Anomalous electronic energy relaxation and soft phonons in the Dirac semimetal
We have used a combination of linear response time-domain THz spectroscopy (TDTS) and
nonlinear THz pump-probe spectroscopy to separately probe the electronic momentum and …
nonlinear THz pump-probe spectroscopy to separately probe the electronic momentum and …
Probing Majorana wave functions in Kitaev honeycomb spin liquids with second-order two-dimensional spectroscopy
Two-dimensional coherent terahertz spectroscopy (2DCS) emerges as a valuable tool to
probe the nature, couplings, and lifetimes of excitations in quantum materials. It thus …
probe the nature, couplings, and lifetimes of excitations in quantum materials. It thus …
Inverse Faraday effect in superconductors with potential impurities
M Dzero - Physical Review B, 2024 - APS
I consider a nonlinear response of conventional superconductors contaminated with
nonmagnetic impurities or imperfections to a circular polarized light. I focus on dc …
nonmagnetic impurities or imperfections to a circular polarized light. I focus on dc …
Principles of two-dimensional terahertz spectroscopy of collective excitations: The case of Josephson plasmons in layered superconductors
Two-dimensional terahertz spectroscopy (2DTS), a terahertz analog of nuclear magnetic
resonance, is a new technique poised to address many open questions in complex …
resonance, is a new technique poised to address many open questions in complex …
Tracing the dynamics of superconducting order via transient terahertz third-harmonic generation
Ultrafast optical control of quantum systems is an emerging field of physics. In particular, the
possibility of light-driven superconductivity has attracted much of attention. To identify …
possibility of light-driven superconductivity has attracted much of attention. To identify …
Nonlinear ac Hall effect in two-dimensional superconductors
We propose a nonlinear ac Hall effect in two-dimensional BCS single-band
superconductors. Namely, a nonlinear ac transverse Hall current emerges in the …
superconductors. Namely, a nonlinear ac transverse Hall current emerges in the …
Theory of symmetry-resolved quench-drive spectroscopy: Nonlinear response of phase-fluctuating superconductors
M Puviani - Physical Review B, 2024 - APS
Recent experiments on cuprates have shown the possibility of opening a gap above the
superconducting critical temperature, in the so-called phase-fluctuating state, by enhancing …
superconducting critical temperature, in the so-called phase-fluctuating state, by enhancing …
Multidimensional Terahertz Probes of Quantum Materials
A Liu - arxiv preprint arxiv:2409.03719, 2024 - arxiv.org
Multidimensional spectroscopy has a long history originating from nuclear magnetic
resonance, and has now found widespread application at infrared and optical frequencies …
resonance, and has now found widespread application at infrared and optical frequencies …
Disentangling spin excitation continua in classical and quantum magnets using two-dimensional nonlinear spectroscopy
Inelastic neutron scattering (INS) has traditionally been one of the primary methods for
investigating quantum magnets, particularly in identifying a continuum of excitations as a …
investigating quantum magnets, particularly in identifying a continuum of excitations as a …
Role of Higgs and Leggett modes for the third harmonic response in noncentrosymmetric superconductors
S Klein, D Manske - Physical Review B, 2024 - APS
The amplitude and phase of the third harmonic response in superconductors provide
important insights into collective Higgs and Leggett modes, respectively, in the …
important insights into collective Higgs and Leggett modes, respectively, in the …