Challenges for develo** photo-induced phase transition (PIPT) systems: from classical (incoherent) to quantum (coherent) control of PIPT dynamics
This work reviews the experimental studies on photo-induced cooperative phenomena
(photo-induced phase transitions, PIPT), which are related to ultrafast structural and …
(photo-induced phase transitions, PIPT), which are related to ultrafast structural and …
Photoinduced ultrafast phenomena in correlated electron magnets
S Ishihara - Journal of the Physical Society of Japan, 2019 - journals.jps.jp
Photoinduced nonequilibrium phenomena in magnets with strong electron correlation are
reviewed. Owing to the strong competition between electron itineracy and localization and …
reviewed. Owing to the strong competition between electron itineracy and localization and …
Direct observation of excitonic instability in Ta2NiSe5
Coulomb attraction between electrons and holes in a narrow-gap semiconductor or a
semimetal is predicted to lead to an elusive phase of matter dubbed excitonic insulator …
semimetal is predicted to lead to an elusive phase of matter dubbed excitonic insulator …
Photo-induced semimetallic states realised in electron–hole coupled insulators
Using light to manipulate materials into desired states is one of the goals in condensed
matter physics, since light control can provide ultrafast and environmentally friendly …
matter physics, since light control can provide ultrafast and environmentally friendly …
Photoinduced multistage phase transitions in Ta2NiSe5
Ultrafast control of material physical properties represents a rapidly develo** field in
condensed matter physics. Yet, accessing the long-lived photoinduced electronic states is …
condensed matter physics. Yet, accessing the long-lived photoinduced electronic states is …
The spontaneous symmetry breaking in Ta2NiSe5 is structural in nature
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 …
spontaneous formation and Bose condensation of excitons. Detecting this exotic order in …
Ultrafast melting and recovery of collective order in the excitonic insulator Ta2NiSe5
Abstract The layered chalcogenide Ta2NiSe5 has been proposed to host an excitonic
condensate in its ground state, a phase that could offer a unique platform to study and …
condensate in its ground state, a phase that could offer a unique platform to study and …
Coherent Phonon Assisted Ultrafast Order-Parameter Reversal and Hidden Metallic State in
The nonequilibrium dynamics during photoinduced insulator-to-metal transition (IMT) in the
excitonic insulator (EI) candidate Ta 2 NiSe 5 have been investigated, which reproduce the …
excitonic insulator (EI) candidate Ta 2 NiSe 5 have been investigated, which reproduce the …
Non-Coulomb strong electron-hole binding in revealed by time- and angle-resolved photoemission spectroscopy
We reveal an ultrafast purely electronic phase transition in Ta 2 NiSe 5, which is a plausible
excitonic insulator, after excited by an ultrafast infrared laser pulse. Specifically, the order …
excitonic insulator, after excited by an ultrafast infrared laser pulse. Specifically, the order …
Imaging the coherent propagation of collective modes in the excitonic insulator Ta2NiSe5 at room temperature
Excitonic insulators host a condensate of electron-hole pairs at equilibrium, giving rise to
collective many-body effects. Although several materials have emerged as excitonic …
collective many-body effects. Although several materials have emerged as excitonic …