Pressure tuning of light-induced superconductivity in K3C60

Abstract

Optical excitation at terahertz frequencies has emerged as an effective means to manipulate complex solids dynamically. In the molecular solid K3C60, coherent excitation of intramolecular vibrations was shown to transform the high temperature metal into a non-equilibrium state with the optical conductivity of a superconductor. Here we tune this effect with hydrostatic pressure, and we find it to disappear around 0.3 GPa. Reduction with pressure underscores the similarity with the equilibrium superconducting phase of K3C60, in which a larger electronic bandwidth is detrimental for pairing. Crucially, our observation excludes alternative interpretations based on a high-mobility metallic phase. The pressure dependence also suggests that transient, incipient superconductivity occurs far above the 150 K hypothesised previously, and rather extends all the way to room temperature.

arXiv comment33 pages, 17 figures, 2 tables

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Cited by in corpus (50)

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• Photoinduced $\eta$ Pairing in the Hubbard Model
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• Dynamical order and superconductivity in a frustrated many-body system
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• Dynamic Superconductivity Responses in Photo-excited Optical Conductivity and Nernst Effect
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• Analytical Solution for the Steady States of the Driven Hubbard model
• Optical response of laser-driven charge-transfer complex described by Holstein-Hubbard model coupled to heat baths: Hierarchical equations of motion approach
• Dynamical preparation of a steady ODLRO state in the Hubbard model with local non-Hermitian impurity
• Nonlinear Response of Diffusive Superconductors to $ac$-electromagnetic Fields
• Photoinduced electron-electron pairing in the extended Falicov-Kimball model
• Photoinduced $\eta$ pairing in the Kondo lattice model
• Two-dimensional anisotropic non-Hermitian Lieb lattice
• Cavity engineering of Hubbard $U$ via phonon polaritons
• Superconductivity and charge density wave under a time-dependent periodic field in the one-dimensional attractive Hubbard model
• Electronic Structure and Kohn-Luttinger Superconductivity of Heavily-Doped Single-Layer Graphene
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• Floquet engineering of many-body states by the ponderomotive potential
• Reinforcing increase of ΔTC in MgB2 smart meta-superconductors by adjusting the concentration of inhomogeneous phases
• Dynamical control of the conductivity of an atomic Josephson junction
• Steady off-diagonal long-range order state in a half-filled dimerized Hubbard chain induced by a resonant pulsed field
• Jahn-Teller effect in cubic fullerides A${}_3$C${}_{60}$
• Manifestation of vibronic dynamics in infrared spectra of Mott insulating fullerides
• Spin-orbital model for fullerides
• Hybrid CO${}_2$-Ti:sapphire laser with tunable pulse duration for mid-infrared-pump terahertz-probe spectroscopy
• Nature of superconducting fluctuation in photo-excited systems
• Dynamical Jahn-Teller effect in the first excited C${}_{60}^{-}$
• Interlayer Dzyaloshinskii-Moriya interactions induced via non-linear phononics in bilayer van der Waals materials
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• Dynamical Approach to Realize Room-Temperature Superconductivity in LaH${}_{10}$
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• Transient ordering in the Gross-Pitaevskii lattice subject to an energy quench within the disordered phase
• Properties and challenges of hot-phonon physics in metals: MgB${}_2$ and other compounds
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