When a molecule absorbs light, it undergoes a whirlwind of quantum-mechanical transformations. Electrons jump between energy levels, atoms vibrate, and chemical bonds shift—all within millionths of a billionth of a second.
These processes underpin everything from photosynthesis in plants and DNA damage from sunlight, to the operation of solar cells and light-powered cancer therapies.
Yet despite their importance, chemical processes driven by light are difficult to simulate accurately. Traditional computers struggle, because it takes vast computational power to simulate this quantum behavior.
What if ultrafast pulses of light could operate computers at speeds a million times faster than today’s best processors? A team of scientists, including researchers from the University of Arizona, are working to make that possible.
In an international effort, researchers from the Department of Physics in the College of Science and the James C. Wyant College of Optical Sciences have demonstrated a way to manipulate electrons in graphene using pulses of light that last less than a trillionth of a second. By leveraging a quantum effect known as tunneling, they recorded electrons bypassing a physical barrier almost instantaneously, a feat that redefines the potential limits of computer processing power.
A study published in Nature Communications highlights how the technique could lead to processing speeds in the petahertz range—over 1,000 times faster than modern computer chips.
IN A NUTSHELL 🌟 Scientists at Japan’s RIKEN Center for Advanced Photonics have discovered that carbon nanotubes can emit more energetic light than they absorb. 🔍 The phenomenon, known as up-conversion photoluminescence (UCPL), occurs even in pristine nanotubes, defying previous theories requiring structural defects. ☀️ This discovery holds potential for enhancing solar energy efficiency by.
Quantum error correction of a logical qutrit and ququart were experimentally realized beyond the break-even point with the Gottesman–Kitaev–Preskill bosonic code.
Did the universe really start with a Big Bang? Dr. Richard Lieu thinks otherwise. In this episode, we explore his radical theory of transient temporal singularities—bursts that could replace dark matter, dark energy, and even the Big Bang itself. Get ready to rethink the universe.
Chapters: 00:00 Introduction. 00:43 The Big Bang Under Scrutiny. 04:31 Gravity Without Mass? 07:56 Implications, Related Theories, and the Future of Cosmology. 11:07 Outro. 11:26 Enjoy.
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This video will tell you the mysterious creator of force carrier particle particularly Graviton and then chronologically gluon, photon and boson. You will see delving into the string theory and quantum physics and dimensional physics that how this force was first created immediately after the first quantum vacuum fluctuation and the creation of Planck’s length and hence the Planck’s world. You will observe with tremendous astonishment that it is telling some other stories regarding birth of invisible universe which is the predecessor of the visible third dimensional universe we can see today. So to delve into this mysterious world, watch the full video with concentration and to get more subscribe SEVENTH QUANTUM ACADEMY and tap the bell icon to get notified when the new video gets published.
In the world of quantum computing, the Hilbert space dimension—the measure of the number of quantum states that a quantum computer can access—is a prized possession. Having a larger Hilbert space allows for more complex quantum operations and plays a crucial role in enabling quantum error correction (QEC), essential for protecting quantum information from noise and errors.
A recent study by researchers from Yale University published in Nature created qudits—a quantum system that holds quantum information and can exist in more than two states. Using a qutrit (3-level quantum system) and a ququart (4-level quantum system), the researchers demonstrated the first-ever experimental quantum error correction for higher-dimensional quantum units using the Gottesman–Kitaev–Preskill (GKP) bosonic code.
Most quantum computers on the market usually process information using quantum states called qubits—fundamental units similar to a bit in a regular computer that can exist in two well-defined states, up and down and also both 0 and 1 at the same time, due to quantum superposition. The Hilbert space of a single qubit is a two-dimensional complex vector space.
Physicists from Oxford have, for the first time, scaled quantum computing using distributed teleportation technology — and this could change everything. From «parallel universes» to Grover’s algorithm, from cryptography to molecular modeling — the world is entering an era where «impossible» problems
Quantum scientists have cracked a longstanding problem by devising a method to speed up measurements without losing accuracy, a key hurdle for quantum technology. By cleverly adding extra qubits, they traded “space” for time, gathering more information faster without destabilizing the fragile qua
IN A NUTSHELL 🌕 Interlune, a Seattle-based startup, plans to extract helium-3 from the moon, aiming to revolutionize clean energy and quantum computing. 🚀 The company has developed a prototype excavator capable of digging up to ten feet into lunar soil, refining helium-3 directly on the moon for efficiency. 🔋 Helium-3 offers potential for nuclear
