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A non-exaustive list of recent works on excitonic insulators

provided by Massimo Rontani


Ta2NiSe5

Y.F. Lu, H. Kono, T.I. Larkin, A.W. Rost, T. Takayama, A.V. Boris, B. Keimer, H. Takagi. Zero-gap semiconductor to excitonic insulator transition in Ta2NiSe5. Nature Communications 8, 14408 (2017). DOI:10.1038/ncomms14408

 

S. Mor, M. Herzog, D. Golež, P. Werner, M. Eckstein, N. Katayama, M. Nohara, H. Takagi, T. Mizokawa, C. Monney, J. Stähler. Ultrafast Electronic Band Gap Control in an Excitonic Insulator. Physical Review Letters 119, 086401 (2017). DOI: 10.1103/PhysRevLett.119.086401

 

Y. Murakami, D. Golež, M. Eckstein, P. Werner. Photoinduced Enhancement of Excitonic Order. Physical Review Letters 119, 247601 (2017). DOI: 10.1103/PhysRevLett.119.247601

 

D. Werdehausen, T. Takayama, M. Hoppner, G. Albrecht, A. W. Rost, Y. Lu, D. Manske, H. Takagi, S. Kaiser. Coherent Order Parameter Oscillations in the Ground State of the Excitonic Insulator Ta2NiSe5. arXiv:1611.01053

 

K. Domon, T. Yamada, and Y. Ono. Excitonic Phase Diagram of the Quasi-One-Dimensional Three-Chain Hubbard Model for Semiconducting and Semimetallic Ta2NiSe5. arXiv:1705.05794

 

Y.-S. Seo, M. J. Eom, J. S. Kim, C.-J. Kang, B. I. Min, and J. Hwang. Temperature-dependent excitonic superuid plasma frequency evolution in a strong excitonic insulator candidate, Ta2NiSe5. arXiv:1707.07839


D. Werdehausen, T. Takayama, G. Albrecht, Y. Lu, H. Takagi, S Kaiser. Photo-excited dynamics in the excitonic insulator Ta2NiSe5. arXiv:1801.10466  


A. Nakano, T. Hasegawa, S. Tamura, N. Katayama, S. Tsutsui, H. Sawa. Electron–phonon coupling mode in excitonic insulator. arXiv:1803.00274

 

carbon nanotubes


D. Varsano, S. Sorella, D. Sangalli, M. Barborini, S. Corni, E. Molinari, M. Rontani. Carbon nanotubes as excitonic insulators. Nature Communications 8, 1461 (2017). DOI: 10.1038/s41467-017-01660-8 


L. Aspitarte, D. R. McCulley, A. Bertoni, J. O. Island, M. Ostermann, M. Rontani, G. A. Steele, E. D. Minot. Giant modulation of the electronic band gap of carbon nanotubes by dielectric screening. Scientific Reports 7, 8828 (2017). DOI: 10.1038/s41598-017-09372-1


M. J. Senger, D. R. McCulley, N. Lotfizadeh, V. V. Deshpande, E. D. Minot. Universal interaction-driven gap in metallic carbon nanotubes. Physical Review B 97, 035445 (2018). DOI: 10.1103/PhysRevB.97.035445

 

van der Waals layered structures


E. V. Calman, C. J. Dorow, M. M. Fogler, L. V. Butov, S. Hu, A. Mishchenko, A. K. Geim. Control of excitons in multi-layer van der Waals heterostructures. Applied Physics Letters 108, 101901 (2016). DOI:10.1063/1.4943204

 

X. Liu, K. Watanabe, T. Taniguchi, B. I. Halperin, P. Kim. Quantum Hall drag of exciton condensate in graphene. Nature Physics 13, 746 (2017). DOI:10.1038/NPHYS4116

 

J. I. A. Li, T. Taniguchi, K.Watanabe, J. Hone, C. R. Dean. Excitonic superfluid phase in double bilayer graphene. Nature Physics 13, 751 (2017). DOI:10.1038/NPHYS4140

 

M.-K. Joo, Y. Jin, B. H. Moon, H. Kim, S. Lee, Y. H. Lee. Electron-hole pair condensation in Graphene/MoS2 heterointerface. arXiv:1711.00606

