diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 0b799eb..a9d5af5 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,12 +13,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "SS2026/Quantum Computing/12. Grover's Algorithm/Grover's Algorithm.md",
+                "file": "SS2026/Quantum Computing/13. Quantum Physics/Quantum Physics.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "Grover's Algorithm"
+              "title": "Quantum Physics"
             }
           }
         ]
@@ -218,25 +218,26 @@
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   "active": "25f5b25d5eca7203",
   "lastOpenFiles": [
+    "SS2026/Quantum Computing/12. Grover's Algorithm/Grover's Algorithm.md",
+    "SS2026/Quantum Computing/Anhänge/Introduction-to-Quantum-Computing.pdf",
+    "SS2026/Quantum Computing/13. Quantum Physics/Quantum Physics.md",
+    "SS2026/Quantum Computing/Introduction to Quantum Computing.md",
+    "SS2026/Quantum Computing/13. Quantum Physics",
+    "SS2026/Quantum Computing/12. Grover's Algorithm/Anhänge/Pasted image 20260805110648.png",
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@@ -246,7 +247,6 @@
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     "SS2026/Quantum Computing/9. Bernstein-Vazirani",
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-    "SS2026/Quantum Computing/8. Ket Notation/Anhänge",
     "SS2026/Quantum Computing/4. Observing and measuring/Observing probabilistic and measuring quantum systems.md",
     "SS2026/Quantum Computing/5. Partial observing and measuring/Partial observing and measuring systems.md",
     "SS2026/Quantum Computing/6. Composite Systems/Composite Systems.md",
@@ -263,7 +263,6 @@
     "SS2026/Datenbanken und Informationssysteme/8. Alternative Datenmodelle und No-SQL/Alternative Datenmodelle und No-SQL.md",
     "SS2026/Datenbanken und Informationssysteme/4. SQL/Unbenannt.md",
     "SS2026/Datenbanken und Informationssysteme/4. SQL/TCL Transaction Control Language SQL.md",
-    "SS2026/Datenbanken und Informationssysteme/4. SQL/DQL Data Query Language SQL.md",
-    "SS2026/Datenbanken und Informationssysteme/4. SQL/DML Data Manipulation Language SQL.md"
+    "SS2026/Datenbanken und Informationssysteme/4. SQL/DQL Data Query Language SQL.md"
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diff --git a/SS2026/Quantum Computing/12. Grover's Algorithm/Grover's Algorithm.md b/SS2026/Quantum Computing/12. Grover's Algorithm/Grover's Algorithm.md
index bfce5b2..6eb0530 100644
--- a/SS2026/Quantum Computing/12. Grover's Algorithm/Grover's Algorithm.md	
+++ b/SS2026/Quantum Computing/12. Grover's Algorithm/Grover's Algorithm.md	
@@ -38,4 +38,20 @@ Now we define the unitary FLIP$_*$:
 
 The algorithm works as follows:
 1. $\ket{0}$ on every qubit.
-2. 
+2. Superposition over all entries via H which results in the quantum state $\ket{*}$
+3. Apply unitary $V_f$
+4. Apply unitary FLIP$_*$
+5. Repeat 3 and 4 t times
+6. Measure.
+
+How does this work?:
+We want the algorithm to terminate in $\ket{x_0}$
+First, we bring the system into uniform superposition $\ket{*}$
+We know that $\ket{x_0}$ is part of the superposition so we can rewrite as follows:
+
+![[Pasted image 20260805110521.png]]
+
+![[Pasted image 20260805110633.png]]
+![[Pasted image 20260805110641.png]]
+![[Pasted image 20260805110648.png]]
+
diff --git a/SS2026/Quantum Computing/13. Quantum Physics/Quantum Physics.md b/SS2026/Quantum Computing/13. Quantum Physics/Quantum Physics.md
new file mode 100644
index 0000000..e69de29
diff --git a/SS2026/Quantum Computing/Introduction to Quantum Computing.md b/SS2026/Quantum Computing/Introduction to Quantum Computing.md
index 244bc46..e698c3b 100644
--- a/SS2026/Quantum Computing/Introduction to Quantum Computing.md	
+++ b/SS2026/Quantum Computing/Introduction to Quantum Computing.md	
@@ -10,3 +10,5 @@
 ## 10. [[Discrete Fourier Transformation]]
 ## 11. [[Shor's Algorithm]]
 ## 12. [[Grover's Algorithm]]
+## 13. [[Quantum Physics]]
+