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#superfluid — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #superfluid, aggregated by home.social.

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  1. @telescoper
    I played with #superfluids back in my 20th Century youth, so I’ll give this a go.

    Curiously, a “dry” fluid with no #viscosity can be great at making things wet! I speak of course of #superfluid #helium-4, renowned for escaping any open container, flowing as a film a few atoms thick and climbing walls with forces much stronger than puny gravity can resist.
    Apply this concept to an #armpit and the consequences are clear: no pore unclogged, no bacterium unstifled.

  2. Quantum Dry

    I was taken aback by the description “QUANTUM DRY” but then I remembered the Chapter 40 of the Feynman Lectures on Physics on the topic of The Flow of Dry Water, by which is meant the flow of a fluid with zero viscosity (i.e. inviscid flow). I therefore infer that the material of which this product is composed is a quantum superfluid, i.e. a quantum fluid with zero viscosity. Can someone point me to the scientific literature on superfluid anti-perspirants?

    #DryWater #Physics #QuantumDry #superfluid #viscosity
  3. Black holes and topological vortices in a discrete spacetime lattice.
    This is not an animation.

    I created a simulation where particle stability is maintained by internal field tension rather than hard coded rules. I didn't program any velocity increase the geometry itself is generating the motion.

    #Topology
    #Gravity
    #blackholes
    #nonlineardynamics
    #Superfluid #Physics
    #Simulation
    #QuantumPhysics
    #computationalphysics
    #emergence

  4. Watching Waves on the Nanoscale

    It’s tough to simulate nonlinear wave dynamics, so scientists often test theories in wave flumes, where they can create more controlled waves than what we see in the wild. But conventional wave flumes are big–meters-long, complicated equipment–and can only test a small range of conditions. To reach more extreme nonlinear dynamics, researchers have turned to a chip-based approach. These 100-micron-long wave flumes carry a film of superfluid helium less than 7 nanometers thick. But despite that tiny size, the system can reach levels of nonlinearity five orders of magnitude greater than their full-sized counterparts. (Image and research credit: M. Reeves et al.; via Physics Today)

    #fluidDynamics #microfluidics #nonlinearDynamics #physics #science #superfluid #waves
  5. phys.org/news/2025-07-scientis

    "We study #quantumfluids of light, or in other words, optical systems where light behaves like a #superfluid, which are much like…#superconductors." Quentin Glorieux, "The goal…was to see whether it's possible to push this analogy further by creating a mixture of two interacting fluids of light. Mixtures…support rich collective dynamics and offer a new platform for the study of quantum phase transitions, topological structures or even analog gravity."

  6. Massive black holes drag and warp the spacetime around them in extreme ways. Observing these effects firsthand is practically impossible, so physicists look for laboratory-sized analogs that behave similarly. Fluids offer one such avenue, since fluid dynamics mimics gravity if the fluid viscosity is low enough. To chase that near-zero viscosity, experimentalists turned to superfluid helium, a version of liquid helium near absolute zero that flows with virtually no viscosity. At these temperatures, vorticity in the helium shows up as quantized vortices. Normally, these tiny individual vortices repel one another, but a spinning propeller — much like the blades of a blender — draws tens of thousands of these vortices together into a giant quantum vortex.

    Here superfluid helium whirls in a quantum vortex.

    With that much concentrated vorticity, the team saw interactions between waves and the vortex surface that directly mirrored those seen in black holes. In particular, they detail bound states and black-hole-like ringdown phenomena. Now that the apparatus is up and running, they hope to delve deeper into the mechanics of their faux-black holes. (Image credit: L. Solidoro; research credit: P. Švančara et al.; via Physics World)

    https://fyfluiddynamics.com/2024/05/black-holes-in-a-blender/

    #astrophysics #blackHole #fluidDynamics #physics #quantumVortex #science #superfluid #superfluidHelium #vortices #vorticity

  7. Raumzeit im Labor: Physiker haben erstmals einen „Quantentornado“ aus flüssigem Helium erzeugt – einen Wirbel aus superfluider Flüssigkeit, der das Verhalten der Raumzeit nachbilden kann. #Quantentornado #Raumzeit #Physik #Superfluid
    scinexx.de/news/physik/ein-qua