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| DOI | 10.1088/2058-9565/AD5228 | ||||
| Año | 2024 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Dynamical quantum phase transition is a critical phenomenon involving out-of-equilibrium states and broken symmetries without classical analogy. However, when finite-sized systems are analyzed, dynamical singularities of the rate function can appear, leading to a challenging physical characterization when parameters are changed. Here, we report a quantum support vector machine algorithm that uses quantum Kernels to classify dynamical singularities of the rate function for a multiqubit system. We illustrate our approach using N long-range interacting qubits subjected to an arbitrary magnetic field, which induces a quench dynamics. Inspired by physical arguments, we introduce two different quantum Kernels, one inspired by the ground state manifold and the other based on a single state tomography. Our accuracy and adaptability results show that this quantum dynamical critical problem can be efficiently solved using physically inspiring quantum Kernels. Moreover, we extend our results for the case of time-dependent fields, quantum master equation, and when we increase the number of qubits.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Tancara, Diego | - |
Universidad Mayor - Chile
|
| 2 | Fredes, Jose | - |
Universidad Mayor - Chile
|
| 3 | Norambuena, Ariel | Hombre |
Universidad Mayor - Chile
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| Fuente |
|---|
| Universidad Mayor |
| FONDECYT Iniciación |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Universidad Mayor through the Doctoral fellowship |
| Agradecimiento |
|---|
| D T acknowledges support from the Universidad Mayor through the Doctoral fellowship. A N acknowledges the financial support from the project Fondecyt Iniciacion # 11220266. The authors acknowledge fruitful comments and observations from Francisco Albarran-Arriagada. |
| D T acknowledges support from the Universidad Mayor through the Doctoral fellowship. A N acknowledges the financial support from the project Fondecyt Iniciaci\u00F3n 11220266. The authors acknowledge fruitful comments and observations from Francisco Albarr\u00E1n-Arriagada. |
| D T acknowledges support from the Universidad Mayor through the Doctoral fellowship. A N acknowledges the financial support from the project Fondecyt Iniciaci\u00F3n 11220266. The authors acknowledge fruitful comments and observations from Francisco Albarr\u00E1n-Arriagada. |