described.
Rigorous analytical analysis is performed for both wave and Green's functions.
arXiv Detail & Related papers (2020-10-13T15:50:49Z) - Twist-and-store entanglement in bimodal and spin-1 Bose-Einstein
condensates [0.0]
The scheme consists of twisting dynamics followed by a single rotation of a state which limits further evolution around stable center fixed points in the mean-field phase space.
The readout of parity quantifies the level of entanglement during entire evolution.
arXiv Detail & Related papers (2020-09-15T22:16:42Z) - Quantum Zeno effect appears in stages [64.41511459132334]
In the quantum Zeno effect, quantum measurements can block the coherent oscillation of a two level system by freezing its state to one of the measurement eigenstates.
We show that the onset of the Zeno regime is marked by a $textitcascade of transitions$ in the system dynamics as the measurement strength is increased.
arXiv Detail & Related papers (2020-03-23T18:17:36Z) - Zitterbewegung and Klein-tunneling phenomena for transient quantum waves [77.34726150561087]
We show that the Zitterbewegung effect manifests itself as a series of quantum beats of the particle density in the long-time limit.
We also find a time-domain where the particle density of the point source is governed by the propagation of a main wavefront.
The relative positions of these wavefronts are used to investigate the time-delay of quantum waves in the Klein-tunneling regime.
arXiv Detail & Related papers (2020-03-09T21:27:02Z) - Driving Quantum Correlated Atom-Pairs from a Bose-Einstein Condensate [0.0]
We investigate one such control protocol that demonstrates the resonant amplification of quasimomentum pairs from a Bose-Einstein condensate.
A classical external field that excites pairs of particles with the same energy but opposite momenta is reminiscent of the coherently-driven nonlinearity in a parametric amplifier crystal.
arXiv Detail & Related papers (2020-01-08T00:11:26Z)
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.