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Efficient mapping for Anderson impurity problems with matrix product states
Lucas Kohn, Giuseppe E. Santoro
We propose an efficient algorithm to numerically solve Anderson impurity problems using matrix product states. By introducing a modified chain mapping we obtain significantly lower…
The quantum Ising chain for beginners
Glen Bigan Mbeng, Angelo Russomanno, Giuseppe E. Santoro
We present here various techniques to work with clean and disordered quantum Ising chains, for the benefit of students and non-experts. Starting from the Jordan-Wigner transformati…
Reinforcement Learning assisted Quantum Optimization
Matteo M. Wauters, Emanuele Panizon, Glen B. Mbeng +1
We propose a reinforcement learning (RL) scheme for feedback quantum control within the quan-tum approximate optimization algorithm (QAOA). QAOA requires a variational minimization…
Polynomial scaling of QAOA for ground-state preparation of the fully-connected p-spin ferromagnet
Matteo M. Wauters, Glen Bigan Mbeng, Giuseppe E. Santoro
We show that the quantum approximate optimization algorithm (QAOA) can construct with polynomially scaling resources the ground state of the fully-connected p-spin Ising ferromagne…