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A research team from the Max Planck Institute of Quantum Optics succeeded in realising tuneable long-range interactions between atoms. In their study, published in Science, the scientists were able to increase the system’s lifetime by more than a factor of 100 compared to previous experiments. This allows to study the effect of long-range interactions on a microscopic level in tunnel-coupled quantum systems. Notably, the team experimentally observed an unusual binding mechani

The blue-green lab-grown crystals look like solid rocks, but their atomic states are constantly changing. A team of researchers at the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University recently discovered a new example of a quantum spin liquid – a unique state of matter that may one day be used in qubits, the information-storing quantum computer components analogous to classical computer bits.

Quantum materials are a fascinating platform for future technologies, as they host a variety of exotic phenomena beyond the reach of classical physics. Among them, van der Waals heterostructures stand out: They are created by stacking different two-dimensional layers that can be only one atom thick. These structures are remarkably easy to manipulate, offering unprecedented tunability and a vast realm for exploration. A team from the Max-Planck-Institute for the Structure and

Physicists at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg have discovered a striking new form of quantum behavior. In star-shaped Kagome crystals—named after a traditional Japanese bamboo-basket woven pattern—electrons that usually act like a noisy crowd suddenly synchronize, forming a collective “song” that evolves with the crystal’s shape. The study, published in Nature, reveals that geometry itself can tune quantum coherence, opening

A time crystal, a long-life quantum system approaching perpetual motion, has been hooked up to its environment for the first time, unlocking an intriguing way to increase quantum computational and sensing power.

Although quantum technology holds great promise for enabling faster computing, more secure communication and new types of sensing, different quantum systems often don’t interact well with each other. To address this, engineers have developed platforms based on a type of phonon known as a surface acoustic wave. However, the limited propagation distance due to high loss and inherently open 2D structure of existing solutions make such devices relatively large, posing a barrier t