Semiconductor nanocrystals, also known as colloidal quantum dots (QDs), have opened up a new realm of possibilities in the field of quantum physics. The concept of size-dependent quantum effects has long been understood by physicists, but it was not until the discovery of QDs that these theoretical ideas could be transformed into tangible nanodimensional objects.
Science
A recent study conducted by scientists at the U.S. Department of Energy’s Brookhaven National Laboratory has shed light on the formation and behavior of excitons in a class of materials known as van der Waals magnets. These microscopic particle-like objects, consisting of an electron and a hole, have been observed in the crystalline material nickel
Excitonic resonances and transitions between excitons have been shown by scientists from the National University of Singapore (NUS) to significantly increase the efficiency of generating entangled photon pairs. This breakthrough could potentially lead to the development of efficient ultrathin quantum light sources. Quantum entanglement, which is the cornerstone of many quantum technologies, involves the phenomenon
Quantum simulation has been a game-changer in the scientific world, allowing researchers to delve into complex systems that were previously impossible to study using classical computers. This innovative approach has opened up new avenues in various fields such as financial modeling, cybersecurity, pharmaceutical discoveries, AI, and machine learning. One area where quantum simulation has shown
Superconductors have been a subject of fascination for researchers for over a century due to their unique ability to conduct electricity without any energy loss. However, traditional superconductors only function at extremely low temperatures, making them impractical for widespread use in everyday technology. This limitation has prompted scientists to search for materials that exhibit superconducting
The world of physics is a vast and complex one, filled with mysteries waiting to be unraveled. Imagine a two-dimensional flatland, where the rules of physics are unconventional, and particles like electrons behave in ways that defy our expectations. A team of researchers, led by Georgia State University Professor of Physics Ramesh G. Mani and
The advancement of science and technology continues to push the boundaries of what we know about the human brain. Recently, researchers developed a cutting-edge two-photon fluorescence microscope that has the capability to capture high-speed images of neural activity at the cellular level. This innovative approach is set to revolutionize the field of neuroscience by providing
Studies on the changes in the size of an atomic nucleus have revealed valuable insights into the energy levels of an atom’s electrons, known as isotope shifts. These precision measurements can help scientists determine the radius of a nucleus and provide essential information for understanding astrophysical objects such as neutron stars. In a recent study,
NASA’s Cold Atom Lab, situated aboard the International Space Station, has opened new horizons in the field of quantum science in a space environment. The team behind the lab has recently made groundbreaking measurements using ultra-cold atoms to detect vibrations in the space station, demonstrating the immense potential of utilizing quantum tools in space exploration.
Light technology has played a crucial role in driving various cutting-edge innovations across multiple industries. However, transmitting light through complex environments has always presented challenges, leading to distortions and disruptions in the light field. Overcoming these limitations has been the focus of many researchers aiming to advance practical applications in fields such as optical communications