GOOGLE LLC (20240346360). USING QUANTUM COMPUTERS TO ACCELERATE CLASSICAL MEAN-FIELD DYNAMICS simplified abstract

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USING QUANTUM COMPUTERS TO ACCELERATE CLASSICAL MEAN-FIELD DYNAMICS

Organization Name

GOOGLE LLC

Inventor(s)

Ryan Babbush of Venice CA (US)

Joonho Lee of New York NY (US)

William Huggins of Oakland CA (US)

USING QUANTUM COMPUTERS TO ACCELERATE CLASSICAL MEAN-FIELD DYNAMICS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240346360 titled 'USING QUANTUM COMPUTERS TO ACCELERATE CLASSICAL MEAN-FIELD DYNAMICS

The patent application describes methods, systems, and apparatus for simulating a quantum system using a quantum computer.

  • Performing a first quantized quantum algorithm on an initial quantum state to simulate time evolution of a fermionic system and generate a time-evolved quantum state.
  • Measuring the time-evolved quantum state to obtain one or more reduced density matrices in first quantization.
  • Utilizing a classical shadows method that applies separate random Clifford channels to each qubit register of multiple qubit registers representing occupied orbitals in the fermionic system.
      1. Potential Applications:

This technology could be applied in quantum chemistry simulations, material science research, and optimization problems that can benefit from quantum computing capabilities.

      1. Problems Solved:

This technology addresses the challenge of simulating complex quantum systems efficiently and accurately, which is crucial for various scientific and industrial applications.

      1. Benefits:

The innovation allows for more precise simulations of quantum systems, potentially leading to advancements in drug discovery, materials design, and other fields that rely on understanding quantum phenomena.

      1. Commercial Applications:

"Quantum System Simulation Technology for Advanced Research and Development"

      1. Prior Art:

Researchers can explore prior studies on quantum algorithms, quantum simulation techniques, and quantum computing advancements to understand the evolution of this technology.

      1. Frequently Updated Research:

Stay informed about the latest developments in quantum computing, quantum algorithms, and quantum simulation methods to enhance the understanding and application of this technology.

        1. Questions about Quantum System Simulation Technology:

1. How does this technology improve upon traditional methods of simulating quantum systems? 2. What are the potential limitations or challenges of implementing this quantum simulation approach?


Original Abstract Submitted

methods, systems, and apparatus for simulating a quantum system. in one aspect, a method includes performing a first quantized quantum algorithm on an initial quantum state to simulate time evolution of a fermionic system and generate a time evolved quantum state; and measuring, by the quantum computer, the time evolved quantum state to obtain one or more reduced density matrices in first quantization, the measuring including performing a classical shadows method that applies separate random clifford channels to each qubit register of multiple qubit registers that represent respective occupied orbitals in the fermionic system.

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