From bcae81336764eb6c4cdf0f91e2fe632b625dd8b2 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Sun, 23 Oct 2022 22:18:11 +0200
Subject: Optimize and improve naming of all images in knowledge base
---
source/know/concept/quantum-gate/index.md | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
(limited to 'source/know/concept/quantum-gate/index.md')
diff --git a/source/know/concept/quantum-gate/index.md b/source/know/concept/quantum-gate/index.md
index 8c251be..e8ff579 100644
--- a/source/know/concept/quantum-gate/index.md
+++ b/source/know/concept/quantum-gate/index.md
@@ -14,6 +14,7 @@ the number of possible quantum gates is uncountably infinite,
so we only consider the most important examples here.
+
## One-qubit gates
As an example, consider the following must general single-qubit state $$\Ket{\psi}$$:
@@ -165,6 +166,7 @@ This is the definition of universality:
any state can be approximated.
+
## Two-qubit gates
As an example, let us consider
@@ -202,9 +204,7 @@ but not always in the basis of $$\Ket{0}_1$$, $$\Ket{1}_1$$, $$\Ket{0}_2$$ and $
With that said, the first two-qubit gate is $$\mathrm{SWAP}$$,
which simply swaps $$\Ket{\psi_1}$$ and $$\Ket{\psi_2}$$:
-
-
-
+{% include image.html file="swap.png" width="22%" alt="SWAP gate diagram" %}
$$\begin{aligned}
\boxed{
@@ -231,9 +231,7 @@ $$\begin{aligned}
Next, there is the **controlled NOT gate** $$\mathrm{CNOT}$$,
which "flips" (applies $$X$$ to) $$\Ket{\psi_2}$$ if $$\Ket{\psi_1}$$ is true:
-
-
-
+{% include image.html file="cnot.png" width="22%" alt="CNOT gate diagram" %}
$$\begin{aligned}
\boxed{
@@ -258,9 +256,7 @@ More generally, from every one-qubit gate $$U$$,
we can define a two-qubit **controlled U gate** $$\mathrm{CU}$$,
which applies $$U$$ to $$\Ket{\psi_2}$$ if $$\Ket{\psi_1}$$ is true:
-
-
-
+{% include image.html file="cu.png" width="22%" alt="CU gate diagram" %}
$$\begin{aligned}
\boxed{
--
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