The quantum geometric tensor from generating functions
Por:
Alvarez-Jimenez, Javier, Vergara J.D.
Publicada:
1 ene 2019
Categoría:
Physics and astronomy (miscellaneous)
Resumen:
We introduce a new method to compute the Quantum Geometric Tensor, this procedure allows us to compute the Quantum Information Metric and the Berry curvature perturbatively for a theory with an arbitrary interaction Hamiltonian. The calculation uses the generating function method, and it is illustrated with the harmonic oscillator with a linear and a quartic perturbation. © 2019 World Scientific Publishing Company.
Filiaciones:
Alvarez-Jimenez, Javier:
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, C.U., Ciudad de México, 04510, Mexico
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Ciudad De Mexico 04510, Mexico
Vergara J.D.:
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, C.U., Ciudad de México, 04510, Mexico
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