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Physicists at the University of Konstanz have discovered a way to imprint a previously unseen geometrical form of chirality onto electrons using laser light, creating chiral coils of mass and charge.

This breakthrough in manipulating electron chirality has vast implications for quantum optics, particle physics, and electron microscopy, paving the way for new scientific explorations and technological innovations.

Understanding Chirality and Its Implications.

Dive into the world of tachyons, the elusive particles that might travel faster than light and hold the key to understanding dark matter and the universe’s expansion. Join us as we explore groundbreaking research that challenges our deepest physics laws and hints at a universe far stranger than we ever imagined. Don’t miss out on this thrilling cosmic journey!

Chapters:
00:00 Introduction.
00:39 Racing Beyond Light.
03:26 The Tachyon Universe Model.
05:57 Beyond Cosmology: Tachyons’ Broader Impact.
08:31 Outro.
08:44 Enjoy.

Continue reading “Faster Than Light: New Dark Matter Findings Challenge Classical Physics” »

Particle accelerators are pricey, but their cost comes with good reason: These one-of-a-kind, state-of-the-art machines are intricately designed and constructed to help us solve mysteries about what makes up our universe. Still, the scientists and engineers building these machines must do their best to save where they can. Researchers at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility are supporting this mission by figuring out how to optimize cavities, one of the most critical parts of an accelerator.

New research confirms the Standard Model’s predictions about the Higgs boson while suggesting future data may reveal unknown aspects of particle physics.

The Higgs boson was discovered in the detectors of the Large Hadron Collider a dozen or so years ago. It has proved to be a particle so difficult to produce and observe that, despite the passage of time, its properties are still not known with satisfactory accuracy. Now we know a little more about its origin, thanks to the just-published achievement of an international group of theoretical physicists with the participation of the Institute of Nuclear Physics of the Polish Academy of Sciences.

Higgs Boson Discovery

Scientists discover that interplanetary shocks that strike Earth’s magnetic field head-on cause more powerful ground-level electric currents, threatening pipelines and submarine cables.

Auroras are caused by particles from the sun hitting the Earth’s magnetic field — but these impacts also cause geomagnetically induced currents at ground level, which can damage infrastructure that conducts electricity. Scientists studying these currents to protect critical infrastructure have carried out the first research which compares interplanetary shocks to real-time measurements of geomagnetically induced currents, showing that the angle of the shocks’ impact is key for forecasting possible damage to infrastructure: shocks that hit the magnetic field at an angle produce less powerful currents.

The impact of interplanetary shocks on infrastructure.

In a study published recently in Physical Review Letters, researchers unveiled a new type of quantum sensor that they report leverages quantum entanglement to perform detections that, note the quote marks, “travel back in time”. The researchers add the findings could — one day — lead to novel quantum sensors that are ideally suited for astronomical detection and magnetic field investigations.

The study, led by Kater Murch, Charles M. Hohenberg Professor of Physics and Director of the Center for Quantum Leaps at Washington University in St. Louis, introduces a sensor that can probe past events in complex systems. The team, which also included scientists from the National Institute of Standards and Technology (NIST) and the University of Cambridge, described the innovation in the press release as a bit like “sending a telescope back in time to capture a shooting star that you saw out of the corner of your eye.”

The sensor operates by entangling two quantum particles in a quantum singlet state, where their spins point in opposite directions. The process begins with one particle, the “probe,” being subjected to a magnetic field that causes it to rotate. The key breakthrough comes when the second particle, the “ancilla,” is measured. This measurement effectively sends its quantum state back in time to the probe, allowing researchers to optimally set the spin direction of the probe qubit in what Murch refers to as hindsight.

Physicists in Konstanz (Germany) have discovered a way to imprint a previously unseen geometrical form of chirality onto electrons. The electrons are shaped into chiral coils of mass and charge. Such engineered elementary particles may open new research avenues in fundamental physics and electron microscopy.

Have you ever placed the palm of your left hand on the back of your right hand, in such a way that all fingers point in the same direction? If you have, then you probably know that your left thumb will not touch its right counterpart. Neither rotations nor translations nor their combinations can turn a left hand into a right hand and vice versa. This feature is called chirality.

Scientists at the University of Konstanz have now succeeded to imprint such a three-dimensional chirality onto the wave function of a single electron. They used laser light to shape the electron’s matter wave into left-handed or right-handed coils of mass and charge. Such engineered elementary particles with chiral geometries other than their intrinsic spin have implications for fundamental physics but may also be useful for a range of applications, such as quantum optics, particle physics or electron microscopy.

The Standard Model of Particle Physics encapsulates nearly everything we know about the tiny quantum-scale particles that make up our everyday world. It is a remarkable achievement, but it’s also incomplete — rife with unanswered questions. To fill the gaps in our knowledge, and discover new laws of physics beyond the Standard Model, we must study the exotic phenomena and states of matter that don’t exist in our everyday world. These include the high-energy collisions of particles and nuclei that take place in the fiery heart of stars, in cosmic ray events occurring all across earth’s upper atmosphere, and in particle accelerators like the Large Hadron Collider (LHC) at CERN or the Relativistic Heavy Ion Collider at Brookhaven National Laboratory.

Computer simulations of fundamental physics processes play an essential role in this research, but many important questions require simulations that are much too complex for even the most powerful classical supercomputers. Now that utility-scale quantum computers have demonstrated the ability to simulate quantum systems at a scale beyond exact or “brute force” classical methods, researchers are exploring how these devices might help us run simulations and answer scientific questions that are inaccessible to classical computation. In two recent papers published in PRX Quantum (PRX)¹ and Physical Review D (PRD)², our research group did just that, developing scalable techniques for simulating the real-time dynamics of quantum-scale particles using the IBM® fleet of utility-scale, superconducting quantum computers.

The techniques we’ve developed could very well serve as the building blocks for future quantum computer simulations that are completely inaccessible to both exact and even approximate classical methods — simulations that would demonstrate what we call “quantum advantage” over all known classical techniques. Our results provide clear evidence that such simulations are potentially within reach of the quantum hardware we have today.

The tachyon, a hypothetical, faster-than-light particle previously thought unworkable with relativity, may have some tricks up its sleeve.