Radiative processes on a quantum computer

Radiative processes, where a photon/neutrino is emitted as a result of a collision or decay of a particle, play a central role in atomic, nuclear, and particle physics. Their rate is determined by certain off-diagonal matrix elements between different initial and final states. We propose a method to...

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Vydáno v:Physical review. C Ročník 111; číslo 3
Hlavní autoři: Bedaque, Paulo F., Khadka, Ratna, Rupak, Gautam, Yusf, Muhammad
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States American Physical Society (APS) 07.03.2025
Témata:
Few-body systems
Nuclear reactions
Nuclear structure & decays
Quantum algorithms & computation
Quantum simulation
ISSN:2469-9985, 2469-9993
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Popis
Shrnutí:Radiative processes, where a photon/neutrino is emitted as a result of a collision or decay of a particle, play a central role in atomic, nuclear, and particle physics. Their rate is determined by certain off-diagonal matrix elements between different initial and final states. We propose a method to compute them using quantum computers. It relies on a single extra qubit that, in a certain sense, represents the photon/neutrino. The generic formula relating this matrix element to the amplitude and frequency of oscillations of the extra qubit is derived for the near-resonance case. Furthermore, we demonstrate the feasibility of the method by using it in actual quantum computations and simulations of simple systems.
Bibliografie:USDOE
SC0021195; SC0021143; FG02-93ER40762; PHY-1913620; PHY-2209184
National Science Foundation (NSF)
ISSN:2469-9985
2469-9993
DOI:10.1103/PhysRevC.111.034604