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## Description
Improve API and tests and code utilities of the existing Model Hamiltonian package.
## :books: Package Description and Impact
In many cases, the true many-electron Hamiltonian is …
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when i finish the training, i see the config
To get the prediction error and predicted Hamiltonians on the twisted structures:
1. Unzip the file `Bismuth_twisted.zip`.
2. Find the configuratio…
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The PurificationMPS views the purified state as an MPS with an additional extra leg q, i.e. it explicitly distinguishes the ancilla from the physical hilbert space.
Thus, algorithm engines that shoul…
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Hi! I want to implement some code using the Ising model and I have this function here:
```
from qibo import hamiltonians
from qibo.symbols import X, Z
def Ising(lam, nqubits):
symbol…
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# Abstract
Aqua has a DOcplex translator for optimization problems. It automatically generate an Ising Hamiltonian for an optimization problem from an optimization model to solve it with quantum co…
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There is a use-case for a general interface to different neighbourlist implementations.
(Previous discussions have failed to lead anywhere...)
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Because model WrightSim Hamiltonians have a specific size and number of non-zero elements, it is possible to create and compile a low-level matrix-vector multiplication method to be used in WrightSim …
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I've been trying to use the `expectation_from_samples` method under `SymbolicHamiltonian` together with measurements in the Pauli X/Y basis (#799).
However, `expectation_from_samples` currently only …
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#### Summary:
For N parameters, there's an NxN Cholesky computed every time a new momentum is drawn. In reality we only need to recompute that when the metric changes.
#### Description:
Check…
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Hi all,
I've been using OpenFermion to study some simple spin models on the Honeycomb lattice related to the Kitaev model, and it occurred to me, given the popularity of the Kitaev model and other …