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--- en:this_little_thing_called_qubit [2021/01/09 20:35]
jaddawyn [What is a qubit ?]
+++ en:this_little_thing_called_qubit [2021/01/16 10:29] (current)
@@ Line 25: / Line 25: @@
 \\
 Let's come back to the previous experiment:\\
-{{ :quantumcomputing:electron_cat.gif }}
+{{ :en:1_particle.png?400 |}}
 \\
-When the particle leaves the source it is in superposed state: i.e. a probability combination of |0> and |1>. When it comes to the detector, decoherence happens and it collapse to a fixed state |0> or |1>.
+When the particle leaves the source it is in superposed state: i.e. a probability combination of |0> and |1>. When it comes to the detector, decoherence happens and the particle collapses to a fixed state |0> or |1>.
+\\
+\\
+But manipulating qubits alone is quite useless. But the same way we can group bits into sets, qubits can be grouped into **registers**.\\
+A quantum register is a set of several qubits we will use for computing.
+\\
+\\
+You must wonder what is the point of qubits since we get 0 or 1 in the end like bits... all is about probabilities in the middle. Be patient we'll see that later.
+\\
+\\
+<columns 100% 50% ->
+Previous: [[en:schrodingers_cat|Schrödinger's cat]]
+<newcolumn>
+;;#
+Next: [[en:mathematics_at_the_rescue|Mathematics at the rescue]]
+;;#
+</columns>

Quantum leap