Research News

Articles and press release about new publications from our institute.

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<span><span><span><span><span>A glance at edge modes</span></span></span></span></span>

An experimental team from the Max Planck Institute for Quantum Optics and the Ludwig Maximilian University Munich successfully observed and manipulated the peculiar states emerging at topological boundaries, so-called edge modes. Key to the researchers’ breakthrough was the level of unprecedented control over the experimental parameters, which previously rendered the observation of these edge-modes elusive. The results are featured in Nature Physics. more

<span><span><span><span><span><span>Graphs Go Quantum</span></span></span></span></span></span>

Physicists at MPQ have now succeeded for the first time in creating a ring-shaped and a tree-shaped graph state in an experiment for complex entanglement structures. This is a major breakthrough for the development of quantum computers or the quantum internet. In a future quantum internet, light quanta could thereby be entangled to form a quantum message that is much more stable against losses. more

<span><span>Quantum systems out of equilibrium</span></span>

Theorists in the research group of Mari Carmen Bañuls at MPQ have come one step closer to understanding the evolution of quantum many body systems over time. In their work, recently published in the specialized journal Physical Review Letters, they formulated an algorithm to simulate the dynamics of quantum systems consisting of many particles out of equilibrium – a notoriously difficult task. more

Breakthrough in Ultraviolet Spectroscopy

Researchers have successfully developed a new technique for deciphering the properties of light and matter that can simultaneously detect and precisely quantify many substances with high chemical selectivity. Their technique interrogates the atoms and molecules in the ultraviolet spectral region at very feeble light levels - a breakthrough that paves the way for exciting new opportunities in photon-level diagnostics.  more

Chemistry takes an ultracold turn - First tetratomic supermolecules realised at nanokelvin temperatures

Researchers at MPQ have demonstrated a novel method to create tetratomic supermolecules at a so far unprecedented low-temperature scale down to 134 nK – a breakthrough with far-reaching implications for ultracold chemistry and quantum materials. more

HORUS pushes attosecond physics

Laser physicists from the attoworld team at the Max Planck Institute of Quantum Optics (MPQ) and Ludwig-Maximilians Universität München (LMU) have developed a new and unique high-power laser system for driving the attosecond beamlines and ultrafast attosecond experiments at MPQ. The new laser “HORUS” (High-power OPCPA system for high Repetition rate Ultrafast Spectroscopy) operates in the near-infrared spectral range at ... more

Snapshots of photoinjection

During photoinjection, an electron that cannot move freely through a solid receives enough energy from a light wave to become mobile. Scientists have been exploring this phenomenon since the beginning of quantum mechanics; nevertheless, there are still open questions about how the relevant processes unfold in time.  Laser physicists of MPQ and LMU have now made a direct observation of... more

Mimicking Quantum Chemistry: Analogue quantum simulation of pseudomolecules

The simulation of quantum chemical processes promises a lot of progress, such as the discovery of new chains of reactions, new synthetic materials or pharmaceuticals. But it is an enormous task, which known methods have failed to date. For classical supercomputers, the molecules are too complex, and for quantum simulations with cold atoms, the technological hurdles are still too high. In a new paper, theorists have now developed... more

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