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Non-Markovian dephasing of molecules in solution measured with three-pulse femtosecond photon echoes
The electronic dephasing of large molecules in solution is investigated with three-pulse photon echoes generated by 6-fs optical pulses. The observed dephasing behavior, which is analyzed with a model based on a stochastic coupling of the molecules with their heat bath, is clearly shown to be non-Ma...
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Published in: | Physical review letters 1991-03, Vol.66 (9), p.1138-1141 |
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container_title | Physical review letters |
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creator | BIGOT, J.-Y PORTELLA, M. T SCHOENLEIN, R. W BARDEEN, C. J MIGUS, A SHANK, C. V |
description | The electronic dephasing of large molecules in solution is investigated with three-pulse photon echoes generated by 6-fs optical pulses. The observed dephasing behavior, which is analyzed with a model based on a stochastic coupling of the molecules with their heat bath, is clearly shown to be non-Markovian. Moreover, the correlation function of the fluctuations asymptotically approaches an exponential with characteristic times varying from 20 to 80 fs, depending on the solvent environment. |
doi_str_mv | 10.1103/PhysRevLett.66.1138 |
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V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Non-Markovian dephasing of molecules in solution measured with three-pulse femtosecond photon echoes</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>1991-03-04</date><risdate>1991</risdate><volume>66</volume><issue>9</issue><spage>1138</spage><epage>1141</epage><pages>1138-1141</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>The electronic dephasing of large molecules in solution is investigated with three-pulse photon echoes generated by 6-fs optical pulses. The observed dephasing behavior, which is analyzed with a model based on a stochastic coupling of the molecules with their heat bath, is clearly shown to be non-Markovian. Moreover, the correlation function of the fluctuations asymptotically approaches an exponential with characteristic times varying from 20 to 80 fs, depending on the solvent environment.</abstract><cop>Ridge, NY</cop><pub>American Physical Society</pub><pmid>10044005</pmid><doi>10.1103/PhysRevLett.66.1138</doi><tpages>4</tpages></addata></record> |
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subjects | 640302 - Atomic, Molecular & Chemical Physics- Atomic & Molecular Properties & Theory ATOMIC AND MOLECULAR PHYSICS CORRELATION FUNCTIONS COUPLING DATA DISPERSIONS Exact sciences and technology EXPERIMENTAL DATA FLUCTUATIONS FUNCTIONS Fundamental areas of phenomenology (including applications) HEAT SINKS INFORMATION MIXTURES MOLECULES NUMERICAL DATA Optics Physics PULSES QUANTUM ELECTRONICS Quantum optics SINKS SOLUTIONS SOLVENTS STOCHASTIC PROCESSES THEORETICAL DATA TIME DEPENDENCE VARIATIONS |
title | Non-Markovian dephasing of molecules in solution measured with three-pulse femtosecond photon echoes |
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