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Results tagged with circuit-construction
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user 1589
For questions about the construction of complex circuits using elementary quantum gates.
2
votes
2
answers
128
views
What's my computational basis if I want to define a unitary operator that implements a funct...
I know I must define $U_f$, the unitary operator, on the computational basis. But what's my computational basis here?
- 1,199
11
votes
3
answers
1k
views
What's an example of building a circuit $U_f$ that implements a simple function $f$?
I'd like to be able to program simple functions into simulators such as QCL. I read that any function $f$ can be implemented, but I don't know how to get say a unitary matrix that implements $f$.
$\n …
- 1,199
9
votes
1
answer
512
views
What do double wires mean in quantum circuits, and how do they relate to if statements?
The circuit
can be translated to the following code:
operation Teleport(msg, there) {
let register = AllocateRegister();
let here = register;
H(here);
CNOT(here, there);
CNOT( …
- 1,199
3
votes
2
answers
92
views
How can I invert the least significant bit of a certain term of a superposed state?
Say I have
$$\dfrac{1}{\sqrt{2}}\bigl(|1\rangle|221\rangle|0\rangle + |3\rangle|73\rangle|2\rangle\bigr).$$
How can I change that into
$$\dfrac{1}{\sqrt{2}}\bigl(|1\rangle|221\rangle|1\rangle + | …
- 1,199