Sebastian Group

2018

63. Fermi surface in Kondo insulators
Journal of Physics: Condense Matter 30, 16LT01 (2018)
H. Liu, M. Hartstein, G. J. Wallace, A. J. Davies, M. Ciomaga Hatnean, M. D. Johannes, N. Shitsevalova, G. Balakrishnan  and S. E. Sebastian

62. Fermi surface in the absence of a Fermi liquid in the Kondo insulator SmB6
Nature Physics 14, 166 (2018)
M. Hartstein, W. H. Toews, Y.-T. Hsu, B. Zeng, X. Chen, M. Ciomaga Hatnean, Q. R. Zhang, S. Nakamura, A. S. Padgett, G. Rodway-Gant, J. Berk, M. K. Kingston, G. H. Zhang, M. K. Chan, S. Yamashita, T. Saraivara, Y. Takano, J.-H. Park, L. Balicas, N. Harrison, N. Shitsevalova, G. Balakrishnan, G. G. Lonzarich, R. W. Hill, M. Sutherland and S. E. Sebastian

2017

61. Broken rotational symmetry on the Fermi surface of a high-Tc superconductor
NPJ Quantum Materials 2, 8 (2017)
B. J. Ramshaw, N. Harrison, S. E. Sebastian, S. Ghannadzadeh, K. A. Modic, D. A. Bonn, W. N. Hardy, Ruixing Liang and P. A. Goddard

60. Accessing the entire overdosed regime in pristine YBa2Cu3O6+x by application of pressure
Physical Review B 95, 100505(R) (2017)
P. L. Alireza, G. H. Zhang, W. Guo, J. Porras, T. Loew, Y.-T. Hsu, G. G. Lonzarich, M. Le Tacon, B. Keimer and S. E. Sebastian

59. Magnetic anisotropy of the alkali iridate Na2IrO3 at high magnetic fields: evidence for strong ferromagnetic Kitaev correlations
arXiv 1708.03235 (2017)
S. D. Das, S. Kundu, Z. Zhu, E. Mun, R. D. McDonald, G. Li, L. Balicas, A. McCollam, G. Cao, J. G. Rau, H.-Y. Kee, V. Tripathi and S. E. Sebastian

2015

58. Magnetotransport signatures of a single nodal electron pocket constructed from Fermi arcs
Physical Review B 92, 224505 (2015)
N. Harrison and S. E. Sebastian

57. Quantum criticality in the 122 iron pnictide superconductors emerging from orbital-selective Mottness
Physical Review B 92, 155112 (2015)
S. D. Das, M. S. Laad, L. Craco, J. Gillett, V. Tripathi, and S. E. Sebastian

56. Bulk electronic structure of Zn-Mg-Y and Zn-Mg-Dy icosahedral quasicrystals
Physical Review B 91, 235116 (2015)
J. Nayak, M. Maniraj, A. Gloskovskii, M. Krajčí, S. Sebastian, I. R. Fisher, K. Horn, and S. R. Barman

55. Fragile charge order in the non-superconducting ground state of the underdoped high temperature superconductors
Proceedings of the National Academy of Sciences 112, 31 (2015)
B. S. Tan, N. Harrison, Z. Zhu, F. F. Balakirev, B. J. Ramshaw, A. Srivastava, S. A. Sabok, B. Dabrowski, G. G. Lonzarich, and Suchitra E. Sebastian

54. Unconventional Fermi surface in an insulator
Science 349, 287 (2015)
B. S. Tan, Y. -T. Hsu, B. Zeng, M. Ciomaga Hatnean, N. Harrison, Z. Zhu, M. Hartstein, M. Kiourlappou, A. Srivastava, M. D. Johannes, T. P. Murphy, J. -H. Park, L. Balicas, G. G. Lonzarich, G. Balakrishnan, Suchitra E. Sebastian

53. Quasiparticle mass enhancement approaching optimal doping in a high-Tc superconductor
Science 348, 317 (2015)
B. J. Ramshaw, S. E. Sebastian, R. D. McDonald, James Day, B. S. Tan, Z. Zhu, J. B. Betts, Ruixing Liang, D. A. Bonn, W. N. Hardy, and N. Harrison

