Some things never go out of style, not even 50-year-old theories, as they are currently dominating the scientific community’s discussions.
In a nostalgia-filled year, it is fitting that a breakthrough was made based on an idea from the 70s.
For the first time, physicists were excited to observe a phenomenon that others had only dreamed of.
But will the energy sector also be able to “dig it” when it comes to magnetic vortices?
How the hypnotism of magnetism lasted for decades
In the 1970s, most people were out getting down at the disco. Meanwhile, Berezinskii, Kosterlitz, and Thouless were keeping busy with magnetism.
Their theory suggested that in a 2D world as flat as a vinyl, magnetism would experience a “vortex” shift.
The underlying math promised a form of “topological protection” circling these tiny magnetic vortices, piquing global interests.
If this could be proved, the Berezinskii-Kosterlitz-Thouless (BKT) transition would yield highly stable and noise-resistant quantum states.
Scientists dedicated five decades of work, but failed to prove that magnetism “swirls.”
Our 3D world’s magnetism is loud and chaotic, inevitably drowning out the subtle 2D signals.
On several occasions, some came very close, catching a quick glimpse of these theoretical states. These moments unfortunately failed to capture everything as a whole.
But there was still a missing piece to the puzzle, withholding a new way to use energy.
Opening a door to a “new energy” in the modern world
This theory is compelling because it could fundamentally change the modern world.
Today, renewable energy technologies are central to the global green energy transition. However, these technologies are facing significant efficiency challenges.
Take silicon-based solar panels, for instance. They are supposed to bridge the grid’s energy gap, but they waste substantial energy as heat, which decreases solar efficiency.
With modern, smart, high-tech devices and advanced computing systems, every bit of generated electricity matters.
This means that to keep data centers from crashing and starving AI, there is no room for energy waste.
Enter topologically protected vortices and their high stability and resistance.
Most devices would use magnet swirls rather than electricity flow to process and store information. This will decrease the amount of wasted energy during computing.
But before any of this could occur, it had to be proved. Fortunately, some innovative scientists from Texas did just that.
Facing the quantum ghosts from the disco, bell-bottom past
Using nickel phosphorus trisulfide (NiPS3), the research team finally caught the “ghosts” that had been haunting physics since the 1970s.
The details are in the study “Physicists finally see strange magnetic vortices predicted 50 years ago,” published by the University of Texas at Austin.
The material is a thin, single layer of atoms, serving as an ideal, quiet 2D “vinyl.” This enabled the team to observe weak magnetic signals.
Chilling the atomic sheet to unveil the critical proof
The atomic sheet was chilled to -238°F, bringing the swirls of the BKT phase to life.
The temperature continued to drop until the “six-state clock phase” was achieved. The vortices then shifted to a more organized state, locking magnetism into six directions, lining up with a clock’s display.
For the first time, both phases could be observed in one system, making history in quantum physics.
The validation of a 50-year-old model does more than solve an old scientific mystery.
It allowed the researchers to prove that magnetism can be controlled at the smallest scale, changing how energy is perceived.
Some things from the 70s may never make a comeback, but the “swirl” of magnetism is here to stay. Soon, the next generation of energy-efficient technology could be powering the world.
Anke Maree is a writer with a clear and engaging editorial style. Her work focuses on making complex topics accessible, informative, and relevant for readers across different areas of interest.
