149 citations · 2.1k across the 76 of their papers we have counts for
62 papers · 1 filter
Direct observation of the Higgs particle in a superconductor by non-equilibrium Raman scattering
Tomke E. Glier, Sida Tian, Mika Rerrer +12
Even before its role in electroweak symmetry breaking, the Anderson-Higgs mechanism was introduced to explain the Meissner effect in superconductors. Spontaneous symmetry-breaking…
Classification of Lifshitz invariant in multiband superconductors: an application to Leggett modes in the linear response regime in Kagome lattice models
Raigo Nagashima, Sida Tian, Rafael Haenel +2
Multiband superconductors are sources of rich physics arising from multiple order parameters, which show unique collective dynamics including Leggett mode as relative phase oscilla…
Tracing the dynamics of superconducting order via transient third harmonic generation
Min-Jae Kim, Sergey Kovalev, Mattia Udina +13
Ultrafast optical control of quantum systems is an emerging field of physics. In particular, the possibility of light-driven superconductivity with ultrashort laser pulses has attr…
Quench-drive spectroscopy of cuprates
Matteo Puviani, Dirk Manske
Cuprates are d-wave superconductors which exhibit a rich phase diagram: they are characterized by superconducting fluctuations even above the critical temperature, and thermal diso…
Quench-drive spectroscopy and high-harmonic generation in BCS superconductors
Matteo Puviani, Rafael Haenel, Dirk Manske
In pump-probe spectroscopies, THz pulses are used to quench a system, which is subsequently probed by either a THz or optical pulse. In contrast, third-harmonic generation experime…
Fano interference of the Higgs mode in cuprate high-Tc superconductors
Hao Chu, Sergey Kovalev, Zi Xiao Wang +31
Despite decades of search for the pairing boson in cuprate high-Tc superconductors, its identity still remains debated to date. For this reason, spectroscopic signatures of electro…
Phase signatures in third-harmonic response of Higgs and coexisting modes in superconductors
Lukas Schwarz, Rafael Haenel, Dirk Manske
Third-harmonic generation (THG) experiments on superconductors can be used to investigate collective excitations like the amplitude mode of the order parameter known as Higgs mode.…
Fingerprints of possible even-parity superconducting states in SrRuO detected by planar tunneling spectroscopy
Satoshi Ikegaya, Shu-Ichiro Suzuki, Yukio Tanaka +1
After more than 25 years of research, three even-parity superconducting states -- the -wave, -wave, and -wave states -- have emerged as leading candidates for the…
Time-resolved optical conductivity and Higgs oscillations in two-band dirty superconductors
Rafael Haenel, Paul Froese, Dirk Manske +1
Recent studies have emphasized the importance of impurity scattering for the optical Higgs response of superconductors. In the dirty limit, an additional paramagnetic coupling of l…
Inverse Proximity Effects at Spin-Triplet Superconductor-Ferromagnet Interface
O. Maistrenko, C. Autieri, G. Livanas +5
We investigate inverse proximity effects in a spin-triplet superconductor (TSC) interfaced with a ferromagnet (FM), assuming different types of magnetic profiles and chiral or heli…
Calculation of an enhanced A1g symmetry mode induced by Higgs oscillations in the Raman spectrum of high-temperature cuprate superconductors
M. Puviani, A. Baum, S. Ono +3
In superconductors the Anderson-Higgs mechanism allows for the existence of a collective amplitude (Higgs) mode which can couple to eV-light mainly in a non-linear Raman-like proce…
Tunable Majorana corner modes in noncentrosymmetric superconductors: Tunneling spectroscopy and edge imperfections
S. Ikegaya, W. B. Rui, D. Manske +1
Majorana corner modes appearing in two-dimensional second-order topological superconductors have great potential applications for fault-tolerant topological quantum computations. W…
Anomalous Proximity Effect of Planer Topological Josephson Junctions
Satoshi Ikegaya, Shun Tamura, Dirk Manske +1
The anomalous proximity effect in dirty superconducting junctions is one of most striking phenomena highlighting the profound nature of Majorana bound states and odd-frequency Coop…
Planar Josephson Hall effect in topological Josephson junctions
Oleksii Maistrenko, Benedikt Scharf, Dirk Manske +1
Josephson junctions based on three-dimensional topological insulators offer intriguing possibilities to realize unconventional -wave pairing and Majorana modes. Here, we provide…
Momentum-resolved analysis of condensate dynamic and Higgs oscillations in quenched superconductors with tr-ARPES
Lukas Schwarz, Benedikt Fauseweh, Dirk Manske
Higgs oscillations in nonequilibrium superconductors provide an unique tool to obtain information about the underlying order parameter. Several properties like the absolute value,…
Current-assisted Raman activation of the Higgs mode in superconductors
Matteo Puviani, Lukas Schwarz, Xiao-Xiao Zhang +2
The Higgs mode in superconductors is a scalar mode without electric or magnetic dipole moment. Thus, it is commonly believed that its excitation is restricted to a nonlinear two-ph…
Theory of driven Higgs oscillations and third-harmonic generation in unconventional superconductors
Lukas Schwarz, Dirk Manske
Higgs spectroscopy is a new field in which Higgs modes in nonequilibrium superconductors are analyzed to gain information about the ground state. One experimental setup in which th…
Identification of Spin-Triplet Superconductivity through a Helical-Chiral Phase Transition in SrRuO Thin-Films
S. Ikegaya, K. Yada, Y. Tanaka +3
Despite much effort for over the two decades, the paring symmetry of a SrRuO superconductor has been still unclear. In this Rapid Communication, motivated by the recent rap…
Anomalous Nonlocal Conductance as a Fingerprint of Chiral Majorana Edge States
Satoshi Ikegaya, Yasuhiro Asano, Dirk Manske
Chiral -wave superconductor is the primary example of topological systems hosting chiral Majorana edge states. Although candidate materials exist, the conclusive signature of ch…
Phase-resolved Higgs response in superconducting cuprates
Hao Chu, Min-Jae Kim, Kota Katsumi +26
In high energy physics, the Higgs field couples to gauge bosons and fermions and gives mass to their elementary excitations. Experimentally, such couplings can be inferred from the…
Chiral d-wave Superconductivity in a Triangular Surface Lattice Mediated by Long-range Interaction
Xiaodong Cao, Thomas Ayral, Zhicheng Zhong +3
Correlated ad-atom systems on the Si(111) surface have recently attracted an increased attention as strongly correlated systems with a rich phase diagram. We study these materials…
Possible light-induced superconductivity in a strongly correlated electron system
Nikolaj Bittner, Takami Tohyama, Stefan Kaiser +1
Using a nonequilibrium implementation of the Lanczos-based exact diagonalisation technique we study the possibility of the light-induced superconducting phase coherence in a solid…
Leggett modes and the Anderson-Higgs mechanism in superconductors without inversion symmetry
Nikolaj Bittner, Dietrich Einzel, Ludwig Klam +1
We develop a microscopic and gauge-invariant theory for collective modes resulting from the phase of the superconducting order parameter in non-centrosymmetric superconductors. Con…
Control of Edge Currents at a Ferromagnet - Triplet Superconductor Interface by Multiple Helical Majorana Modes
Damien Terrade, Dirk Manske, Mario Cuoco
We study the spin and charge currents flowing at the interface of an itinerant ferromagnet with a topological spin-triplet superconductor having different number of time-reversal-i…