52. Quantum Oscillations in Hole-Doped Cuprates
Annual Review of Condensed Matter Physics 6, 411 (2015)
Suchitra E. Sebastian and Cyril Proust

51. Bulk electronic structure of Zn-Mg-Y and Zn-Mg-Dy icosahedral quasicrystals
Physical Review B 91, 235116 (2015)
J. Nayak, M. Maniraj, A. Gloskovskii, M. Krajčí, S. Sebastian, I. R. Fisher, K. Horn, and S. R. Barman

2014

50. Normal-state nodal electronic structure in underdoped high-Tc copper oxides
Nature 511, 61 (2014)
Suchitra E. Sebastian, N. Harrison, F. F. Balakirev, M. M. Altarawneh, P. A. Goddard, R. Liang, D. A. Bonn, W. N. Hardy, G. G. Lonzarich

49. On the relationship between charge ordering and the Fermi arcs observed in underdoped high Tc superconductors
New Journal of Physics 16, 063025 (2014)
N. Harrison and S. E. Sebastian

2013

48. Magnetic field-tuned localization of the 5f-electrons in URu2Si2
Physical Review B 88, 241108(R) (2013)
N. Harrison, P. J. W. Moll, S. E. Sebastian, L. Balicas, M. M. Altarawneh, J.-X. Zhu, P. H. Tobash, F. Ronning, E. D. Bauer, and B. Batlogg

2012

47. Gap-like feature in the normal state of X(Fe1−x Cox)2As2, X = Ba, Sr and Fe1+yTe revealed by Point Contact Spectroscopy
Journal of Physics: Conference Series 400, 022001 (2012)
H. Z. Arham, C. R. Hunt, W. K. Park, J. Gillett, S. D. Das, S. E. Sebastian, Z. J. Xu, J. S. Wen, Z. W. Lin, Q. Li, G. Gu, A. Thaler, S. L. Budko, P. C. Canfield, and L. H. Greene

46. Determination of the nature of the structural phase transitions in 122 pnictide systems
Journal of Physics: Conference Series 391, 012134
(2012)
J. C. Loudon, C. J. Bowell, J. Gillett, S. E. Sebastian, P. A. Midgley

45. Quantum oscillations in iron pnictide superconductors
Iron-based Superconductors: Materials, Properties and Mechanisms pp. 125-159, Pan Stanford (2012)
Suchitra E. Sebastian

44. Fermi surface reconstruction from bilayer charge ordering in the underdoped high Tc superconductor YBa2Cu3O6+x
New Journal of Physics 14 095023
(2012)
N. Harrison and S. E. Sebastian

43. Towards resolution of the Fermi surface in underdoped high-Tc superconductors
Reports on Progress in Physics 75, 102501 (2012)
Suchitra E. Sebastian, N. Harrison. G. G. Lonzarich

42. Detection of orbital fluctuations above the structural transition temperature in the iron pnictides and chalcogenides
Physical Review B 85, 214515 (2012)
H. Z. Arham, C. R. Hunt, W. K. Park, J. Gillett, S. D. Das, S. E. Sebastian, Z. J. Xu, J. S. Wen, Z. W. Lin, Q. Li, G. Gu, A. Thaler, S. Ran, S. L. Bud’ko, P. C. Canfield, D. Y. Chung, M. G. Kanatzidis, L. H. Greene

41. Quantum Oscillations from Nodal Bilayer Magnetic Breakdown in the Underdoped High Tc Superconductor YBa2Cu3O6+x
Physical Review Letters 108, 196403 (2012)
Suchitra E. Sebastian, N. Harrison, Ruixing Liang, D. A. Bonn, W. N. Hardy, C. H. Mielke, and G. G. Lonzarich

40. Multiband superconductivity in Co-doped SrFe2As2 investigated using local magnetic imaging
Superconductor Science and Technology 25, 045011
(2012)
W. M. Desoky, S. J. Bending, S. E. Sebastian