 

M. A. Zibrov, C. Kometter, H. Zhou, E. M. Spanton, T. Taniguchi, K. Watanabe, M. P. Zaletel, A. F. Young. Tunable interacting composite fermion phases in a half-filled bilayer-graphene Landau level. Nature (2017). DOI:10.1038/nature23893


G. W. Burg, N. Prasad, K. Kim, T. Taniguchi, K. Watanabe, A. H. MacDonald, L. F. Register, E. Tutuc. Strongly Enhanced Tunneling at Total Charge Neutrality in Double-Bilayer Graphene-WSe2 Heterostructures. Physical Review Letters 120, 177702 (2018). DOI:10.1103/PhysRevLett.120.177702  


S. Sorella, K. Seki, O. O. Brovko, T. Shirakawa, S. Miyakoski, S. Yunoki, E. Tosatti. Structural dimerization, electron correlations, and topological gap opening in isotropically strained graphene. arXiV: 1804.04479


TiSe2

 

A. Kogar, M. S. Rak, S. Vig, A. A. Husain, F. Flicker, Y. Il Joe, L. Venema, G. J. MacDougall, T. C. Chiang, E. Fradkin, J. van Wezel, P. Abbamonte. Signatures of exciton condensation in a transition metal dichalcogenide. Science 358, 1314-1317 (2017). DOI: 10.1126/science.aam6432


M. Hellgren, J. Baima, R. Bianco, M. Calandra, F. Mauri, L. Wirtz. Critical Role of the Exchange Interaction for the Electronic Structure and Charge-Density-Wave Formation in TiSe2. Physical Review Letters 119, 176401 (2017). DOI: 10.1103/PhysRevLett.119.176401

 

B. Singh, C.-H. Hsu, W.-F. Tsai, V. M. Pereira, H. Lin. Stable charge density wave phase in a 1T–TiSe2 monolayer. Physical Review B 95, 245136 (2017). DOI: 10.1103/PhysRevB.95.245136

 

C. Chen, B. Singh, H. Lin, V. M. Pereira. Reproduction of the charge density wave phase diagram in 1T-TiSe2 exposes its excitonic character. arXiv:1712.04967


T. Kaneko, Y. Ohta, S. Yunoki. Microscopic theory of the triple-q charge-density-wave state in monolayer TiSe2. arXiv:1711.08547


Dirac / Weyl semimetals


M. Hirata, K. Ishikawa, G. Matsuno, A. Kobayashi, K. Miyagawa, M. Tamura, C. Berthier, K. Kanoda, Anomalous spin correlations and excitonic instability of interacting 2D Weyl fermions. Science 358, 1403–1406 (2017). DOI:10.1126/science.aan5351

 

J.-R. Wang, G.-Z. Liu, C.-J. Zhang. Excitonic pairing and insulating transition in two-dimensional semi-Dirac semimetals. Physical Review B 95, 075129 (2017). DOI:10.1103/PhysRevB.95.075129

 

P. Michetti, C. Timm. Electron-hole pairing of Fermi-arc surface states in a Weyl semimetal bilayer. Physical Review B 95, 125435 (2017). DOI:10.1103/PhysRevB.95.125435

 

V.A. Prudkoglyad, E.B. Olshanetsky, Z.D. Kvon, V.M. Pudalov, N.N. Michailov, S.A. Dvoretsky. Two-dimensional semimetal in HgTe quantum well under hydrostatic pressure. arXiv:1712.01879

 

A. N. Rudenko, E. A. Stepanov, A. I. Lichtenstein, M. I. Katsnelson. Excitonic instability and pseudogap formation in nodal line semimetal ZrSiS. arXiv:1712.07916

 

Excitonic magnetism


A. Sotnikov, J. Kunes. Excitonic instability and pseudogap formation in nodal line semimetal ZrSiS. Scientific Reports 6, 30510 (2016). DOI:10.1038/srep30510

 

