To make 2-qubits entanglement on quantum circuit

Yuichiro Minato
Jun 8 · 2 min read

First

[1
1
1
1]

Basic of quantum entanglement

---H---*----
|
-------X----
[1
0
0
1]

To control state vector

[1
0
0
0]
[1 ⊗[1
0] 0]
[0  or [0  or [0
1 0 0
0 1 0
0] 0] 1]
[1
0
1
0]
[1
1
1
1]

How to get 3 from 4

[1
0
1
1]
[1
0
0
0]
[1
0
√2
0]
[1 
1
1/√2 -1/√2
1/√2 1/√2 ]
[1
0
1
1]

Conclusion

MDR Inc.

quantum computing company in Tokyo

Yuichiro Minato

Written by

MDR, Quantum Computing@Tokyo, https://mdrft.com/

MDR Inc.

MDR Inc.

quantum computing company in Tokyo