Can you name a few interactions that entangle particles

In summary, it says that quantum entanglement is a physical phenomenon that occurs when pairs or groups of particles are generated or interact in ways such that the quantum state of each particle cannot be described independently — instead, a quantum state may be given for the system as a whole. Scientists have realized that the Kondo effect results from a relationship between electrons known as "entanglement" in which the quantum state of one electron is tied to those of neighboring electrons, even if the particles are later separated by considerable distances.
  • #1
sciencejournalist00
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It says everywhere that particle decay is not the only thing that creates entangled particles.

"Quantum entanglement is a physical phenomenon that occurs when pairs or groups of particles are generated or interact in ways such that the quantum state of each particle cannot be described independently — instead, a quantum state may be given for the system as a whole."

It says subatomic particles can get entangled after they interact in special ways.

For example, all the electrons that orbit the same nucleus are entangled.

Can you name other such interactions?
 
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  • #2
Give only the name of the interaction (for example, Cooper pair production), not reference to papers or mathematical equations, please
 
  • #3
sciencejournalist00 said:
Give only the name of the interaction (for example, Cooper pair production), not reference to papers or mathematical equations, please

I think you can safely say that almost any interaction between a pair of quantum systems has the potential to create entanglement. In fact, it would be weirder if an interaction between a pair of particles didn't leave them at least slightly entangled.

For starters, any scattering process between two particles can create entanglement (e.g., Rutherford scattering).

The only time you can guarantee that no entanglement is generated is when the joint Hamiltonian can be decomposed into a sum of separate Hamiltonians for each particle, which amounts to them evolving independently of one another in time.
 
  • #4
Scientists have realized that the Kondo effect results from a relationship between electrons known as "entanglement" in which the quantum state of one electron is tied to those of neighboring electrons, even if the particles are later separated by considerable distances. In the case of Kondo effect, a trapped electron is entangled in a complex manner with a cloud of surrounding electrons.

Read more at: http://phys.org/news/2011-06-electrons-entangled.html#jCp
 

1. What is entanglement?

Entanglement is a phenomenon in quantum mechanics where two or more particles become connected in such a way that the quantum state of one particle cannot be fully described without considering the state of the other particles. This means that any measurement made on one particle will instantaneously affect the state of the other particle, regardless of the distance between them.

2. How do particles become entangled?

Particles become entangled through a process called quantum entanglement, where two or more particles interact in such a way that their quantum states become correlated. This can happen through various interactions, such as collisions or interactions with photons.

3. What are some examples of interactions that can entangle particles?

Some examples of interactions that can entangle particles include the absorption and emission of photons, collisions between particles, and interactions with external magnetic or electric fields.

4. Why is entanglement important in quantum mechanics?

Entanglement is important in quantum mechanics because it allows for the possibility of quantum teleportation, secure communication through quantum cryptography, and quantum computing. It also plays a crucial role in various quantum phenomena, such as superposition and quantum tunneling.

5. Can entanglement be observed in everyday objects?

No, entanglement cannot be observed in everyday objects. It is a phenomenon that only occurs at the quantum level and requires highly controlled experimental conditions to be observed. However, the effects of entanglement can be observed and utilized in various technologies, such as quantum computers and quantum communication devices.

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