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Quantum Computing
M. Stern's user avatar
M. Stern's user avatar
M. Stern's user avatar
M. Stern
  • Member for 6 years, 9 months
  • Last seen this week
  • Germany
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I'm a german physicist. My main interests are quantum theory, programming, autonomous driving and renewable energies.

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27
If all quantum gates must be unitary, what about measurement?
Mar 15, 2018
question
24
Which quantum error correction code has the highest threshold (as proven at the time of writing this)?
Mar 13, 2018
question
22
Advantage of quantum key distribution over post-quantum cryptography
Mar 15, 2018
answer
22
Is error correction necessary?
Mar 14, 2018
question
15
How does approximating gates via universal gates scale with the length of the computation?
Mar 19, 2018
question
14
Given a decomposition for a unitary $U$, how do you decompose the corresponding controlled unitary gate $C(U)$?
Mar 26, 2018
answer
12
Unentangling a qubit from a system: can we convert $\alpha|000\rangle+\beta|111\rangle$ into $\alpha|00\rangle+\beta|11\rangle$?
Jan 26, 2020
answer
11
What is the quantum circuit equivalent of a (delayed choice) quantum eraser?
Apr 2, 2018
answer
9
How to compactly represent multiple qubit states?
Mar 17, 2018
answer
8
Who built the first quantum computer using at least two qubits?
Mar 25, 2018
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Accepting Nominations — Who should Moderate♦ this site?
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Why would a previously spacefaring civilization become unable to build another interstellar ship?
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About to write my PhD thesis and I don't know the basics and fundamentals. I am feeling unworthy of the PhD title. What should I do?
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Can social isolation kill babies?
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Did the US confiscate 200,000 masks from a delivery to Berlin?
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My professor skipped me on Christmas bonus payment