Nonequilibrium superconductivity in driven alkali-doped fullerides
Giacomo Mazza, Antoine Georges
DOI 10.1103/PhysRevB.96.064515 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
We investigate the formation of nonequilibrium superconducting states in driven alkali-doped fullerides A3C60. Within a minimal three-orbital model for the superconductivity of these materials, it was recently demonstrated theoretically that an orbital-dependent imbalance of the interactions leads to an enhancement of superconductivity at equilibrium [M. Kim et al., Phys. Rev. B 94, 155152 (2016)]. We investigate the dynamical response to a time-periodic modulation of this interaction imbalance and show that it leads to the formation of a transient superconducting state which survives much beyond the equilibrium critical temperature Tc. For a specific range of frequencies, we find that the driving reduces superconductivity when applied to a superconducting state below Tc while still inducing a superconducting state when the initial temperature is larger than Tc. These findings reinforce the relevance of the interaction-imbalance mechanism as a possible explanation of the recent experimental observation of light-induced superconductivity in alkali-doped fullerenes.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| K3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 42 | Pressure not reported | unknown |
Similar papers
Electron-phonon coupling strength and implications for superconductivity in alkali-metal-doped fullerenes
similarity 0.94R. A. Jishi & M. S. Dresselhaus
Source status unknown — claims are unverified
Nonempirical study of superconductivity in alkali-doped fullerides based on density functional theory for superconductors
similarity 0.93Ryosuke Akashi & Ryotaro Arita
Source status unknown — claims are unverified
Instability of the Pa3¯ fulleride Cs3C60 at ambient pressure and superconducting state of the fcc phase
similarity 0.93Changming Yue et al.
Source status unknown — claims are unverified
High-resolution thermal expansion of superconducting fullerides A3C60(A=K,Rb)
similarity 0.92G. J. Burkhart & C. Meingast
Source status unknown — claims are unverified
Enhancing superconductivity in A3C60 fullerides
similarity 0.92Minjae Kim et al.
Source status unknown — claims are unverified
Superconductivity in K3Ba3C60
similarity 0.92Y. Iwasa et al.
Source status unknown — claims are unverified