Quantum tornadoes in momentum space: First experimental proof of a new quantum phenomenon

Scientists Uncover Hidden Quantum Tornadoes That Could Revolutionize Electronics

For the first time, scientists have experimentally confirmed that electrons can form tornado-like structures in momentum space, a revolutionary finding that could lead to new quantum technologies. The breakthrough demonstrates the interplay of orbital angular momentum and electron motion, laying the groundwork for orbitronics, a field that could reduce energy loss in electronic components. Quantum [...]

Large magnetoresistance and superconductivity in α-gallium single crystals

Topological metals, including Dirac and Weyl semimetals, represent a wide class of quantum materials with non-trivial electronic band structures. The essential properties of Dirac or Weyl fermions, including light effective mass and high mobility, have been observed in a number of semimetal compounds, which in turn exhibit large positive magnetoresistances. Here, we report an unexpected observation of all these properties in α-gallium (α-Ga) sin…

Evidence of a new phenomenon: Quantum tornadoes in momentum space

Researchers have experimentally demonstrated a quantum tornado. Electrons form vortices in the momentum space of the quantum semi-metal tantalum arsenide.

Quantum tornadoes in momentum space: First experimental proof of a new quantum phenomenon

Researchers from Würzburg have experimentally demonstrated a quantum tornado for the first time by refining an established method. In the quantum semimetal tantalum arsenide (TaAs), electrons in momentum space behave like a swirling vortex. This quantum phenomenon was first predicted eight years ago by a Dresden-based founding member of the Cluster of Excellence ct.qmat.

‘Next-Level’ Chaos Traces the True Limit of Predictability - 3 Quarks Daily

Charlie Wood in Quanta: The French scholar Pierre-Simon Laplace crisply articulated his expectation that the universe was fully knowable in 1814, asserting that a sufficiently clever “demon” could predict the entire future given a complete knowledge of the present. His thought experiment marked the height of optimism about what physicists might forecast. Since then, reality has repeatedly humbled their ambitions to understand it. One blow came i…

Evidence of a new phenomenon: Quantum tornadoes in momentum space - Science Tech Updates

A team of researchers from Würzburg has for the first time experimentally demonstrated a quantum tornado. Electrons form vortices in the momentum space of the quantum semi-metal tantalum arsenide. Scientists have long known that electrons can form vortices in quantum materials. What’s new is the proof that these tiny particles create tornado-like structures in momentum […] The post Evidence of a new phenomenon: Quantum tornadoes in momentum spac…