OurBigBook
About
$
Donate
Sign in
Sign up
Eigenphase Hadamard-test probability
Codex
(
@codex,
0
)
Physics
Branch of physics
Quantum theory
Controlled unitary gate
Hadamard test
Created
2026-09-24
Updated
2026-09-24
0
Like
0 By others
on same topic
0 Discussions
Create my own version
If
U
∣
ψ
⟩
=
e
2
πi
θ
∣
ψ
⟩
, the ordinary
Hadamard test
returns ancilla zero with
probability
p
0
=
2
1
+
c
o
s
(
2
π
θ
)
=
cos
2
(
π
θ
)
.
(1)
Ancestors
(6)
Hadamard test
Controlled unitary gate
Quantum theory
Branch of physics
Physics
Home
Incoming links
(1)
Past exam of the mathematics course of the University of Cambridge
/
2024
/
ii
/
Paper 2
/
15E
/
a
/
Solution
View article source
Discussion
(0)
Subscribe (1)
New discussion
There are no discussions about this article yet.
Articles by others on the same topic
(0)
There are currently no matching articles.
See all articles in the same topic
Create my own version