Questions tagged [openfermion]

For questions related to OpenFermion python library for studying quantum algorithms related to fermionic systems such as those arising in quantum chemistry.

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Openfermion : `get_sparse_operator` issue

I am trying to use operfermion to calculated the eigen values for different molecules. Tried for Hydrogen, LithiumHydride, Water. It works fine. When Itried to calculated the same thing for Ozone, ...
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1answer
47 views

Finding the norm of a Hamiltonian

I am experimenting with https://journals.aps.org/prx/pdf/10.1103/PhysRevX.8.041015 and in equation 36 I find that they use the norm of the Hamiltonian. Is there a clean way to compute it, or an upper ...
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1answer
35 views

How to get eigenvectors of Hamiltonian in OpenFermion

In OpenFermion you can create a Hamiltonian in terms of creation and annihilation pretty easily: ...
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22 views

Molecular Docking using Quantum Computing

I would like to ask if somebody could suggest me a pair of ligand-Protein which had been validated and the corresponding resulting drug is already being used commercially. I am interested in ...
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1answer
44 views

noisy circuit by openfermion

I am working on designing quantum error mitigation algorithms for simulating chemical systems. Therefore, a necessary component is to add noisy to the ideal circuit when using a quantum simulator. But ...
3
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1answer
84 views

implement variational quantum eigensolver with openfermion

Can someone provide me with an example about how to implement VQE with OpenFermion, for example, use the UCCSD ansatz to get the ground state energy of LiH. I have checked some code, but none of them ...
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1answer
69 views

How to get a molecular Hamiltonians in OpenFermion

I want to get a jordan_wigner_hamiltonians of a molecule-ion by using ...
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0answers
51 views

“$W_n$ state” in Bravyi-Kitaev encoding

For a particular simulation, I need the initial (physical) state of the QC to represent the equal superposition of all single-occupancy fermionic second-quantized states. In Jordan-Wigner encoding, I ...
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0answers
223 views

Openfermion to qiskit

Is there a direct way to go from an object generated in openfermion to objects usable in Qiskit. I can't find anything about any plugin. It's not too hard to translate into pyQuil and then to Qiskit ...
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51 views

Error during Forest openfermion installation

I tried installing Forest openfermion by pip install forestopenfermion and I got the following long error message (cut): ...