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Intro
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We need reliable theory to accurately evaluate S-factors at stellar energies
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We combine nuclear forces derived within chiral effective field theory and ab initio methods
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Structure, scattering and reactions obtained with unified treatment of bound and unbound states
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combine it with experimental data to arrive at an improved evaluation of S..(0)
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The ab initio structure and reactions team
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Quantum computers perform calculations by manipulating quantum states
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A physical realization of a qubit is a transmon
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One can also work with registers of d-level quantum systems or qudits
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Physically, quantum gates are realized by irradiation with resonant microwave pulses (found by optimization)
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Quantum computing offers a natural framework for simulating time-dependent scattering theory
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A challenge is to realize useful quantum simulations in this early vacuum tube era' of quanturn computing
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In the near term, this is a self-inflicted problem! Can build custom gates for the problem of interest
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We can extract the energy spectrum from the signal because we are able to run the simulation a long time
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Custom gates enable major performance improvements for state preparation, broader class of problems
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The APS Topical Group On Few-Body Systems
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With minimal number of custom gates, we demonstrated 99% fidelity, 10-fold increase in quantum simulation time
Description:
Explore nuclear dynamics through 'classical' and quantum simulations in this 43-minute conference talk by Sofia Quaglioni from LLNL. Delve into the challenges of evaluating S-factors at stellar energies, combining nuclear forces derived from chiral effective field theory with ab initio methods. Discover how quantum computers offer a natural framework for simulating time-dependent scattering theory, and learn about the potential of custom gates to improve performance in quantum simulations. Gain insights into the unified treatment of bound and unbound states in structure, scattering, and reactions, as well as the extraction of energy spectra from quantum simulation signals. Understand the current state and future possibilities of quantum computing in nuclear physics research, presented as part of the Opportunities and Challenges in Few-Body Physics conference at the Kavli Institute for Theoretical Physics.

Classical and Quantum Simulations of Nuclear Dynamics - Sofia Quaglioni

Kavli Institute for Theoretical Physics
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#Computer Science #Quantum Computing #Quantum Simulation #Qubits #Quantum Gates #Science #Physics #Quantum Mechanics #Quantum States
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Intro