• Wang, G. et al. Colloquium: excitons in atomically thin transition metal dichalcogenides. Rev. Mod. Phys. 90, 021001 (2018).

    ADS 
    MathSciNet 

    Google Scholar
     

  • He, K. et al. Tightly bound excitons in monolayer WSe2. Phys. Rev. Lett. 113, 026803 (2014).

    ADS 

    Google Scholar
     

  • Xu, X., Yao, W., Xiao, D. & Heinz, T. F. Spin and pseudospins in layered transition metal dichalcogenides. Nat. Phys. 10, 343–350 (2014).


    Google Scholar
     

  • Li, Z., Wang, T., Miao, S., Lian, Z. & Shi, S.-F. Fine structures of valley-polarized excitonic states in monolayer transitional metal dichalcogenides. Nanophotonics 9, 1811–1829 (2020).


    Google Scholar
     

  • Ye, Z. et al. Efficient generation of neutral and charged biexcitons in encapsulated WSe2 monolayers. Nat. Commun. 9, 3718 (2018).

    ADS 

    Google Scholar
     

  • Chen, X., Lian, Z., Meng, Y., Ma, L. & Shi, S.-F. Excitonic complexes in two-dimensional transition metal dichalcogenides. Nat. Commun. 14, 8233 (2023).

    ADS 

    Google Scholar
     

  • Mak, K. F. & Shan, J. Photonics and optoelectronics of 2D semiconductor transition metal dichalcogenides. Nat. Photon. 10, 216–226 (2016).

    ADS 

    Google Scholar
     

  • Ciarrocchi, A. et al. Polarization switching and electrical control of interlayer excitons in two-dimensional van der Waals heterostructures. Nat. Photon. 13, 131–136 (2019).

    ADS 

    Google Scholar
     

  • Jauregui, L. A. et al. Electrical control of interlayer exciton dynamics in atomically thin heterostructures. Science 366, 870–875 (2019).

    ADS 

    Google Scholar
     

  • Alexeev, E. M. et al. Resonantly hybridized excitons in moiré superlattices in van der Waals heterostructures. Nature 567, 81–86 (2019).

    ADS 

    Google Scholar
     

  • Jin, C. et al. Observation of moiré excitons in WSe2/WS2 heterostructure superlattices. Nature 567, 76–80 (2019).

    ADS 

    Google Scholar
     

  • Seyler, K. L. et al. Signatures of moiré-trapped valley excitons in MoSe2/WSe2 heterobilayers. Nature 567, 66–70 (2019).

    ADS 

    Google Scholar
     

  • Regan, E. C. et al. Mott and generalized Wigner crystal states in WSe2/WS2 moiré superlattices. Nature 579, 359–363 (2020).

    ADS 

    Google Scholar
     

  • Tang, Y. et al. Simulation of Hubbard model physics in WSe2/WS2 moiré superlattices. Nature 579, 353–358 (2020).

    ADS 

    Google Scholar
     

  • Xu, Y. et al. Correlated insulating states at fractional fillings of moiré superlattices. Nature 587, 214–218 (2020).

    ADS 

    Google Scholar
     

  • Huang, X. et al. Correlated insulating states at fractional fillings of the WS2/WSe2 moiré lattice. Nat. Phys. 17, 715–719 (2021).


    Google Scholar
     

  • Xiong, R. et al. Correlated insulator of excitons in WSe2/WS2 moiré superlattices. Science 380, 860–864 (2023).

    ADS 

    Google Scholar
     

  • Lian, Z. et al. Valley-polarized excitonic Mott insulator in WS2/WSe2 moiré superlattice. Nat. Phys. 20, 34–39 (2024).


    Google Scholar
     

  • Gao, B. et al. Excitonic Mott insulator in a Bose-Fermi-Hubbard system of moiré WS2/WSe2 heterobilayer. Nat. Commun. 15, 2305 (2024).

    ADS 

    Google Scholar
     

  • Shimazaki, Y. et al. Strongly correlated electrons and hybrid excitons in a moiré heterostructure. Nature 580, 472–477 (2020).

    ADS 

    Google Scholar
     

  • Wang, X. et al. Intercell moiré exciton complexes in electron lattices. Nat. Mater. 22, 599–604 (2023).

    ADS 

    Google Scholar
     

  • Jones, A. M. et al. Spin–layer locking effects in optical orientation of exciton spin in bilayer WSe2. Nat. Phys. 10, 130–134 (2014).


    Google Scholar
     

  • Lian, Z. et al. Exciton superposition across moiré states in a semiconducting moiré superlattice. Nat. Commun. 14, 5042 (2023).

    ADS 

    Google Scholar
     

  • Zhang, Y. et al. Every-other-layer dipolar excitons in a spin-valley locked superlattice. Nat. Nanotechnol. 18, 501–506 (2023).

    ADS 

    Google Scholar
     

  • Chen, D. et al. Tuning moiré excitons and correlated electronic states through layer degree of freedom. Nat. Commun. 13, 4810 (2022).

    ADS 

    Google Scholar
     

  • Yu, L. et al. Observation of quadrupolar and dipolar excitons in a semiconductor heterotrilayer. Nat. Mater. 22, 1485–1491 (2023).

    ADS 

    Google Scholar
     

  • Lian, Z. et al. Quadrupolar excitons and hybridized interlayer Mott insulator in a trilayer moiré superlattice. Nat. Commun. 14, 4604 (2023).

    ADS 

    Google Scholar
     

  • Li, W. et al. Quadrupolar–dipolar excitonic transition in a tunnel-coupled van der Waals heterotrilayer. Nat. Mater. 22, 1478–1484 (2023).

    ADS 

    Google Scholar
     

  • Deilmann, T. & Sommer Thygesen, K. Quadrupolar and dipolar excitons in symmetric trilayer heterostructures: insights from first principles theory. 2D Mater. 11, 035032 (2024).


    Google Scholar
     

  • Slobodkin, Y. et al. Quantum phase transitions of trilayer excitons in atomically thin heterostructures. Phys. Rev. Lett. 125, 255301 (2020).

    ADS 

    Google Scholar
     

  • Astrakharchik, G. E., Kurbakov, I. L., Sychev, D. V., Fedorov, A. K. & Lozovik, Y. E. Quantum phase transition of a two-dimensional quadrupolar system. Phys. Rev. B 103, L140101 (2021).

    ADS 

    Google Scholar
     

  • Xie, Y. et al. Bright and dark quadrupolar excitons in the WSe2/MoSe2/WSe2 heterotrilayer. Phys. Rev. Lett. 131, 186901 (2023).

    ADS 

    Google Scholar
     

  • Bai, Y. et al. Evidence for exciton crystals in a 2D semiconductor heterotrilayer. Nano Lett. 23, 11621–11629 (2023).

    ADS 

    Google Scholar
     

  • Tong, Q., Chen, M., Xiao, F., Yu, H. & Yao, W. Interferences of electrostatic moiré potentials and bichromatic superlattices of electrons and excitons in transition metal dichalcogenides. 2D Mater. 8, 025007 (2021).


    Google Scholar
     

  • Chen, D. et al. Excitonic insulator in a heterojunction moiré superlattice. Nat. Phys. 18, 1171–1176 (2022).


    Google Scholar