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Quantum Computing
Theory and simulations


Rotation around a generic axis
In the previous post, we saw how to rotate the density operator with respect to the x, y, and z axes, and we derived simple formulas...
Cristian Mesiano
13 hours ago2 min read
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Pauli Algebra and Rotations on the Bloch sphere
In this post, we explore a topic already discussed in the previous post: the representation of the density operator on the Bloch sphere....
Cristian Mesiano
2 days ago3 min read
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Rotations, Density Operator and gentle introduction of Pauli matrices
You can’t approach quantum computing without becoming a black belt in rotations.
Cristian Mesiano
May 265 min read
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Entanglement - let's do it on a Quantum Computer
We have seen very little about a qubit, much more is to come, but for the time being let's see
Cristian Mesiano
May 124 min read
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Projection Operator
Unlike spaces defined over a real field, in Hilbert spaces where quantum states are defined, the vector product (called the outer...
Cristian Mesiano
May 22 min read
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The Bloch Sphere (part 2: Visualise the Quantum States)
By the end of this post, you'll be able to visualise quantum states on a sphere. We'll write a very small script that will also allow you...
Cristian Mesiano
Apr 263 min read
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The Bloch Sphere (part 1: the math foundations)
I believe there is no topic more mistreated in mainstream tech communication than quantum computing.
Cristian Mesiano
Apr 223 min read
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