Quantum Computing -- Quantum Information & Communication

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Amal Salman

22 mars 2021 19:31

I believe it'd be great to add content on quantum computing. Other than it being a hot, rapidly growing field, I think it's a great way to learn quantum mechanics. I've followed undergraduate courses in both quantum mechanics and quantum computing (that didn't require previous knowledge in quantum mechanics). I have to say quantum computing is a much easier way to learn quantum mechanics because it's tangible--you can clearly see the difference between what is quantum and what is classical--while most quantum mechanics courses are too abstract for the majority of students to easily follow.

Moreover, a quantum computing course teaches many other things than quantum mechanics (all without a real need for previous knowledge except maybe in linear algebra), such as probability theory, algorithms, computational complexity, and also things like the philosophy of science and the effect of new, disruptive technology on society (for example in Law).

I can only imagine the amazing content Khan Academy can make with a topic like this :)

This is a link to the undergraduate quantum computing course I followed at Amsterdam University College: https://studiegids.uva.nl/xmlpages/page/2020-2021-en/search-course/course/80092

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pa_u_los

26 mars 2021 19:52
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Hello. Can you please explain me how could you follow a course on quantum mechanics without previous knowledge on quantum mechanics? That's the normal thing! You don't do calculus with a prerequisite of knowing calculus! Also, how can you do quantum computing without knowing about quantum mechanics? Seems non-sense to me. I only know that that quanticized things are values in terms of natural numbers, quantas. And you can no longer predict the behaviour of a certain particle (say an electron) because it follows a probabilistic behaviour. My mathematics and physics knowledge is still weak.
Amal Salman

27 mars 2021 07:43
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The quantum computing course was one that didn't require previous knowledge in quantum mechanics.

To be more precise, the quantum mechanics course required previous knowledge in Calculus and Linear Algebra, and the quantum computing course required only Linear Algebra (you can check the link I added before).

I also should make clear that I'm not talking about advanced level quantum mechanics or advanced level quantum computing here, but beginner/introductory level (first/second-year undergraduate physics level).

The quantum computing course covers the basics of quantum mechanics but using a different method than a quantum mechanics course would as I explained before (and also refreshes your linear algebra knowledge). You finish the quantum computing course with a basic understanding of quantum mechanics (which I argue would be a stronger foundation than you'd get from a normal quantum mechanics course), then you can continue on and do a quantum mechanics course (which I argue would now be easier to follow). And if your goal is to just learn quantum mechanics, then you have quantum computing knowledge as a bonus as well as knowledge of some other subjects as I explained above.

Hope that explains my point of view.

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Quantum Computing -- Quantum Information & Communication

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