Analytical insights into cold bosonic atoms in a zigzag optical lattice: Invariant analysis, exact solutions, and bifurcation analysis using phase portraits
Sign Up to like & getrecommendations! Published in 2024 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.10161
Abstract: This work delves into the behavior of cold bosonic atoms within a zigzag optical lattice which offers a rich platform for studying quantum many‐body physics and has potential applications in various fields including quantum simulation,… read more here.
Keywords: exact solutions; analysis; optical lattice; cold bosonic ... See more keywords
Evolution of analytic solutions to the (3+1)-dimensional generalized nonlinear Schrödinger equation with variable coefficients and optical lattice
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.08.013
Abstract: Abstract When laser pulses propagate in an inhomogeneous nonlinear medium, we theoretically investigate the evolution of laser pulses by analytically solving the (3 + 1)-dimensional generalized nonlinear Schrodinger equation with variable coefficients and optical lattice. A series… read more here.
Keywords: evolution; analytic solutions; coefficient; optical lattice ... See more keywords
Modulation instability in one-dimensional bi-periodic optical lattice made of negative index metamaterials waveguide arrays
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DOI: 10.1016/j.ijleo.2021.167719
Abstract: Abstract In this paper, the dispersion relation and modulation instability (MI) have been studied in one-dimensional bi-periodic optical lattice of negative index metamaterials waveguide arrays. It is found that the plateaus will be appeared on… read more here.
Keywords: dimensional periodic; optical lattice; modulation; one dimensional ... See more keywords
Realizing discontinuous quantum phase transitions in a strongly correlated driven optical lattice
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DOI: 10.1038/s41567-021-01476-w
Abstract: Discontinuous quantum phase transitions and the associated metastability play central roles in diverse areas of physics ranging from ferromagnetism to the false vacuum decay in the early universe. Using strongly-interacting ultracold atoms in an optical… read more here.
Keywords: phase; optical lattice; phase transitions; quantum phase ... See more keywords
Gravity measurement at the sub-millimeter scale with optical lattice clock
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0192352
Abstract: Due to the excellent accuracy, the optical lattice clock (OLC) has not only achieved impressive results in frequency measurement but also gradually plays an important role in quantum precision measurement. In this paper, we propose… read more here.
Keywords: sub millimeter; optical lattice; millimeter scale;
Remote Comparison of Two Sr Optical Lattice Clocks through a 58 km Fiber Link
Sign Up to like & getrecommendations! Published in 2025 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/42/3/034201
Abstract: Two 87Sr optical lattice clocks (OLCs) are being developed and operated at the National Institute of Metrology (NIM), located on different campuses that are 40 km apart. In order to compare the optical frequencies of… read more here.
Keywords: comparison; lattice clocks; optical lattice; remote comparison ... See more keywords
Tight-binding tunneling amplitude of an optical lattice
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Physics"
DOI: 10.1088/1361-6404/aa8d2c
Abstract: The particle in a periodic potential is an important topic in an undergraduate quantum mechanics curriculum and a stepping stone on the way to more advanced topics, such as courses on interacting electrons in crystalline… read more here.
Keywords: binding tunneling; tight binding; physics; optical lattice ... See more keywords
Mobile spin impurity in an optical lattice
Sign Up to like & getrecommendations! Published in 2017 at "New Journal of Physics"
DOI: 10.1088/1367-2630/aa753e
Abstract: We investigate the Fermi polaron problem in a spin-1/2 Fermi gas in an optical lattice for the limit of both strong repulsive contact interactions and one dimension. In this limit, a polaronic-like behaviour is not… read more here.
Keywords: physics; impurity hamiltonian; optical lattice; spin ... See more keywords
Shortcut loading a Bose–Einstein condensate into an optical lattice
Sign Up to like & getrecommendations! Published in 2018 at "New Journal of Physics"
DOI: 10.1088/1367-2630/aac11b
Abstract: We present an effective and fast (few microseconds) procedure for transferring a Bose–Einstein condensate from the ground state in a harmonic trap into the desired bands of an optical lattice. Our shortcut method is a… read more here.
Keywords: einstein condensate; optical lattice; lattice shortcut; bose einstein ... See more keywords
Symmetries and the miscible-immiscible transition in Bose–Einstein condensates confined in optical lattice
Sign Up to like & getrecommendations! Published in 2025 at "Physica Scripta"
DOI: 10.1088/1402-4896/ae1d32
Abstract: We present a systematic investigation of symmetries and ground state phase transitions in two-dimensional Bose–Einstein condensates with rotational and spin–orbit couplings confined within one-dimensional optical lattices. For lattice phases φ=π2 , the vortex arrangement exhibits… read more here.
Keywords: bose einstein; optical lattice; symmetries miscible; einstein condensates ... See more keywords
Intercontinental frequency ratio measurement of 171 Yb and 88 Sr optical lattice clocks
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DOI: 10.1088/1681-7575/ad6a1e
Abstract: We report a remote, intercontinental frequency comparison between 171Yb (NMIJ) and 88Sr (UMK) optical lattice clocks. The frequencies were compared via the Global Positioning System Precise Point Positioning technique over the period from 10 March… read more here.
Keywords: intercontinental frequency; lattice clocks; frequency ratio; optical lattice ... See more keywords