Circuit to Create and Entangled State

In summary, the conversation discusses the attempt to find a circuit to construct the entangled state \frac1{\sqrt3} \left( |00\rangle + |01\rangle + |11 \rangle \right) in a quantum information setting. The individual has tried using the Bell EPR circuit with different input states, but it has not worked so far. They also question the possibility of using the Bell circuit with three components instead of two, but the problem lies in the fact that the given state has three components in superposition.
  • #1
Kreizhn
743
1

Homework Statement


In a quantum information setting:

I'm trying to find a circuit to construct the state

[tex] \frac1{\sqrt3} \left( |00\rangle + |01\rangle + |11 \rangle \right) [/tex]

The Attempt at a Solution


This state is entangled, and so I've been playing with different input states to try and create this using the Bell EPR circuit. This hasn't worked so far, so if anyone has a better idea it would be much appreciated.
 
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  • #2
Now I don't know much about quantum computing, but if you have three terms in the state, don't you need three components to build that state? And doesn't the Bell circuit only have two components?
 
  • #3
The problem for me lies precisely in the fact that there's three components in the super-position. If the Bell circuit took three inputs though, we would have a superposition on three qubits rather than just two. Also, the Bell-circuit seemingly will only entangle for two components, since it's possible to create a four-component state but I don't think it's entangled.
 

What is a "Circuit to Create and Entangled State"?

A "Circuit to Create and Entangled State" is a quantum circuit that is designed to create a special state of entanglement between two or more quantum bits (qubits). This entanglement allows for the qubits to be correlated in a way that is not possible in classical computing, making it a key component in quantum information processing.

How does a "Circuit to Create and Entangled State" work?

In a "Circuit to Create and Entangled State", qubits are first initialized in a certain state and then manipulated using quantum gates to create the desired entangled state. These gates can include operations such as controlled NOT (CNOT) gates and Hadamard gates, which can entangle qubits by flipping their states based on the state of another qubit.

Why is entanglement important in quantum computing?

Entanglement is important in quantum computing because it allows for the creation of superposition states, where the qubits exist in multiple states simultaneously. This exponentially increases the computational power of quantum computers, allowing them to solve certain problems much faster than classical computers.

What are the applications of "Circuit to Create and Entangled State"?

"Circuit to Create and Entangled State" has numerous applications in quantum computing, including quantum cryptography, quantum teleportation, and quantum error correction. It also has potential applications in fields such as chemistry and finance, where it can be used to simulate complex systems and optimize financial portfolios.

What are the challenges in creating a "Circuit to Create and Entangled State"?

One of the main challenges in creating a "Circuit to Create and Entangled State" is maintaining the entanglement between qubits. This requires precise control and isolation of the qubits to prevent any external interference. Additionally, finding the optimal entangled state for a specific problem can be a difficult task, as it often requires a large number of qubits and complex circuit designs.

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