S.-M. Souliou, J. Chaloupka, G. Khaliullin, G. Ryu, A. Jain, B. J. Kim, M. Le Tacon, B. Keimer. Raman Scattering from Higgs Mode Oscillations in the Two-Dimensional Antiferromagnet Ca2RuO4. Physical Review Letters 119, 067201 (2017). DOI:10.1103/PhysRevLett.119.067201

 

T. Kaneko, Y. Ohta. Electric and magnetic multipoles and bond orders in excitonic insulators. Physical Review B 94, 125127 (2016). DOI:10.1103/PhysRevB.94.125127

 

N. Kaushal, J. Herbrych, A. Nocera, G. Alvarez, A. Moreo, F. A. Reboredo, E. Dagotto. Density matrix renormalization group study of a three-orbital Hubbard model with spin-orbit coupling in one dimension. Physical Review B 96, 155111 (2017). DOI:10.1103/PhysRevB.96.155111

 

R.S. Markiewicz, A. Bansil. Excitonic insulators as a model of d d and Mott transitions in strongly correlated materials. arXiv:1708.02270

 

R.-P. Wang, A. Hariki, A. Sotnikov, F. Frati, J. Okamoto, H.-Y. Huang, A. Singh, D.-J. Huang, K. Tomiyasu, C.-H. Du, J. Kunes, F. M. F. de Groot. Excitonic dispersion of the intermediate-spin state in LaCoO3 revealed by resonant inelastic X-ray scattering. arXiv:1712.04906

 

K. Tomiyasu, N. Ito, R. Okazaki, Y. Takahashi, M. Onodera, K. Iwasa, T. Nojima, T. Aoyama, K. Ohgushi, Y. Ishikawa, T. Kamiyama, S. Ishihara. Excitonic quantum paramagnet near spin-state transition. arXiv:1712.09169

 

InAs/GaSb bilayer


L. Du, X. Li, W. Lou, G. Sullivan, K. Chang, J. Kono, R.-R. Du. Evidence for a topological excitonic insulator in InAs/GaSb bilayers. Nature Communications 8, 1971 (2017). DOI:10.1038/s41467-017-01988-1

 

W. Yu, V. Clericò, C. Hernández Fuentevilla, X. Shi, Y. Jiang, D. Saha, W.K. Lou, K. Chang, D.H. Huang, G. Gumbs, D. Smirnov, C. J. Stanton, Z. Jiang, V. Bellani, Y. Meziani, E. Diez, W. Pan, S.D. Hawkins, J.F. Klem. Evidence for an excitonic insulator phase in a zero-gap InAs/GaSb bilayer. arXiv:1701.07417

 

Andreev-like phenomena


A. Kononov, S. V. Egorov, Z. D. Kvon, N. N. Mikhailov, S. A. Dvoretsky, E. V. Deviatov. Andreev reflection at the edge of a two-dimensional semimetal. Physical Review B 93, 041303(R) (2016). DOI: 10.1103/PhysRevB.93.041303

 

D. Bercioux, T. M. Klapwijk, F. S. Bergeret. Transport Properties of an Electron-Hole Bilayer in Contact with a Superconductor Hybrid Junction. Physical Review Letters 119, 067001 (2017). DOI:10.1103/PhysRevLett.119.067001

 

Miscellaneous (theory)


M. Hafez-Torbati, S. Uhrig. Singlet exciton condensation and bond-order-wave phase in the extended Hubbard model. Physical Review B 96, 125129 (2017). DOI:10.1103/PhysRevB.96.125129

 

R. Wang, O. Erten, B. Wang, D. Y. Xing. Charge fractionalization induced by parity anomaly in the chiral excitonic phase of topological surface state. arXiv:1705:06421

 

K. Hamada, T. Kaneko, S. Miyakoshi, Y. Ohta. Excitonic Insulator State of the Extended Falicov–Kimball Model in the Cluster Dynamical Impurity Approximation. arXiv:1705.09071

 

S. Pradhan, A. Taraphder. Slave Rotor Approach to Exciton Condensation in a Two-band System. arXiv:1707.04701


Z. Jiang, Y. Li, S. Zhang, W. Duan. Realizing intrinsic excitonic insulator by decoupling exciton binding energy from the minimum band gap. arXiv:1804.10945


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