# Efficient prediction of time- and angle-resolved photoemission spectroscopy measurements on a nonequilibrium BCS superconductor

@article{Xu2019EfficientPO, title={Efficient prediction of time- and angle-resolved photoemission spectroscopy measurements on a nonequilibrium BCS superconductor}, author={Tianrui Xu and Takahiro Morimoto and Alessandra Lanzara and Joel E. Moore}, journal={Physical Review B}, year={2019} }

Author(s): Xu, T; Morimoto, T; Lanzara, A; Moore, JE | Abstract: © 2019 American Physical Society. We study how time- and angle-resolved photoemission (tr-ARPES) reveals the dynamics of BCS-type, s-wave superconducting systems with time-varying order parameters. Approximate methods are discussed, based on previous approaches to either optical conductivity or quantum dot transport, to enable computationally efficient prediction of photoemission spectra. One use of such predictions is to enable…

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## References

SHOWING 1-10 OF 62 REFERENCES

### Angle-resolved photoemission studies of the cuprate superconductors

- Physics
- 2003

The last decade witnessed significant progress in angle-resolved photoemission spectroscopy (ARPES) and its applications. Today, ARPES experiments with 2-meV energy resolution and…

### Theory of ultrafast nonequilibrium dynamics in d -wave superconductors

- Physics
- 2008

We use density-matrix theory to calculate the ultrafast dynamics of unconventional superconductors from a microscopic viewpoint. We calculate the time evolution of the optical conductivity as well as…

### Tracking Cooper Pairs in a Cuprate Superconductor by Ultrafast Angle-Resolved Photoemission

- PhysicsScience
- 2012

Time-resolved ARPES results demonstrate a new window into the dynamical processes that govern quasiparticle recombination and gap formation in cuprates, and reveal marked dependencies on both excitation density and crystal momentum.

### Influence of optically quenched superconductivity on quasiparticle relaxation rates in Bi 2 Sr 2 CaCu 2 O 8 + δ

- Physics
- 2015

We use time- and angle-resolved photoemission to measure quasiparticle relaxation dynamics across a laser-induced superconducting phase transition in Bi2Sr2CaCu2O8+delta. Whereas low-fluence…

### Terahertz time-domain spectroscopy of transient metallic and superconducting states

- Physics
- 2015

Time-resolved terahertz time-domain spectroscopy (THz-TDS) is an ideal tool for probing photoinduced nonequilibrium metallic and superconducting states. Here, we focus on the interpretation of the…

### Theory of parametrically amplified electron-phonon superconductivity

- Physics
- 2017

Ultrafast optical manipulation of ordered phases in strongly correlated materials is a topic of significant theoretical, experimental, and technological interest. Inspired by a recent experiment on…

### Inequivalence of Single-Particle and Population Lifetimes in a Cuprate Superconductor.

- PhysicsPhysical review letters
- 2015

The qualitative disparity in the data, even in this limit, suggests that scattering channels beyond electron-phonon interactions play a significant role in the electron dynamics of cuprate superconductors.

### Selective scattering between Floquet–Bloch and Volkov states in a topological insulator

- Physics
- 2016

Time- and angle-resolved photoelectron spectroscopy experiments are used to monitor the transition between Floquet–Bloch and Volkov states in the topological insulator Bi2Se3. The coherent optical…

### Twisting Anderson pseudospins with light: Quench dynamics in terahertz-pumped BCS superconductors

- Physics
- 2017

We study the preparation (pump) and the detection (probe) of far-from-equilibrium BCS superconductor dynamics in THz pump-probe experiments. In a recent experiment [R. Matsunaga, Y. I. Hamada, K.…

### Theory of light-enhanced phonon-mediated superconductivity

- Physics
- 2016

We investigate the dynamics of a phonon-mediated superconductor driven out of equilibrium. The electronic hopping amplitude is ramped down in time, resulting in an increased electronic density of…