List questions from quantum-computation

Published on 17 Sep 2017 - 9:13

49

Views

Can I "force" all eigenvalues to be 1 in describing a quantum state?

Published on 01 Oct 2017 - 14:49

79

Views

How do I construct a multibit quantum operator for non-consecutive bits?

Published on 02 Oct 2017 - 18:41

797

Views

Why does this solution to the Bernstein-Vazirani problem use $ (-1)^{f(x)} $

Published on 15 Oct 2017 - 5:02

183

Views

Derivative of fidelity with respect to time

Published on 18 Dec 2017 - 7:40

214

Views

How to read Mermin's use of subscripts in his Cbit operators?

Published on 27 Dec 2017 - 13:33

51

Views

An $N$-qubit system keeps $2^N$ pieces of information or should we say $2^{N+1}$?

Published on 12 Jan 2018 - 21:06

293

Views

Quantum Information: Deutsch-Jozsa Algorithm

Published on 13 Aug 2012 - 21:04

93

Views

Factoring of exponents in Simon's algorithm

Published on 22 Mar 2013 - 23:46

1.2k

Views

Does bra-ket notation work for all inner product spaces?

Published on 27 Mar 2013 - 13:05

6.1k

Views

Is a bra the adjoint of a ket?

Published on 27 Mar 2013 - 16:43

105

Views

How many unique values of $\cos(\frac{a\pi}{N})\cos(\frac{b\pi}{N})$ are there for the positive integers $a,b < N$

Published on 05 Aug 2020 - 6:05

57

Views

quantum tensor equation simplification

Published on 15 Aug 2020 - 9:55

151

Views

Understanding the probability of measure in the Deutsch-Jozsa quantum algorithm

Published on 21 Aug 2020 - 14:48

1k

Views

How to prove Projection operators are Hermitian/positive?

Published on 26 Mar 2026 - 14:24

List Question

Existence of an ensemble of pure states for a prescribed density matrix

Can I "force" all eigenvalues to be 1 in describing a quantum state?

How do I construct a multibit quantum operator for non-consecutive bits?

Why does this solution to the Bernstein-Vazirani problem use $ (-1)^{f(x)} $

Derivative of fidelity with respect to time

How to read Mermin's use of subscripts in his Cbit operators?

An $N$-qubit system keeps $2^N$ pieces of information or should we say $2^{N+1}$?

Quantum Information: Deutsch-Jozsa Algorithm

Factoring of exponents in Simon's algorithm

Does bra-ket notation work for all inner product spaces?

Is a bra the adjoint of a ket?

How many unique values of $\cos(\frac{a\pi}{N})\cos(\frac{b\pi}{N})$ are there for the positive integers $a,b < N$

quantum tensor equation simplification

Understanding the probability of measure in the Deutsch-Jozsa quantum algorithm

How to prove Projection operators are Hermitian/positive?

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