How can we measure the reality in quBits?

In summary, the conversation discusses the concept of measuring "reality" in quBits, which are used in quantum computing. The idea of determining the number of quBits in a physical object, such as an apple, is explored but deemed practically impossible due to the constant interactions and decoherence of particles in an object. The use of extreme conditions and advanced technology is necessary to even observe and measure quantum entanglement. Overall, the conversation highlights the complexity and limitations of measuring and understanding the quantum world.
  • #1
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How can we measure the "reality" in quBits?

Hello
All matter is based in information, and quantum computing use quBits, so I was wondering how can we measure the reaility in quBits?
A certain solid objet, let's imagine an apple, it has a weight and we can calculate (approximately) the number of atoms in it.
How can we know the number of quBits in that apple?
I was thinking about this long time ago, and if could it be possible to develop an excell with the appropriate formulas in which introducing some parameters (for example the number of atoms present in a solid object?) could we find the qubits in it.
Any ideas?
 
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  • #2


Well I think you need to read up on quantum entanglement , and quantum physics basically, wikipedia will do for starters.
Your question is not so clear it is hard to derive a idea from it but talking about an apple or any other physical object , you can't actually tell the entanglement in it's atoms , when atoms and elementary particles are all together in an object they are usually so much and they are constantly interacting with one another and that causes decoherence so you wouldn't be able to tell.
That's why physicists use extremely low temperatures and magnetic fields and other things to separate individual electrons for example so that would not be able to interact atleast for a while so that they could see and use the quantum entanglement effects.The moment you take away those special conditions the electrons interact and the entanglement is lost.

ofcourse in an apple there could be many particles in an entangled state at the same moment but that happens so fast and they are so many that there would be no way to tell.
 
  • #3


So would it be impossible to calculate in a rough way (approximate) the number of qubits present in a solid object?
 
  • #4


In theory almoust anything can be done in reality I think it would be like counting the hair on your head.
Pretty hard close to impossible ofcourse if your not a bold head.

Even in a tiny piece of matter there are millions of millions of atoms and way more elementary particles.So well...
Remember that for one to know if two particles have been or are entangled they have to measure them which requires to separate them from the rest and so on.That's a tough thing to accomplish.
 
  • #5

Related to How can we measure the reality in quBits?

1. How do we define reality in quBits?

Reality in quBits is defined as the state of a quantum system, which can exist in multiple states simultaneously. This concept is known as superposition and is a fundamental principle of quantum mechanics.

2. What is the role of measurement in determining reality in quBits?

Measurement is crucial in determining the reality in quBits. It collapses the superposition of states into a single state, providing us with a definite measurement outcome. This allows us to observe and measure the behavior of quBits and understand their reality.

3. How can we measure the reality of a single quBit?

The reality of a single quBit can be measured using a quantum state tomography technique. This involves performing measurements on the quBit in different bases and using this data to reconstruct the state of the quBit.

4. Can we measure the reality of multiple quBits simultaneously?

Yes, we can measure the reality of multiple quBits simultaneously using entanglement. Entanglement is a phenomenon where two or more particles become connected in such a way that the state of one is dependent on the state of the other, even when they are physically separated. By measuring the entangled particles, we can determine their shared reality.

5. How accurate are measurements in determining the reality of quBits?

The accuracy of measurements in determining the reality of quBits depends on various factors such as the precision of the measurement device, the strength of the entanglement, and the stability of the quantum state. With advancements in technology, we are now able to measure the reality of quBits with high accuracy.

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