39. Vortex imaging in unconventional superconductors
Physica C: Superconductivity 479, 65 (2012)
S. J. Bending, P. J. Curran, W. M. A. Desoky, V. V. Khotkevych, A. Gibbs, A. P. Mackenzie, T. Tamegai, S. E. Sebastian

2011

38. Evidence for Dirac Nodes from Quantum Oscillations in SrFe2As2
Physical Review B 84, 180506(R) (2011)
Mike Sutherland, D. J. Hills, B. S. Tan, M. M. Altarawneh, N. Harrison, J. Gillett, E. C. T. O’Farrell, T. M. Benseman, I. Kokanovic, P. Syers, J. R. Cooper, Suchitra E. Sebastian

37. Chemical potential oscillations from nodal Fermi surface pocket in the underdoped high Tc superconductor YBa2Cu3O6+x
Nature Communications 2, doi:10.1038/ncomms1468 (2011)
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh, R. Liang, D. A. Bonn, W. N. Hardy, G. G. Lonzarich

36. Itinerant spin excitations in SrFe2As2 measured by inelastic neutron scattering
Physical Review B 83, 214519 (2011)
R. A. Ewings. T. G. Perring, J. Gillett, S. D. Das, S. E. Sebastian, A. E. Taylor, T. Guidi, A. T. Boothroyd

35. Protected Nodal Electron Pocket from Multiple-Q Ordering in Underdoped High Temperature Superconductors
Physical Review Letters 106, 226402 (2011)
N. Harrison and S. E. Sebastian

34. Sequential spin polarization of the Fermi surface pockets in URu2Si2 and its implications for the hidden order
Physical Review Letters 106, 146403 (2011)
M. M. Altarawneh, N. Harrison, S. E. Sebastian, L. Balicas, P. H. Tobash, J. D. Thompson, F. Ronning, E. D. Bauer

33. Quantum oscillations in the high-Tc cuprates
Philosophical Transactions A 369, 1687 (2011)
S. E. Sebastian, N. Harrison, G. G. Lonzarich

2010

32. Strong coupling to magnetic fluctuations in the charge dynamics of iron-based superconductors
Physical Review B 82, 014523 (2010)
J. N. Hancock, S. I. Mirzaei, J. Gillett, S. E. Sebastian, J. Teyssier, R. Viennois, D. van der Marel

31. Determination of the nature of the tetragonal to orthorhombic phase transition in SrFe2As2 by measurement of the local order parameter
Physical Review B 81, 214111 (2010)
J. C. Loudon, C. J. Bowell, J. Gillett, S. E. Sebastian, P. A. Midgley

30. Point-contact spectroscopic studies on normal and superconducting AFe2As2-type iron pnictide single crystals
Superconductor Science and Technology 23, 054009 (2010)
X. Lu, W. K. Park, H. Q. Yuan, G. F. Chen, G. L. Luo, N. L. Wang, S. E. Sebastian, L. H. Greene

29. Compensated electron and hole pockets in an underdoped high Tc superconductor
Physical Review B 81, 214524
(2010)
Suchitra E. Sebastian, N. Harrison, P. A. Goddard, M. M. Altarawneh, C. H. Mielke, Ruixing Liang, D. A. Bonn, W. N. Hardy, O. K. Andersen, G. G. Lonzarich

28. Fermi liquid behaviour in an underdoped high Tc superconductor Physical Review B Rapid Commn. 81, 140505(R) (2010)
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh, R. Liang, D. A. Bonn, W. N. Hardy, G. G. Lonzarich

27. Ferromagnetic and ferroelectric quantum phase transitions
Physica Status Solidi B 247, 469 (2010)
Stephen Rowley, Robert Smith, Mark Dean, Leszek Spalek, Michael Sutherland, Montu Saxena, Patricia Alireza, Chris Ko, Cheng Liu, Emma Pugh, Suchitra Sebastian, and Gilbert Lonzarich

26. Metal-insulator quantum critical point beneath the high Tc superconducting dome
Proceedings of the National Academy of Sciences 107, 6175 (2010)
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh, C. H. Mielke, Ruixing Liang, D. A. Bonn, W. N. Hardy, G. G. Lonzarich

