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Particle creation using the classical stochastic method

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arxiv 2406.04125 v3 pith:JOD6CAGJ submitted 2024-06-06 hep-th hep-latquant-ph

Particle creation using the classical stochastic method

classification hep-th hep-latquant-ph
keywords methodcomputecreationparticlequantumtimeclassicalstate
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We compute the particle creation of a harmonic oscillator using the classical stochastic method. This recently constructed method reproduces all the vacuum expectation values in quantum theory. We prepare the vacuum state at the initial time and evolve it over time using Langevin equations of motion. By averaging over the ensemble, we compute the energy of the state at the final time and determine the amount of particles created. We verify that the particle creation agrees with predictions from quantum theory and thus give an evidence that this method can really compute the quantum dynamics.

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