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16 papers · 1 filter
Coherent Phase Control in Closed and Open Quantum Systems: A General Master Equation Approach
Leonardo A. Pachon, Li Yu, Paul Brumer
The underlying mechanisms for one photon phase control are revealed through a master equation approach. Specifically, two mechanisms are identified, one operating on the laser time…
LSP sneutrino decays into heavy standard model pairs
D. Aristizabal Sierra, D. Restrepo, S. Spinner
In bilinear R-parity violation (BRpV), in which the superpotential includes a bilinear term between the lepton doublet and the up-type Higgs superfields, a sneutrino LSP can decay…
Incoherent Excitation of Thermally Equilibrated Open Quantum Systems
Leonardo A. Pachon, Paul Brumer
Under natural conditions, excitation of biological molecules, which display non-unitary open system dynamics, occurs via incoherent processes such as temperature changes or irradia…
Time-resolved resonant photoionization of He using a time-dependent Feshbach method with ultrashort laser pulses
C. M. Granados-Castro, J. L. Sanz-Vicario
We study the photoionization and autoionization of Helium atom subject to ultrashort laser pulses by using a Feshbach formalism in the time domain. We solve the time-dependent Schr…
Apparent versus true value of the cosmological constant
Antonio Enea Romano, Pisin chen
Supernovae observations strongly support the presence of a cosmological constant, but its value, which we will call apparent, is normally determined assuming that the universe can…
The Role of a Polariton Bath in the Emission Spectrum of an Open Nanocavity-Quantum Dot System
Nicolás Moure, Herbert Vinck-Posada, Boris A. Rodríguez
We investigate the effect of a polariton bath on the photoluminescence (PL) spectrum of the elementary excitations for a confined nanocavity-quantum dot (nC-QD) system. We modeled…