The quantum geometric tensor from generating functions-Reference-Cited by-同舟云学术

The quantum geometric tensor from generating functions

Published:2019-03 Issue:02 Volume:17 Page:1950017
ISSN:0219-7499
Container-title:International Journal of Quantum Information
language:en
Short-container-title:Int. J. Quantum Inform.

Author:

Alvarez-Jimenez Javier¹,Vergara J. David¹^ORCID

Affiliation:

1. Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, C.U., Ciudad de México 04510, México

Abstract

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.

Publisher

World Scientific Pub Co Pte Lt

Subject

Physics and Astronomy (miscellaneous)

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0219749919500175

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