Excitons and light form new quantum states.

“Physicists have long wondered what happens when a superfluid is cooled even further, and now, experiments in bilayer graphene hint at an unexpected answer. Credit: SciTechDaily.com” (ScitechDaily,Physicists Watch a Superfluid Freeze, Revealing a Strange New Quantum State of Matter)

The new form of quantum state of matter is found in bilayer graphene. The bilayer graphene is the thing. That can make a superfluid freeze or stop moving. This means that the graphene is covered by an icy superfluid. And that uncovered strange new quantum behavior in that thing. 

Researchers found an unexpected relationship. Between the density of the quasiparticles and the temperature. At high density, excitons behaved like a superfluid, but as their density decreased, they stopped moving and became insulators. When the temperature decreased, superfluidity returned. 

Those systems can revolutionize.  Quantum computing technology. The laser systems can be used to adjust that transition. 

This phenomenon can be used in superconducting miniature electronics. The ability to control insulation. And electric conductivity. It is an important thing for the gates and switches in the small superconducting microchips. 

The system can use a laser as a thermal pump. The laser can be used to adjust the energy flow in the graphene, so that it transports as much energy away from the fluid as possible. The superfluid is between those graphene layers. And that helps to control it. 

“Illustration of excitons arranging into a solid pattern in bilayer graphene. Credit: Cory Dean, Columbia University” (ScitechDaily, Physicists Watch a Superfluid Freeze, Revealing a Strange New Quantum State of Matter)

“For all the theory and debate, the most famous candidate, helium, has not provided a definitive, natural example of a superfluid turning into a supersolid. Researchers have built supersolid-like systems in the atomic, molecular, and optical (AMO) sub-branch of physics, but those demonstrations typically rely on lasers and optical components to impose a repeating structure. This creates what is known as a periodic trap that encourages the fluid into a crystal-like pattern, a bit like Jello confined in an ice cube tray.” (ScitechDaily, Physicists Watch a Superfluid Freeze, Revealing a Strange New Quantum State of Matter)

“Controlling a superfluid in a 2D material is an exciting prospect—compared to helium, for example, excitons are thousands of times lighter, so they could potentially form quantum states such as superfluids and supersolids at much higher temperatures. The future of supersolids remains to be realized, but there is now solid evidence that 2D materials will help researchers understand this enigmatic quantum phase.” (ScitechDaily, Physicists Watch a Superfluid Freeze, Revealing a Strange New Quantum State of Matter)

“The researchers used a laser pulse (blue) to change the polarity of a ferromagnetic state in a special material consisting of twisted atomic layers (red). Credit: Enrique Sahagún, Scixel / University of Basel, Department of Physics” (ScitechDaily, Laser Light Rewrites Magnetism in Breakthrough Quantum Material)

Another thing is that. The light can. Have quantum ability. Which allows it. To control things. Like the magnetic field. The ability to force atoms at a very low temperature into straight lines can make it possible to create a situation where the magnetic fields travel through matter. This thing makes it possible.  To create quantum levitation, or the so-called Meissner effect. But the Meissner effect can also make it possible. 

To create systems that allow light to travel through the system. If there are no fields that can cause reflection. The system turns invisible to those wavelengths.  The reason for that is this. Without reflection, the energy or wave movements cannot reach the observer. That turns matter into a ghost. 

But the ability to control magnetism makes it possible. To create new fundamental material layers. Those layers can form the grooves by pulling the layer that reacts to the magnet down. And when those grooves are not necessary, the magnets can be shut down. 

There is also a possibility that the layer is made using tiny magnets. Those nano-scale magnets can be in the nanotubes. And. The system can turn them by using light. The ability to adjust their polarity. Makes it possible. To switch the polarity in the layer. 

