Quantum Physics – Niels Bohr Institute - University of Copenhagen

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Quantum Physics

Quantum physics or quantum mechanics is a branch of physics that concerns the properties of substances at nuclear level.

In 1913, the Danish physicist Niels Bohr developed his pioneering theory about the spectral lines of the hydrogen atom by assuming that energy came in quanta. This means that a quantum is the smallest conceivable quantity of energy in light waves.

Quantum mechanics developed into what is known as "the Copenhagen interpretation". This great breakthrough in the understanding of the structure of atoms made it possible to acquire deeper insight into the properties of substances, and it opened up new perspectives in wide fields of natural science.

The exploration of light and the quantum properties of atoms is one of the most active fields of research in modern physics. This is cutting-edge frontier research in which a brand-new world is being explored. In recent years, there has been extensive development of the experimental techniques that are used to manipulate quantum-mechanical states, and the groups have conducted several large-scale research projects.

  • Center for Quantum Devices

    QDev builds and studies electronic circuits that exhibit effects of quantum coherence and low dimension.

  • Quantum Optics 

    The QUANTOP group studies quantum mechanical interactions between atoms and light and conducts experiments with teleportation.

  • Quantum Photonics

    Quantum Photonics builds bridges between two areas of research: Quantum optics and nanophysics. 

  • Ultracold atoms 

    Precision measurements with ultracold atoms uses quantum physics to make precise measurements.

  • Theoretical Quantum Optics 

    The theoretical quantum optics group investigates how to control and exploit individual quantum systems, such as single atoms and photons. 

  • Qubiz

    The Quantum Innovation Center (Qubiz) serves as an incubator environment for the growth of Quantum Technologies (QT) in Denmark.