2009

25. Spin-Order Driven Fermi Surface Reconstruction Revealed by Quantum Oscillations in an Underdoped High Tc Superconductor
Physical Review Letters 103, 256405 (2009)
Suchitra E. Sebastian, N. Harrison, C. H. Mielke, Ruixing Liang, D. A. Bonn, W. N. Hardy, G. G. Lonzarich

24. Dirac nodal pockets in the antiferromagnetic parent phase of FeAs superconductors
Physical Review B 80, 224512 (2009)
N. Harrison, S. E. Sebastian

23. Comment on ‘Field dependence of the quantum ground state in the Shastry-Sutherland system SrCu2(BO3)2
Europhysics Letters 85, 67007 (2009)
S. E. Sebastian and N. Harrison

22. Heavy holes as a precursor to superconductivity in antiferromagnetic CeIn3
Proceedings of the National Academy of Sciences 106, 7741 (2009)
Suchitra E. Sebastian, N. Harrison, C. D. Batista, S. A. Trugman, V. Fanelli, M. Jaime, T. P. Murphy, E.C. Palm, H. Harima and T. Ebihara

21. Role of f electrons in the Fermi Surface of the Heavy Fermion Superconductor β-YbAlB4
Physical Review Letters 102, 216402 (2009)
E. C. T. O’Farrell, D. A. Tompsett, S. E. Sebastian, N. Harrison, C. Capan, L. Balicas, K. Kuga, A. Matsuo, K. Kindo, M. Tokunaga, S. Nakatsuji, G. Csanyi, Z. Fisk, M. L. Sutherland

20. SCES ’08 – concluding remarks
Physica B: Condensed Matter 404, 3335 (2009)
S. E. Sebastian, C. Morais Smith

2008

19. Superconductivity up to 29 K in SrFe2As2 and BaFe2As2 at high pressures
Journal of Physics: Condensed Matter 21, 012208 (2009) [Thomson Reuters Essential Science Indicators’ top 1% Most Highly Cited Papers]
Patricia L. Alireza, Y. T. Chris Ko, Jack Gillett, Chiara M. Petrone, Jacqueline M. Cole, Gilbert G. Lonzarich and Suchitra E. Sebastian

18. Quantum oscillations in the parent magnetic phase of an iron arsenide high temperature superconductor
Journal of Physics: Condensed Matter 20, 422203 (2008)
Suchitra E. Sebastian, J. Gillett, N. Harrison, P. H. C. Lau, D. J. Singh, C. H. Mielke and G. G. Lonzarich

17. Fractalization drives crystalline states in a frustrated spin system
Proceedings of the National Academy of Sciences 105, 20157 (2008)
Suchitra E. Sebastian, N. Harrison, P. Sengupta, C. D. Batista, S. Francoual, E. Palm, T. Murphy, N. Marcano, H. A. Dabkowska, B. D. Gaulin

16. A multi-component Fermi surface in the vortex state of an underdoped high-Tc superconductor
Nature 454, 200 (2008)
Suchitra E. Sebastian, N. Harrison, E. Palm, T. P. Murphy, R. Liang, D. A. Bonn, W. N. Hardy, G. G. Lonzarich

15. How do holes get heavy and superconduct?
Physica B: Condensed Matter 403, 977 (2008)
N. Harrison, S. E. Sebastian, C. D. Batista, S. A. Trugman

2007

14. Fermi surface of CeIn3 above the Néel critical field
Physical Review Letters 99, 056401 (2007)
N. Harrison, S. E. Sebastian, C. H. Mielke, A. Paris, M. J. Gordon, C. A. Swenson, D. G. Rickel, M. D. Pacheco, P. F. Ruminer, J. B. Schillig, J. R. Sims, A. H. Lacerda, M. T. Suzuki, H. Harima, T. Ebihara

13. Geometric frustration and dimensional reduction at a quantum critical point
Physical Review Letters 98, 257201 (2007)
C. D. Batista, J. Schmalian, N. Kawashima, P. Sengupta, S. E. Sebastian, N. Harrison, M. Jaime, I. R. Fisher

