290 citations · 2.3k across the 36 of their papers we have counts for
4 papers · 1 filter
Strong long-wavelength electron-phonon coupling in TaNi(Se,S)
Zhibo Kang, Burak Gurlek, Weichen Tang +9
The search for intrinsic excitonic insulators (EI) has long been confounded by coexisting electron-phonon coupling in bulk materials. Although the ground state of an EI may be diff…
Terahertz parametric amplification as a reporter of exciton condensate dynamics
Sheikh Rubaiat Ul Haque, Marios H. Michael, Junbo Zhu +10
Condensates are a hallmark of emergence in quantum materials with superconductors and charge density wave as prominent examples. An excitonic insulator (EI) is an intriguing additi…
Theory of time-crystalline behaviour mediated by phonon squeezing in Ta2NiSe5
Marios H. Michael, Sheikh Rubaiat Ul Haque, Lukas Windgaetter +5
We theoretically investigate photonic time-crystalline behaviour initiated by optical excitation above the electronic gap of the excitonic insulator candidate .…
The spontaneous symmetry breaking in TaNiSe is structural in nature
Edoardo Baldini, Alfred Zong, Dongsung Choi +16
The excitonic insulator is an electronically-driven phase of matter that emerges upon the spontaneous formation and Bose condensation of excitons. Detecting this exotic order in ca…