We also simulated “open-system” dynamics, where the molecule interacts with its environment. This is typically a much harder problem for classical computers.
By injecting controlled noise into the ion’s environment, we replicated how real molecules lose energy. This showed environmental complexity can also be captured by quantum simulation.
The qualia problem of perception is simply pointing out that the way we perceive the world is in terms of subjective qualities rather than numerical quantities. For example, we perceive the color of light in the things we see rather than the frequency of light wave vibrations or wavelengths, just as we perceive the quality of the sounds we hear rather than the frequency of sound wave vibrations. Another example is emotional qualities, like the perception of pleasure and pain and the perception of other emotional qualities, like the emotional qualities that color the perception of the emotional body feelings we perceive with emotional expressions of fear and desire. There is no possible way to understand the perception of these emotional qualities, just as there is no way to understand the perception of the colors we see or the qualities of the sounds we hear, in terms of the neuronal firing rates of neurons in the brain or other nervous systems. The frequency of wave vibrations and the neuronal firing rates of neurons are both examples of quantities. The problem is we do not perceive things in terms of numerical quantities, but rather in terms of subjective qualities.
All our physical theories are formulated in terms of numerical quantities, not in terms of subjective qualities. For example, in ordinary quantum theory or in quantum field theory, we speak of the frequency of light wave vibrations or the wavelength of a light wave in terms of a quantum particle called the photon. A photon or light wave is characterized by the numerical quantities of frequency and wavelength. When we formulate the nature of a light wave or photon in quantum theory in terms of Maxwell’s equations for the electromagnetic field, we can only describe numerical quantities. In ordinary quantum theory and quantum field theory, the electromagnetic field is the quantum wave-function, ψ(x, t), that specifies the quantum probability that the point particle called the photon can be measured at a position x in space at a moment t in time. That quantum probability is specified in terms of the frequency and wavelength that characterizes the wave-function for the photon.
If you’ve ever watched a flock of birds move in perfect unison or seen ripples travel across a pond, you’ve witnessed nature’s remarkable ability to coordinate motion. Recently, a team of scientists and engineers at Rice University discovered a similar phenomenon on a microscopic scale, where tiny magnetic particles driven by rotating fields spontaneously move along the edges of clusters driven by invisible “edge currents” that follow the rules of an unexpected branch of physics.
The research is published in the journal Physical Review Research.
“When I saw the initial data—with streams of particles moving faster along the edges than in the middle—I said ‘these are edge flows’ and we got to work exploring this,” said corresponding author Evelyn Tang, assistant professor of physics and astronomy. “What’s very exciting is that we can explain their emergence using ideas from topological physics, a field that became prominent due to quantum computers and exotic materials.”
Quantum computers hold the potential to revolutionize the possibilities for solving difficult computational problems that would take classical computers many years to resolve. But for those computers to meet their potential, they need working quantum bits, or qubits. The hunt for a better qubit is a major project of researchers around the world, who are trying different materials and methods in their search.
In a study published in Progress in Quantum Electronics, researchers from the FAMU-FSU College of Engineering explored an unconventional and promising approach to building qubits by using quantum fluids and solids.
Their article examined how electrons trapped just above the surfaces of ultraclean quantum fluids and solids such as liquid helium and solid neon offer a combination of chip-level control and ultra-clean, defect-free environments, presenting a promising path toward scalable, high-fidelity qubits that could overcome key limitations of existing quantum technologies.
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.
Posted in nanotechnology, quantum physics, solar power, sustainability | Leave a Comment on “Light Out, Power Up”: Carbon Nanotubes Discovered Emitting More Energetic Light Than They Absorb in Groundbreaking Quantum Breakthrough
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.
Paper link: https://arxiv.org/pdf/2503.
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.
