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armandowww
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Can anybody tell me what is the meaning of a quantum crystall? I've heard it is referred to a lattice with vibrations over harmonic approximation. If so, what about the consequences?
armandowww said:Can anybody tell me what is the meaning of a quantum crystall? I've heard it is referred to a lattice with vibrations over harmonic approximation. If so, what about the consequences?
Is that because it has no friction? Also is solid gas possible, sorry but I'm not too skilled in this area?Creator said:The meaning?
Generally, a 'quantum crystal' can be thought of as the very unusual state of a BEC in solid form, i.e., solid helium, for ex., characterized by quantum phase coherence macroscopically. I've heard it can be described otherwise.
The consequences are very counter intuitive ... a quantum solid is predicted to exhibit superfluidity, and apparently that is what happens. Some call it super solid; I refer to it as supersolidity. If it were possible to put a pure sample on a rotating turntable, the sample would not move
Is that what you had in mind?
Creator
Imop45 said:Is that because it has no friction?
No it wouldn't.Intuitive said:Could we use the He-4 as an Atmospheric Envelope leaking through the pores of a Space Craft/Air Craft Skin to allow the vehicles to experience Zero Friction, If the He-4 oozes from the Skin pores wouldn't it allow for this? Frictionless Flight.
Intuitive said:Could we use the He-4 as an Atmospheric Envelope leaking through the pores of a Space Craft/Air Craft Skin to allow the vehicles to experience Zero Friction, If the He-4 oozes from the Skin pores wouldn't it allow for this? Frictionless Flight.
Creator said:Nice idea, Intuitive; but as is commonly the case with cryogenic quantum effects, the practical applications remain distant.
In this case...
Solid He-4 melting point is around 0.2 *Kelvin, and requires high pressure to remain solid.
Nevertheless, at such low temp. and high pressure the solid 'superflow' effect remains real. However, it is not 100% as in the case of liquid helium superfluidity; rather only a small percentage of the solid becomes superflow below the melting point, (and if I'm not mistaken the % has a temp./pressure dependency).
Creator
Intuitive said:Very informative, Thanks.
...it still looks like there is some engineering hope by using the vehicles own energy and areodynamics to give us what we need for the He-4 transition to take place couldn't it if we're dealing with high Mach numbers to play with?
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Quantum Crystal is a type of crystalline material that exhibits quantum properties, such as superposition and entanglement, at a macroscopic level.
Quantum Crystal differs from traditional crystals in that it is not bound by the laws of classical physics. It exhibits properties that are only observed at the quantum level, such as wave-particle duality and non-locality.
The potential applications of Quantum Crystal are vast and include quantum computing, quantum sensors, and quantum communication. It also has potential uses in advanced materials and energy storage.
Quantum Crystal is important because it allows us to investigate and understand the behavior of matter at the quantum level, which has implications for various fields such as physics, chemistry, and materials science. It also has the potential to revolutionize technology and lead to advancements in many industries.
Quantum Crystal is created through a process called self-assembly, where individual quantum particles are arranged in a specific pattern to form a larger crystal structure. This process requires precise control and manipulation at the nanoscale level.