2008
DOI: 10.1088/0953-4075/41/13/135501
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Excitation transfer in two two-level systems coupled to an oscillator

Abstract: Abstract. We consider a generalization of the spin-boson model in which two different two-level systems are coupled to an oscillator, under conditions where the oscillator energy is much less than the two-level system energies, and where the oscillator is highly excited. We find that the two-level system transition energy is

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Cited by 4 publications
(7 citation statements)
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“…For the first method, we consider the time-independent degenerate perturbation theory applied to N-dimensional infinite cubical well that is perturbed with some perturbation, H 0 . The reason behind the selection of degenerate perturbation theory lies on its wide recent applications in various settings: In studying degeneracy breaking due to short-ranged impurities in atomically doped carbon nanotubes (Bondarev and Lambin, 2005;McCann and Fal'ko, 2005), in investigating the effects of magnetic anisotropy in magnetic molecules (Kostantinidis and Coffey, 2002;Meng and Wessel, 2008;Bialynicki and Sowinski,2007;Bergman et al, 2007), in discussing quantum systems coupled to oscillators (Muthukumar and Mitra, 2002;Hagelstein et al, 2008), in dealing with manybody interacting systems (Stauber et al, 2000;Morawetz, 2002), in studying degenerate atomic systems (Vilain et al, 2001), and in calculating relativistic corrections for low-lying excited states when a hydrogen atom is placed in a strong magnetic field (Poszwa and Rutkowski, 2004). For the second method we choose the sudden approximation and apply it to b-decay of tritium atom.…”
Section: Introductionmentioning
confidence: 99%
“…For the first method, we consider the time-independent degenerate perturbation theory applied to N-dimensional infinite cubical well that is perturbed with some perturbation, H 0 . The reason behind the selection of degenerate perturbation theory lies on its wide recent applications in various settings: In studying degeneracy breaking due to short-ranged impurities in atomically doped carbon nanotubes (Bondarev and Lambin, 2005;McCann and Fal'ko, 2005), in investigating the effects of magnetic anisotropy in magnetic molecules (Kostantinidis and Coffey, 2002;Meng and Wessel, 2008;Bialynicki and Sowinski,2007;Bergman et al, 2007), in discussing quantum systems coupled to oscillators (Muthukumar and Mitra, 2002;Hagelstein et al, 2008), in dealing with manybody interacting systems (Stauber et al, 2000;Morawetz, 2002), in studying degenerate atomic systems (Vilain et al, 2001), and in calculating relativistic corrections for low-lying excited states when a hydrogen atom is placed in a strong magnetic field (Poszwa and Rutkowski, 2004). For the second method we choose the sudden approximation and apply it to b-decay of tritium atom.…”
Section: Introductionmentioning
confidence: 99%
“…En particular, el problema de reconstrucción de espín en mediciones cuánticas de no-demolición (Shaffman et al, 2009;Teper et al, 2008;Oblak, 2005) está estrechamente relacionado con la compresión de la incerteza de espín (Hagelstein and Chaudhary, 2008;Nielsen and Mølmer, 2008;Echanis and et al, 2005;Korbicz et al, 2006).…”
Section: Relaciones De Incerteza Y Orientación Del Espín En Sistemas unclassified
“…Los resultados de (Hagelstein and Chaudhary, 2008) son muy interesantes, ya que los autores muestran que la inclusión de disipación incrementa la fracción de energía que se transfiere. Este efecto reportado es independiente del modelo utilizado para dar cuenta de la disipación, y esto abre la posibilidad de varias aplicaciones, la más destacada es la de fusión entre iones livianos (Hagelstein et al, 2006).…”
Section: Introductionunclassified
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