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Respuesta a Comentario sobre "Ingeniería de la coherencia entre los estados excitados en sistemas de heterodimeros

Dugan Hayes¹, Graham B Griffin¹, Gregory S Engel²

¹Department of Chemistry, Institute for Biophysical Dynamics, and James Franck Institute, University of Chicago, Chicago, IL 60637, USA.

Science (New York, N.Y.)

|June 7, 2014

Resumen

Este estudio reafirma que las señales de latido cuántico en los heterodímeros de fluoresceína se deben a coherencias electrónicas. Los nuevos espectros de resonancia de Raman y el análisis estadístico apoyan esta asignación contra interpretaciones alternativas.

Área de la Ciencia:

Química Física es la química física.
La espectroscopia es una técnica de espectroscopia.
La mecánica cuántica es la mecánica cuántica.

Sus antecedentes:

La espectroscopia electrónica bidimensional (2DES) revela señales de latido cuántico en los heterodímeros de fluoresceína.
La asignación de estas señales a las coherencias electrónicas ha sido cuestionada.

Objetivo del estudio:

Proporcionar pruebas adicionales que apoyen la asignación de señales de latido cuántico a coherencias electrónicas.
Para abordar la impugnación de Halpin, Johnson y Miller con respecto a la interpretación de los datos de 2DES.

Principales métodos:

Adquisición y análisis de espectros de resonancia Raman.
Análisis estadístico de múltiples conjuntos de datos experimentales.
Análisis comparativo entre los heterodímeros y homodímeros de la fluoresceína.

Principales resultados:

Los espectros de resonancia Raman proporcionan información complementaria al 2DES.
El análisis estadístico confirma la solidez de las señales observadas.
Las diferencias en la estructura molecular explican las discrepancias con los datos de homodímero del comentarista.

Conclusiones:

La evidencia presentada apoya fuertemente la asignación de señales de latido cuántico en heterodímeros de fluoresceína a coherencias electrónicas.
Los hallazgos concilian diferentes interpretaciones de los datos espectroscópicos en sistemas moleculares relacionados.

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