Work

Determining probability density functions with adiabatic quantum computing

Year: 2025
Type: article
Abstract: The two main approaches to quantum computing are gate-based computation and analog computation, which are polynomially equivalent in terms of complexity, and they are often seen as alternatives to each other. In this work, we present a method for fitting one-dimensional probability distributions as a practical example of how analog and gate-based computation can be used together to perform different tasks within a single algorithm. In particular, we propose a strategy for encoding data within an adiabatic evolution model, which accommodates the fitting of strictly monotonic functions, as it is the cumulative distribution function of a dataset. Subsequently, we use a Trotter-bounded procedure to translate the adiabatic evolution into a quantum circuit in which the evolution time t is identified with the parameters of the circuit. This facilitates computing the probability density as derivative of the cumulative function using parameter shift rules.
Language: English
Open Access status: hybrid
Estimated APC paid: $3,390
Funder: CERN
OpenAlex ID: W4406067484
FWCI: 0.809
Cites: 31
Cited by: 7
Related to: 10