Andrea Cavalleri: Publications

Photoinduced melting of the orbital order in La_0.5Sr_1.5MnO₄ measured with 4-fs laser pulses

PHYSICAL REVIEW B 88:7 (2013) ARTN 075107

Authors:

R Singla, A Simoncig, M Foerst, D Prabhakaran, AL Cavalieri, A Cavalleri

Possible observation of parametrically amplified coherent phasons in K_0.3MoO₃ using time-resolved extreme-ultraviolet angle-resolved photoemission spectroscopy

PHYSICAL REVIEW B 88:4 (2013) ARTN 045104

Authors:

HY Liu, I Gierz, JC Petersen, S Kaiser, A Simoncig, AL Cavalieri, C Cacho, ICE Turcu, E Springate, F Frassetto, L Poletto, SS Dhesi, Z-A Xu, T Cuk, R Merlin, A Cavalleri

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Controlling superconductivity with strong terahertz fields

2012 Conference on Lasers and Electro-Optics, CLEO 2012 (2012)

Authors:

MC Hoffmann, A Dienst, D Fausti, S Kaiser, A Cavalleri

Abstract:

Ultrafast mid-infrared and terahertz pulses open a new avenue to control complex solids by directly accessing their low-energy excitations. Here we discuss recent results in inducing and manipulating superconductivity in cuprate compounds using strong fields. © 2012 OSA.

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Ultrafast Tr-ARPES with artemis XUV beamline

Optics InfoBase Conference Papers (2012)

Authors:

CM Cacho, ICE Turcu, CA Froud, WA Bryan, GRAJ Nemeth, JC Petersen, N Dean, A Cavalleri, S Kaiser, A Simoncig, HY Liu, AL Cavalieri, S Dhesi, L Poletto, P Villoresi, F Frassetto, E Springate

Evolution of three-dimensional correlations during the photoinduced melting of antiferromagnetic order in La 0.5Sr 1.5MnO 4

Physical Review B - Condensed Matter and Materials Physics 86:6 (2012)

Authors:

RI Tobey, S Wall, M Först, H Bromberger, V Khanna, JJ Turner, W Schlotter, M Trigo, O Krupin, WS Lee, YD Chuang, R Moore, AL Cavalieri, SB Wilkins, H Zheng, JF Mitchell, SS Dhesi, A Cavalleri, JP Hill

Abstract:

Using time-resolved resonant soft x-ray diffraction, we measure the evolution of the full three-dimensional scattering volume of the antiferromagnetic superlattice reflection in the single-layer manganite La 0.5Sr 1.5MnO 4on femtosecond time scales following photoexcitation. We find that the in-plane correlations are unchanged as a metastable state is entered, however there are subtle changes in the c-axis correlations. We observe a transient shift of the scattering ellipsoid along (00L) at very short times, and at longer time scales the short-range c-axis correlations are more robust than they are in equilibrium. Such results are not obtainable with any other techniques and hint at previously unresolved processes in the dynamics of photomelting in strongly correlated systems. © 2012 American Physical Society.

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Andrea Cavalleri

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Photoinduced melting of the orbital order in La_0.5Sr_1.5MnO₄ measured with 4-fs laser pulses

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Possible observation of parametrically amplified coherent phasons in K_0.3MoO₃ using time-resolved extreme-ultraviolet angle-resolved photoemission spectroscopy

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Controlling superconductivity with strong terahertz fields

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Abstract:

Ultrafast Tr-ARPES with artemis XUV beamline

Authors:

Evolution of three-dimensional correlations during the photoinduced melting of antiferromagnetic order in La 0.5Sr 1.5MnO 4

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Andrea Cavalleri

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Photoinduced melting of the orbital order in La0.5Sr1.5MnO4 measured with 4-fs laser pulses

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Possible observation of parametrically amplified coherent phasons in K0.3MoO3 using time-resolved extreme-ultraviolet angle-resolved photoemission spectroscopy

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Controlling superconductivity with strong terahertz fields

Authors:

Abstract:

Ultrafast Tr-ARPES with artemis XUV beamline

Authors:

Evolution of three-dimensional correlations during the photoinduced melting of antiferromagnetic order in La 0.5Sr 1.5MnO 4

Authors:

Abstract:

Photoinduced melting of the orbital order in La_0.5Sr_1.5MnO₄ measured with 4-fs laser pulses

Possible observation of parametrically amplified coherent phasons in K_0.3MoO₃ using time-resolved extreme-ultraviolet angle-resolved photoemission spectroscopy