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Related Concept Videos

¹H NMR: Long-Range Coupling01:27

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The coupling interactions of nuclei across four or more bonds are usually weak, with J values less than 1 Hz. While these are usually not observed in spectra, the presence of multiple bonds along the coupling pathway can result in observable long-range coupling.
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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing...
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The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
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Related Experiment Video

Updated: Apr 27, 2026

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics
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Many-atom-cavity QED system with homogeneous atom-cavity coupling.

Jongmin Lee, Geert Vrijsen, Igor Teper

    Optics Letters
    |July 1, 2014
    PubMed
    Summary
    This summary is machine-generated.

    We developed a novel many-atom-cavity system using a dual-wavelength optical lattice. This system achieves highly uniform coupling of rubidium atoms to a cavity mode for advanced quantum applications.

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    Area of Science:

    • Atomic physics
    • Quantum optics
    • Cavity quantum electrodynamics

    Background:

    • Cavity quantum electrodynamics (cQED) studies the interaction between quantum emitters and optical cavities.
    • Achieving uniform atom-cavity coupling is crucial for scalable quantum systems.
    • Previous systems often struggle with inhomogeneous broadening and coupling variations.

    Purpose of the Study:

    • To demonstrate a many-atom-cavity system with homogeneous atom-cavity coupling.
    • To enable precise control over collective atomic behavior within an optical cavity.
    • To lay the groundwork for advanced quantum simulations and information processing.

    Main Methods:

    • Utilizing a high-finesse dual-wavelength standing wave optical cavity.
    • Employing a 1560-nm cavity mode to form a one-dimensional optical lattice.
    • Confining and coupling multiple rubidium atoms to a 780-nm cavity mode.

    Main Results:

    • Achieved nearly identical coupling of all participating rubidium atoms to the 780-nm cavity mode.
    • Demonstrated homogeneous coupling enforced by the 1D optical lattice.
    • Established a robust platform for studying collective quantum phenomena.

    Conclusions:

    • The demonstrated system provides a scalable architecture for many-atom-cavity experiments.
    • Homogeneous coupling is a key enabler for advanced quantum control and applications.
    • This work advances the development of quantum simulators and quantum information processors.