000307321 001__ 307321 000307321 005__ 20211110134844.0 000307321 0247_ $$2doi$$a10.1103/PhysRevLett.112.117801 000307321 0247_ $$2ISSN$$a0031-9007 000307321 0247_ $$2ISSN$$a1079-7114 000307321 0247_ $$2WOS$$aWOS:000332925900038 000307321 0247_ $$2pmid$$apmid:24702420 000307321 0247_ $$2altmetric$$aaltmetric:1682765 000307321 037__ $$aPUBDB-2016-03175 000307321 041__ $$aEnglish 000307321 082__ $$a550 000307321 1001_ $$0P:(DE-H253)PIP1013512$$aMitrano, M.$$b0$$eCorresponding author 000307321 245__ $$aPressure-Dependent Relaxation in the Photoexcited Mott Insulator $\mathrm{ET–F_2TCNQ}$: Influence of Hopping and Correlations on Quasiparticle Recombination Rates 000307321 260__ $$aCollege Park, Md.$$bAPS$$c2014 000307321 3367_ $$2DRIVER$$aarticle 000307321 3367_ $$2DataCite$$aOutput Types/Journal article 000307321 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1519719737_27255 000307321 3367_ $$2BibTeX$$aARTICLE 000307321 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000307321 3367_ $$00$$2EndNote$$aJournal Article 000307321 520__ $$aWe measure the ultrafast recombination of photoexcited quasiparticles (holon-doublon pairs) in the one dimensional Mott insulator ET–F$_2$TCNQ as a function of external pressure, which is used to tune the electronic structure. At each pressure value, we first fit the static optical properties and extract the electronic bandwidth t and the intersite correlation energy V. We then measure the recombination times as a function of pressure, and we correlate them with the corresponding microscopic parameters. We find that the recombination times scale differently than for metals and semiconductors. A fit to our data based on the time-dependent extended Hubbard Hamiltonian suggests that the competition between local recombination and delocalization of the Mott-Hubbard exciton dictates the efficiency of the recombination. 000307321 536__ $$0G:(DE-HGF)POF3-899$$a899 - ohne Topic (POF3-899)$$cPOF3-899$$fPOF III$$x0 000307321 536__ $$0G:(EU-Grant)319286$$aQ-MAC - Frontiers in Quantum Materials Control (319286)$$c319286$$fERC-2012-SyG$$x1 000307321 588__ $$aDataset connected to CrossRef 000307321 693__ $$0EXP:(DE-MLZ)NOSPEC-20140101$$5EXP:(DE-MLZ)NOSPEC-20140101$$eNo specific instrument$$x0 000307321 7001_ $$0P:(DE-H253)PIP1012176$$aCotugno, G.$$b1 000307321 7001_ $$0P:(DE-HGF)0$$aClark, S. 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