All Questions
5 questions
0
votes
0
answers
36
views
How to generate random quantum states in matlab?
I was wondering if there is some academic standard/any way of generating random n times n q-states/density matrices in Matlab without using any other package then QETLAB.
1
vote
0
answers
321
views
QuTiP VS RK45: Which one gives the correct results for time-dependent systems?
I am writing a code for a quantum thermal machine which includes both coherent and dissipative time evolutions in its different stages of operation. However, evolving the system with "mesolve&...
5
votes
1
answer
364
views
What is the superop simulator in Qiskit for?
I'm trying to understand what the use case of a superop simulator would be. My understanding is that density matrix is generally more resource intensive than state vector, but it has additional ...
0
votes
1
answer
477
views
Produce a quantum state with its density matrix an identity matrix up to an constant
For a n-qubit quantum state $|\psi\rangle=\displaystyle\sum_{i=0}^{2^N-1}|i\rangle$, by definition it's density matrix is $|\psi\rangle\langle\psi|=\displaystyle\sum_{i,j=0}^{2^N-1}|j\rangle\langle i|$...
2
votes
2
answers
5k
views
How do I construct a Density Matrix corresponding to a Hamiltonian?
I have a Hamiltonian and I want to know the corresponding density matrix. The matrix I'm interested in is the one in this question.