Perturbative methods for assisted nonperturbative pair production
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DOI: 10.1103/physrevd.99.096002
Abstract: In the dynamically assisted Schwinger mechanism, the pair production probability is significantly enhanced by including a weak, rapidly varying field in addition to a strong, slowly varying field. In a previous paper we showed that… read more here.
Keywords: pair production; production; perturbative methods; assisted nonperturbative ... See more keywords
Finite Time Path Field Theory Perturbative Methods for Local Quantum Spin Chain Quenches
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DOI: 10.3390/universe10100384
Abstract: We discuss local magnetic field quenches using perturbative methods of finite time path field theory (FTPFT) in the following spin chains: Ising and XY in a transverse magnetic field. Their common characteristics are: (i) they… read more here.
Keywords: field; perturbative methods; finite time; time path ... See more keywords