Evidence for photoinduced sliding of the charge-order condensate in 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>La</mml:mi><mml:mrow><mml:mn>1.875</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>Ba</mml:mi><mml:mrow><mml:mn>0.125</mml:mn></mml:mrow></mml:msub><mml:msub><mml:mi>CuO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>

Mitrano, Matteo; Lee, Sangjun; Husain, Ali; Zhu, Minhui; Munoz, Gilberto de la Peña; Sun, Stella; Joe, Young Il; Reid, Alexander H.; Wandel, Scott F.; Coslovich, Giacomo; Schlotter, W. F.; Driel, Tim van; Schneeloch, John; Gu, Genda; Goldenfeld, Nigel; Abbamonte, Peter

doi:10.1103/physrevb.100.205125

Cited by 17 publications

(7 citation statements)

References 37 publications

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“…1C), followed by a ≈3-ps recovery. This dynamic behavior is similar to the well-known photoinduced melting in other charge-ordered systems ( 25 – 28 , 34 , 35 ). However, below T c (at 20 K) the pump yields the opposite effect, inducing an enhancement of the CDW peak signal with notably different dynamics (Fig.…”

supporting

confidence: 82%

Enhanced charge density wave coherence in a light-quenched, high-temperature superconductor

Wandel

Boschini

Neto

et al. 2022

Science

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Superconductivity and charge density waves (CDWs) are competitive, yet coexisting, orders in cuprate superconductors. To understand their microscopic interdependence, a probe capable of discerning their interaction on its natural length and time scale is necessary. We use ultrafast resonant soft x-ray scattering to track the transient evolution of CDW correlations in YBa 2 Cu 3 O 6+ x after the quench of superconductivity by an infrared laser pulse. We observe a nonthermal response of the CDW order characterized by a near doubling of the correlation length within ≈1 picosecond of the superconducting quench. Our results are consistent with a model in which the interaction between superconductivity and CDWs manifests inhomogeneously through disruption of spatial coherence, with superconductivity playing the dominant role in stabilizing CDW topological defects, such as discommensurations.

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supporting

confidence: 82%

Enhanced charge density wave coherence in a light-quenched, high-temperature superconductor

Wandel

Boschini

Neto

et al. 2022

Science

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“…2b-c). Unlike conventional charge density waves 55 , the CO is found to undergo a sudden light-induced sliding motion 53 and exhibit an exponential recovery dominated by yet unobserved diffusive fluctuations at the sub-meV scale 23 . By applying a similar approach to other copper oxides such as YBa 2 Cu 3 O 7−δ and 56 , we expect trRIXS to provide new insights about the broader dynamical relationship between charge order and superconductivity.…”

Section: A Unique Experimental Toolmentioning

confidence: 91%

“…To this end, a recent trRIXS experiment at the Cu L-edge investigated the light-induced charge order dynamics of the prototypical stripe-ordered cuprate La 2−x Ba x CuO 4 (see Fig. 2a) 23,53 . trRIXS spectra clearly show that 1.55-eV photons, which transiently enhance interlayer superconducting tunneling 49,54 , also deplete the quasielastic charge order peak at Q CO (see Fig.…”

Section: A Unique Experimental Toolmentioning

confidence: 99%

Probing light-driven quantum materials with ultrafast resonant inelastic X-ray scattering

Mitrano,

Wang

2020

Preprint

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Ultrafast optical pulses are an increasingly important tool for controlling quantum materials and triggering novel photo-induced phase transitions. Understanding these dynamic phenomena requires a probe sensitive to spin, charge, and orbital degrees of freedom. Time-resolved resonant inelastic X-ray scattering (trRIXS) is an emerging spectroscopic method, which responds to this need by providing unprecedented access to the finite-momentum fluctuation spectrum of photoexcited solids. In this Perspective, we briefly review state-of-the-art trRIXS experiments on condensed matter systems, as well as recent theoretical advances. We then describe future research opportunities in the context of light control of quantum matter.

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“…However, the interplay of the two orders can lead to unique nonlinear electromagnetic responses, and, in particular, the emergence of a giant third harmonic in the out-of-plane nonlinear terahertz reflectivity was suggested as evidence for superfluid stripes [3]. Motivated at exploring peculiar responses in the electrodynamics of cuprates, there has been a renewed effort in developing and applying nonlinear and pump-probe spectroscopies, and recent experimental progress has lead to the detection of inversion symmetry breaking via second-harmonic generation [4], observation of charge density wave sliding motion [5], and detection of terahertz emission in photoexcited striped superconductors [6]. This latter experiment in the doped striped cuprate superconductor La 2−x Ba x CuO 4 poses several puzzles that require careful theory examinations [6].…”

Section: Introductionmentioning

confidence: 99%

Optically-induced Umklapp shift currents in striped cuprates

Dolgirev¹,

Michael²,

Curtis³

et al. 2022

Preprint

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Evidence for photoinduced sliding of the charge-order condensate in La1.875Ba0.125CuO4

Cited by 17 publications

References 37 publications

Enhanced charge density wave coherence in a light-quenched, high-temperature superconductor

Enhanced charge density wave coherence in a light-quenched, high-temperature superconductor

Probing light-driven quantum materials with ultrafast resonant inelastic X-ray scattering

Optically-induced Umklapp shift currents in striped cuprates

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