Optical-Pump Mid-Infrared Probe Study of Quasiparticle Dynamics in (La,Pr,Ca)MnO3

2:30 PM–5:30 PM, Wednesday, March 23, 2005
LACC Room: 501A

Sponsoring Units: DMP DCMP
Chair: Zenji Hiroi, University of Tokyo

Abstract ID: BAPS.2005.MAR.S25.4

Abstract: S25.00004 : Optical-Pump Mid-Infrared Probe Study of Quasiparticle Dynamics in (La,Pr,Ca)MnO3

3:06 PM–3:18 PM

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Authors:

Hae Ja Lee
(Los Alamos National Laboratory)

R.P. Prasankumar
R.D. Averitt
D.J. Funk
A.J. Taylor
(Los Alamos National Laboratory)

S.-W. Cheong
(Rutgers University)

We have investigated the temperature dependence of the quasiparticle dynamics in single crystal (La,Pr,Ca)MnO3 (LPCMO) using ultrafast optical spectroscopy. As a function of temperature, distinct changes in the dynamics occur upon crossing through the charge ordering and ferromagnetic transition temperatures. We will discuss the origin of the quasiparticle dynamics in light of the phase separation into submicrometer-sized mixtures of ferromagnetic metallic and charge-ordered insulating domains that occur in LPCMO.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2005.MAR.S25.4

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Bulletin of the American Physical Society

2005 APS March Meeting

Monday–Friday, March 21–25, 2005; Los Angeles, CA

Session S25: Strongly Correlated Oxides, Superlattices and Synthesis

Abstract: S25.00004 : Optical-Pump Mid-Infrared Probe Study of Quasiparticle Dynamics in (La,Pr,Ca)MnO3

Authors:

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