Probing the exciton condensate phase in 1T-TiSe2 with photoemission

New Journal of Physics

Volumn 12, Issue , 2010, Pages

  Monney, C ^a,f   Schwier, E F ^a   Garnier, M G ^a   Mariotti, N ^a   Didiot, C ^a   Cercellier, H ^b   Marcus, J ^b   Berger, H ^c   Titov, A N ^d,e   Beck, H ^a   Aebi, P ^a  

^a UNIVERSITY OF FRIBOURG   (Switzerland)

^b CNRS   (France)

^c EPFL   (Switzerland)

^d INSTITUTE OF METAL PHYSICS   (Russian Federation)

^e Institute of Metallurgy   (Russian Federation)

^f PAUL SCHERRER INSTITUTE   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

BCS THEORY; CHEMICAL-POTENTIAL SHIFT; DENSITY WAVE TRANSITION; EXCITONIC INSULATOR; ORDER PARAMETER; PHOTOEMISSION INTENSITY; SPECTRAL FUNCTION; SPECTROSCOPIC SIGNATURES; TEMPERATURE DEPENDENT; TRANSITION METAL DICHALCOGENIDES;

EXCITONS; METAL INSULATOR TRANSITION; PHOTOEMISSION; TRANSITION METALS; TRANSPORT PROPERTIES;

EMISSION SPECTROSCOPY;

EID: 78651271388     PISSN: 13672630     EISSN: None     Source Type: Journal    
DOI: 10.1088/1367-2630/12/12/125019     Document Type: Article

References (44)

1. Keldysh L V and Kopaev Y V 1965 Possible instability of semimetallic state toward Coulomb interaction Sov. Phys.-Solid State, USSR 6 2219
2. Jérome D, Rice T M and Kohn W 1967 Excitonic insulator Phys. Rev. 158 462-75
3. Doni E and Girlanda R 1986 Electronic Structure and Electronic Transition in Layered Materials (Dordrecht: Reidel)
4. Cui X Y, Negishi H, Titov A N, Titova S G, Shi M and Patthey L 2010 Evolution of electronic structure on transition metal doped titanium disulfide by angle resolved photoemission spectroscopy study arXiv:1008.1146v1
5. 2 Phys. Rev. Lett. 99 146403
6. 2: semimetal or semiconductor? Phys. Rev. Lett. 101 237602
7. 2: excitonic insulator versus band-type Jahn-Teller mechanism Phys. Rev. B 65 235101
8. 2 Phys. Rev. Lett. 88 226402
9. 2 Phys. Rev. B 54 2453-65
10. 2 J. Phys.: Condens. Matter 16 3271
11. Vernes A, Ebert H, Bensch W, Heid W and Näther C 1998 Crystal structure, electrical properties and electronic band structure of tantalum ditelluride J. Phys.: Condens. Matter 10 761
12. 2 J. Phys. Soc. Japan 49 898
13. 2 and the excitonic insulator mechanism Commun. Phys. 2 23
14. 2 Phys. Status. Solidi B 86 11
15. Monney C et al 2009 Spontaneous exciton condensation in 1T-TiSe2: BCS-like approach Phys. Rev. B 79 045116
16. Zhitomirsky M E and Rice T M 2000 Electron-hole liquid in the hexaborides Phys. Rev. B 62 1492-5
17. Wachter P, Bucher B and Malar J 2004 Possibility of a superfluid phase in a Bose condensed excitonic state Phys. Rev. B 69 094502
18. Bronold F X and Fehske H 2006 Possibility of an excitonic insulator at the semiconductor-semimetal transition Phys. Rev. B 74 165107
19. Ihle D, Pfafferott M, Burovski E, Bronold F X and Fehske H 2008 Bound state formation and the nature of the excitonic insulator phase in the extended Falicov-Kimball model Phys. Rev. B 78 193103
20. Zenker B, Ihle D, Bronold F X and Fehske H 2010 Existence of excitonic insulator phase in the extended Falicov-Kimball model: SO(2)-invariant slave-boson approach Phys. Rev. B 81 115122
21. Phan N P, Becker K W and Fehske H 2010 Spectral signatures of the BCS-BEC crossover in the excitonic insulator phase of the extended Falicov-Kimball model Phys. Rev. B 81 205117
22. 2 Phys. Rev. B 14 4321-28
23. 2 J. Phys. C: Solid State Phys. 12 473-87
24. 2 Phys. Rev. Lett. 86 3799-802
25. 2 and related materials-possible Jahn-Teller effect J. Phys. C: Solid State Phys. 10 L319-23
26. 2 Phys. Rev. B 17 1839-42
27. 2 Phys. Rev. B 81 165109
28. 2 Nature Phys. 2 544-50
29. Sawatzky G A, Elfimov I S, van den Brink J and Zaanen J 2009 Heavy-anion solvation of polarity fluctuations in pnictides Europhys. Lett. 86 17006
30. 2 Phys. Rev. Lett. 103 236401
31. Mahan G D 1981 Many-Particle Physics (New York: Plenum)
32. Clerc F 2006 Photoemission from transition metal dichalcogenides quasi-two dimensional systems with charge density waves PhD Thesis University of Neuchâtel, Switzerland
33. 1.5 Phys. Rev. B 28 5454-61
34. Woo K C, Brown F C, McMillan W L, Miller R J, Schaffman M J and Sears M P 1976 Superlattice formation in titanium diselenide Phys. Rev. B 14 3242-47
35. 2 Europhys. Lett. 89 47004
36. Voit J, Perfetti L, Zwick F, Berger H, Margaritondo G, Grner G, Hchst H and Grioni M 2000 Electronic structure of solids with competing periodic potentials Science 290 501
37. Clerc F, Battaglia C, Cercellier H, Monney C, Berger H, Despont L, Garnier M G and Aebi P 2007 Fermi surface of layered compounds and bulk charge density wave systems J. Phys.: Condens. Matter 19 355002
38. Hengsberger M, Purdie D, Segovia P, Garnier M and Baer Y 1999 Photoemission study of a strongly coupled electron-phonon system Phys. Rev. Lett. 83 592-5
39. 2 Phys. Rev. B 61 16213-22
40. Monney C et al 2009 Dramatic effective mass reduction driven by strong electronic correlations arXiv:0912.5283
41. Ashcroft N W and Mermin N D 1976 Solid State Physics (London: Brooks and Cole)
42. 2 Phys. Rev. Lett. 99 027404
43. 2: interpretation within the exciton condensate phase model Phys. Rev. B 81 155104
44. 4 with a Fermi surface forming an arc Phys. Rev. Lett. 91 027001