HQS Raqet

The Noisy System Solver

Simulation

HQStage Module

Use-Case

Raqet is particularly valuable in the field of NMR, where problems related to the study of molecular structure are translated into problems involving the investigation of spin systems coupled with environmental noise. Raqet also aids in understanding how noise impacts the performance of quantum computers in carrying out useful computations. Additionally, Raqet can be utilized to analyze numerous other technological applications that harness quantum effects through systems influenced by their environment.

HQS Raqet is a powerful tool that allows for the efficient simulation of spin systems affected by environmental noise. It is designed to take advantage of the fact that in such systems, noise limits the spread of quantum correlations. This can be used to reduce the level of complexity required to describe the physics of the system. In HQS Raqet this reduction of complexity is leveraged to allow the user to study systems of considerable size and fundamentally understand the computational complexity of simulating noisy quantum systems.

Features

  • Input Hamiltonian System: Raqet takes as input a Hamiltonian system affected by noise.

  • Truncated Equations of Motion: It returns a truncated set of equations of motion that are simpler than the equations of motion required for perfect accuracy.

  • Accounting for Noise: The truncated equations are derived by accounting for the limitations imposed by noise on the spread of correlations in the system.

  • Efficient Dynamics Solving: The simplicity of the truncated equations allows for solving the dynamics of the system in polynomial time, rather than exponential time.

Benefits

  • Relevance to Modern Industry: Raqet allows for the simulation of quantum spin systems coupled to Lindblad noise, precisely the types of systems that are relevant for the study of quantum computation, molecular structures, and many other topics.

  • Ease of Use: A user of Raqet must only specify a Hamiltonian, a noise description, and an initial state, along with some basic information about the geometry of the system. From there, Raqet handles the rest.

  • Flexibility: Raqet allows for the simulation of arbitrary spin Hamiltonians under the effects of most common types of environmental noise and offers flexibility in defining the concept of geometry in the system of interest, allowing users to tailor the analysis based on their specific requirements.

  • Future-Proof Implementation: Raqet is continually updated to take advantage of the most recent developments in the simulation of noisy quantum systems. Future versions of Raqet will feature improvements to simulation speed, as well as the ability to simulate quantum systems other than spin systems, with more complicated types of environmental noise.

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