Welcome K Rajaram IRS On Sat, 15 Mar 2025, 11:09 Yeddanapudi Markandeyulu, <[email protected]> wrote:
> I congratulate myself in making you add to our knowledge,thank you Sir. > YM Sarma > > On Sat, Mar 15, 2025 at 9:25 AM Rajaram Krishnamurthy < > [email protected]> wrote: > >> Here is the latest research showing PHOTON IN A SOLID STATE. >> >> FREEZING LIGHT AS SOLID >> >> Italian scientists ‘freeze’ light, unlocking a new quantum mystery—Here’s >> what it means Italian scientists have achieved a groundbreaking feat by >> "freezing" light, demonstrating that it can behave as a super solid, a >> state of matter that combines rigidity and quiddity, with Signiant >> implications for quantum computing and technology. Italian scientists >> ‘freeze’ light, unlocking a new quantum mystery—Here’s what it means >> Italian scientists have achieved a surprising feat—freezing light. The >> discovery, recently published in Nature, shows that light can behave as a >> super solid, a state of matter that owes without friction while maintaining >> a solid-like structure. Researchers Antonio Gian fate from CNR Nanotec and >> Davide Nigro from the University of Pavia led the study. They described the >> findings as "just the beginning" of understanding super solidity in light. >> A super solid is a rare state of matter where particles are both rigid and >> fluid-like. Until now, it had only been observed in Bose-Einstein >> condensates (BEC), which form at temperatures near absolute zero. By >> manipulating photons under controlled quantum conditions, the scientists >> demonstrated that light, too, can exhibit this behaviour. How Scientists >> ‘Froze’ Light in the Lab Freezing usually involves lowering a liquid’s >> temperature until it becomes solid. However, the researchers took a >> different approach, creating a super solid state in light using advanced >> quantum techniques. They worked with a semiconductor platform where >> photons, the fundamental particles of light, behaved similarly to >> electrons. Using a gallium arsenide structure with microscopic ridges, they >> red a laser to generate hybrid light matter particles called polaritons. As >> the number of photons increased, they formed a pattern known as satellite >> condensates. These condensates had the same energy but opposite >> wavenumbers, leading to a Italian scientists ‘freeze’ light, unlocking a >> new quantum mystery. >> >> K Rajaram IRS 15325 >> >> On Sat, 15 Mar 2025 at 08:38, Markendeya Yeddanapudi < >> [email protected]> wrote: >> >>> >>> >>> -- >>> *Mar*Gap between two photons in a light ray >>> >>> >>> >>> What is in the gap between photons in a ray 0of Light? In the case of >>> radio waves the gap is very long. How are the photons able to be connected >>> without disturbance from other particles? >>> >>> Answer of Chat GPT >>> >>> The "gap" between photons in a light ray, or any electromagnetic wave, >>> is an interesting concept because photons are not like particles that >>> travel in a discrete, easily separable manner. Instead, electromagnetic >>> waves, including light and radio waves, are characterized by oscillating >>> electric and magnetic fields that propagate through space. >>> >>> Here’s how we can break it down: >>> >>> 1. *Photons and Wave Nature:* >>> - A photon is the quantum particle associated with >>> electromagnetic waves, including light. However, light is usually >>> described >>> not as a stream of discrete particles (photons) but as a continuous >>> electromagnetic wave that can also be quantized in terms of photons. >>> - In terms of wave propagation, there isn’t an actual "gap" >>> between individual photons. Rather, photons represent the discrete >>> energy >>> quanta of the electromagnetic field. When we talk about the "gap" in a >>> light ray, we're typically referring to the frequency and wavelength >>> of the >>> electromagnetic wave, not the physical separation between individual >>> photons. >>> 2. *Radio Waves and Wavelength:* >>> - Radio waves have much longer wavelengths than visible light, >>> which means that the photons associated with radio waves have lower >>> energies and are spaced farther apart in terms of their frequency. >>> - The "long gap" you're referring to is the difference in the >>> wavelengths, which is just a reflection of how frequently the >>> electric and >>> magnetic fields oscillate. In radio waves, the electric and magnetic >>> field >>> oscillations are slower (lower frequency), and the distance between >>> two >>> consecutive oscillations (wavelength) is longer. >>> 3. *Electromagnetic Fields:* >>> - Photons themselves don’t “connect” to each other, but rather, >>> the oscillating electromagnetic fields carry energy and momentum. In a >>> light ray or radio wave, these fields propagate through space, and >>> the wave >>> can continue indefinitely unless something interferes with it (e.g., >>> absorption by matter). >>> - Even though photons can be seen as discrete energy packets, >>> they don't "disturb" each other because electromagnetic waves are >>> governed >>> by the collective behavior of the oscillating electric and magnetic >>> fields >>> rather than individual particles interacting directly with each other. >>> 4. *No Need for Other Particles to "Connect" Photons:* >>> - Photons in a light wave are not bound by any kind of physical >>> link between them. The propagation of the wave is a continuous >>> process, >>> with the electric and magnetic fields propagating through space in a >>> self-sustaining manner (as described by Maxwell’s equations). >>> - In quantum mechanics, photons are described as excitations of >>> the electromagnetic field. There is no need for any other particles to >>> "connect" the photons, as their behavior is governed by the >>> properties of >>> the electromagnetic field itself. >>> >>> In essence, photons in light or radio waves are part of a continuous >>> electromagnetic field, and the apparent "gap" is just a feature of the >>> wave’s frequency or wavelength. The electromagnetic wave can propagate >>> without interference or disturbance from other particles unless it >>> interacts with matter. >>> >>> YM Sarma >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Thatha_Patty" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion visit >>> https://groups.google.com/d/msgid/thatha_patty/CACDCHCJ%2BP1ptWJxNEGsKVhfNKZ6oV-m5dqs3vNos5RGMf7_4jQ%40mail.gmail.com >>> <https://groups.google.com/d/msgid/thatha_patty/CACDCHCJ%2BP1ptWJxNEGsKVhfNKZ6oV-m5dqs3vNos5RGMf7_4jQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Thatha_Patty" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion visit >> https://groups.google.com/d/msgid/thatha_patty/CAL5XZooVAOPyoDM84U104ystviE2y6bkt_D1Mkg7g92pAnL17w%40mail.gmail.com >> <https://groups.google.com/d/msgid/thatha_patty/CAL5XZooVAOPyoDM84U104ystviE2y6bkt_D1Mkg7g92pAnL17w%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "Thatha_Patty" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/thatha_patty/CAL5XZorNOJBk6PGg3Sa%3D2spX17CqUe6c7p1yAHWcHhP8wYnrvg%40mail.gmail.com.