12. BEC phase boundary in BaCuSi2O6
Journal of Magnetism and Magnetic Materials 310, e460 (2007) Suchitra E. Sebastian, N. Harrison, C.D. Batista, L. Balicas, M. Jaime, P.A. Sharma, N. Kawashima, I.R. Fisher

11. Multiple magnon modes and consequences for the Bose-Einstein condensed phase in BaCuSi2O6
Physical Review Letters 98, 017202 (2007)
C. Ruegg, D. F. McMorrow, B. Normand, H. M. Ronnow, S. E. Sebastian, I. R., Fisher, C. D. Batista, S. N. Gvasaliya, C. Niedermayer, J. Stahn

2006

10. Bose-Einstein condensation in BaCuSi2O6
Journal of Physics: Conference Series 51, 9 (2006)
N. Harrison, S. E. Sebastian, C. D. Batista, M. Jaime, L. Balicas, P. A. Sharma, N. Kawashima and I. R. Fisher

9. Role of anisotropy in the spin-dimer compound BaCuSi2O6
Physical Review B 74, 180401(R)
(2006)
Suchitra E. Sebastian, P. Tanedo, P. A. Goddard, S.-C. Lee, A. Wilson, S. Kim, S. Cox, R. D. McDonald, S. Hill, N. Harrison, C.D. Batista, and I. R. Fisher

8. Dimensional reduction at a quantum critical point
Nature 441, 617 (2006)
S. E. Sebastian, N. Harrison, C. D. Batista, L. Balicas, M. Jaime, P. A. Sharma, N. Kawashima, I.R. Fisher

7. Comment on ‘Bose-Einstein Condensation of Magnons in Cs2CuCl4
Physical Review Letters 96, 189703 (2006)
S. E. Sebastian, V. S. Zapf, N. Harrison, C. D. Batista, P. A. Sharma, M. Jaime, I. R. Fisher, and A. Lacerda

6. Low-temperature structural phase transition and incommensurate lattice modulation in the spingap compound BaCuSi2O6
Physical Review B 73, 100407(R) (2006)
E. C. Samulon, Z. Islam, S. E. Sebastian, P. B. Brooks, M. K. McCourt, Jr., J. Ilavsky, and I. R. Fisher

5. Scanning Hall probe imaging of ErNi2B2C
Physical Review B 73, 014514 (2006)
H. Bluhm, S. E. Sebastian, J. W. Guikema, I. R. Fisher, K. A. Moler

2005

4. Characteristic BEC scaling near Quantum Critical Point in BaCuSi2O6
Physical Review B Rapid Commn. 72, 100404(R) (2005)
S. E. Sebastian, P. A. Sharma, M. Jaime, N. Harrison, V. Correa, L. Balicas, N. Kawashima, C. D. Batista, I.R. Fisher

3. High-field behavior of the spin gap compound Sr2Cu(BO3)2
Physical Review B 71, 212405 (2005)
S. E. Sebastian, D. Yin, P. Tanedo, G. A. Jorge, N. Harrison, M. Jaime, Y. Mozharivskyj, G. Miller, J. Krzystek, S. A. Zvyagin, I. R. Fisher

2004

2. Magnetic properties of single grain R-Mg-Cd primitive icosahedral quasicrystals (R=Y, Gd, Tb or Dy)
Philosophical Magazine 84(10), 1029 (2004)
Suchitra E. Sebastian, T. Huie, I.R. Fisher, K. W. Dennis, M. J. Kramer

2002

1. Microwave conductivity and penetration depth in the heavy fermion superconductor CeCoIn5
Physical Review Letters 28, 047005 (2002)
R. J. Ormeno, A. Sibley, C. E. Gough, S. Sebastian, I. R. Fisher

Research highlights

Suchitra Sebastian

ses59@cam.ac.uk

01223 850481

Siân Dutton

sed33@cam.ac.uk

01223 764159

Cavendish Laboratory,

19 J J Thomson Avenue,
Cambridge,
CB3 0HE

Maxwell Center