title: Real-time manifestation of strongly coupled spin and charge order parameters in stripe-ordered La(1.75)Sr(0.25)NiO(4) nickelate crystals using time-resolved resonant x-ray diffraction.
abstract: We investigate the order parameter dynamics of the stripe-ordered nickelate, La(1.75)Sr(0.25)NiO(4), using time-resolved resonant x-ray diffraction. In spite of distinct spin and charge energy scales, the two order parameters' amplitude dynamics are found to be linked together due to strong coupling. Additionally, the vector nature of the spin sector introduces a longer reorientation time scale which is absent in the charge sector. These findings demonstrate that the correlation linking the symmetry-broken states does not unbind during the nonequilibrium process, and the time scales are not necessarily associated with the characteristic energy scales of individual degrees of freedom.
authors.affiliation: Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: Y D
authors.initials: YD
authors.lastname: Chuang
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA.
authors.forename: W S
authors.initials: WS
authors.lastname: Lee
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA.
authors.forename: Y F
authors.initials: YF
authors.lastname: Kung
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA and Physics Division, Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
authors.forename: A P
authors.initials: AP
authors.lastname: Sorini
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA and Department of Physics and Astrophysics, University of North Dakota, Grand Forks, North Dakota 58202, USA and Department of Physics, Northern Illinois University, DeKalb, Illinois 60115, USA.
authors.forename: B
authors.initials: B
authors.lastname: Moritz
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA.
authors.forename: R G
authors.initials: RG
authors.lastname: Moore
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA and Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland.
authors.forename: L
authors.initials: L
authors.lastname: Patthey
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA and SLAC National Accelerator Laboratory, Stanford PULSE Institute, Menlo Park, California 94025, USA.
authors.forename: M
authors.initials: M
authors.lastname: Trigo
authors.affiliation: Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA.
authors.forename: D H
authors.initials: DH
authors.lastname: Lu
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA.
authors.forename: P S
authors.initials: PS
authors.lastname: Kirchmann
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA.
authors.forename: M
authors.initials: M
authors.lastname: Yi
authors.affiliation: European XFEL GmbH, 22607 Hamburg, Germany and Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94720, USA.
authors.forename: O
authors.initials: O
authors.lastname: Krupin
authors.affiliation: Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: M
authors.initials: M
authors.lastname: Langner
authors.affiliation: Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: Y
authors.initials: Y
authors.lastname: Zhu
authors.affiliation: Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: S Y
authors.initials: SY
authors.lastname: Zhou
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA and SLAC National Accelerator Laboratory, Stanford PULSE Institute, Menlo Park, California 94025, USA.
authors.forename: D A
authors.initials: DA
authors.lastname: Reis
authors.affiliation: Max-Planck Department for Structural Dynamics, Center for Free Electron Laser Science, University of Hamburg, 22761 Hamburg, Germany.
authors.forename: N
authors.initials: N
authors.lastname: Huse
authors.affiliation: Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94720, USA.
authors.forename: J S
authors.initials: JS
authors.lastname: Robinson
authors.affiliation: Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: R A
authors.initials: RA
authors.lastname: Kaindl
authors.affiliation: Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: R W
authors.initials: RW
authors.lastname: Schoenlein
authors.affiliation: Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen-PSI, Switzerland.
authors.forename: S L
authors.initials: SL
authors.lastname: Johnson
authors.affiliation: Max-Planck Department for Structural Dynamics, Center for Free Electron Laser Science, University of Hamburg, 22761 Hamburg, Germany.
authors.forename: M
authors.initials: M
authors.lastname: Först
authors.affiliation: Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: D
authors.initials: D
authors.lastname: Doering
authors.affiliation: Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: P
authors.initials: P
authors.lastname: Denes
authors.affiliation: Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94720, USA.
authors.forename: W F
authors.initials: WF
authors.lastname: Schlotter
authors.affiliation: Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94720, USA.
authors.forename: J J
authors.initials: JJ
authors.lastname: Turner
authors.affiliation: Materials and Structures Laboratory, Tokyo Institute of Technology, Kanagawa 226-8503, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Sasagawa
authors.affiliation: Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
authors.forename: Z
authors.initials: Z
authors.lastname: Hussain
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA.
authors.forename: Z X
authors.initials: ZX
authors.lastname: Shen
authors.affiliation: SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences, Menlo Park, California 94025, USA.
authors.forename: T P
authors.initials: TP
authors.lastname: Devereaux