These types of systems could also turn. The polarity of the magnets. Oppositely. This means that light turns those poles upside down. And that makes it possible to change the polarity of the layer. 

https://scitechdaily.com/laser-light-rewrites-magnetism-in-breakthrough-quantum-material/

https://scitechdaily.com/physicists-watch-a-superfluid-freeze-revealing-a-strange-new-quantum-state-of-matter/

https://en.wikipedia.org/wiki/Exciton

Schrödinger's cat is hotter than ever.

"Quantum scientists have shown it’s possible to generate Schrödinger cat states in warmer conditions, challenging the assumption that cold is essential for quantum effects. Credit: SciTechDaily.com" (ScitechDaily, Alive, Dead, and Hot: Schrödinger’s Cat Defies the Rules of Quantum Physics)

Schrödinger's cat is a thought experiment about a cat. That is at the same time. Alive and dead. That means. The cat has two states. Things like qubits base are in Scrödinger's cat. And theoretical Majorana-fermion would be the Schrödinger's cat particle. 

The Majorana-fermion would be the physical particle that has a particle and antiparticle in the same particle. The Majorana Bound-state (Majorana Zero Mode) is the quasiparticle and a hypothetical Majorana fermion would be like a quark or electron that involves its antiparticle. 

In quantum computing, dead cat means qubit that doesn't carry information and alive cat means qubit that carries information. Or the dead cat means zero and the living cat means one. But the Schrödinger's state has many other interesting meanings. 

In physics Schrödinger's cat means superposition or quantum system that is simultaneously in the low and high energy minimum. A system that involves minimum. And maximum energy states at the same time. Is always interesting. 

The minimum energy states in the same system mean that if there is an energy impulse that hits the particle there is an energy pocket where that energy can go. In the same way, if Schrödinger's cat is the real cat we cannot destroy that cat, because there is an energy pocket where energy can go. 

The new observations tell us that Schrödinger's cat state is possible even if the system is adjusted into a "hot state". The temperature record in Scrödinger's cat state is 1,8K which is very hot in this case, that temperature limit has been 0,3K. That means Schrödinger's cat state is possible even if the system involves energy excitement. Before that researchers thought that they must remove energy excitement from the system. 

"In Erwin Schrödinger’s thought experiment, it is a cat that is alive and dead at the same time. Credit: University of Innsbruck/Harald Ritsch" (ScitechDaily, Alive, Dead, and Hot: Schrödinger’s Cat Defies the Rules of Quantum Physics)

Theoretically, teleportation is easy to make. The system must only make a quantum tunnel between particles. And if particles are superpositioned and entangled. An energy impulse will come behind the higher energy particle that pushes the particle to the lower energy state particle. The higher energy particle sends an energy string to the lower energy participant of the quantum entanglement. 

Information travels to lower energy particles. It's possible to teleport information. Theoretically, the same idea can be used to teleport more complex quantum systems. But the problem is this. For teleportation, the system must make a superposition end entanglement for every single particle. 

Then it must keep those particles in the right order. So the quantum channel. There that information travels must be tight. The universe's expansion causes the quantum channel to expand. That expansion forms space and that space increases entropy. Entropy is the thing that makes teleportation so difficult. 

Schrödinger's state is one of the things that makes, or it should make teleportation possible. The idea is that if there are two identical elementary particle clouds there another is in an extremely low energy state that causes an effect the lower energy particles just suck higher energy particles through the quantum channels or "shadows" to them. The problem with a complex system teleportation is that those systems must be perfectly superpositioned. 

That means that fermions and also bosons must all be put into superposition. Then they must travel to the right places. The thing that makes that very difficult is that the information must travel through the quantum fields. Those fields cause entropy that destroys the system. The problem is that successful teleportation requires. The system can transport particles, fermions, and bosons to the goal and keep them in their original places. 

https://scitechdaily.com/alive-dead-and-hot-schrodingers-cat-defies-the-rules-of-quantum-physics/

https://en.wikipedia.org/wiki/Majorana_fermion

https://en.wikipedia.org/wiki/Schrödinger%27s_cat