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Rotation symmetry breaking in La2-xSrxCuO4 revealed by angle-resolved photoemission spectroscopy

Razzoli, E. (author)
Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.;Univ Fribourg, Fribourg Ctr Nanomat, CH-1700 Fribourg, Switzerland.;Univ British Columbia, Quantum Matter Inst, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
Matt, C. E. (author)
Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.;ETH, Lab Solid State Phys, CH-8093 Zurich, Switzerland.
Sassa, Y. (author)
Uppsala universitet,Molekyl- och kondenserade materiens fysik,Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.;ETH, Lab Solid State Phys, CH-8093 Zurich, Switzerland.
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Månsson, Martin (author)
KTH,Materialfysik, MF,Ecole Polytech Fed Lausanne, LQM, Stn 3, CH-1015 Lausanne, Switzerland.;Paul Scherrer Inst, Lab Neutron Scattering, CH-5232 Villigen, Switzerland.;KTH Royal Inst Technol, Mat Phys, Electrum 229, S-16440 Stockholm, Sweden.,Muroran Inst Technol, Dept Appl Sci, Muroran, Hokkaido 0508585, Japan.,Hokkaido Univ, Dept Phys, Sapporo, Hokkaido 0600810, Japan.,Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.
Tjernberg, Oscar, 1967- (author)
KTH,Materialfysik, MF,KTH Royal Inst Technol, Mat Phys, Electrum 229, S-16440 Stockholm, Sweden.
Drachuck, G. (author)
Technion Israel Inst Technol, Phys Dept, IL-32000 Haifa, Israel.
Monomo, M. (author)
Oda, M. (author)
Kurosawa, T. (author)
Hokkaido Univ, Dept Phys, Sapporo, Hokkaido 0600810, Japan.
Huang, Y. (author)
Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Plumb, N. C. (author)
Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.
Radovic, M. (author)
Keren, A. (author)
Technion Israel Inst Technol, Phys Dept, IL-32000 Haifa, Israel.
Patthey, L. (author)
Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.
Mesot, J. (author)
Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.;ETH, Lab Solid State Phys, CH-8093 Zurich, Switzerland.;EPF Lausanne, Inst Mat Complexe, CH-1015 Lausanne, Switzerland.
Shi, M. (author)
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Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.;Univ Fribourg, Fribourg Ctr Nanomat, CH-1700 Fribourg, Switzerland.;Univ British Columbia, Quantum Matter Inst, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada. Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland.;Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland.;ETH, Lab Solid State Phys, CH-8093 Zurich, Switzerland. (creator_code:org_t)
American Physical Society, 2017
2017
English.
In: Physical Review B. - : American Physical Society. - 2469-9950 .- 2469-9969. ; 95:22
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Using angle-resolved photoemission spectroscopy it is revealed that in the vicinity of optimal doping the electronic structure of La2-x SrxCuO4 cuprate undergoes an electronic reconstruction associated with a wave vector q(a) = (pi, 0). The reconstructed Fermi surface and folded band are distinct to the shadow bands observed in BSCCO cuprates and in underdoped La2-xSrxCuO4 with x <= 0.12, which shift the primary band along the zone diagonal direction. Furthermore, the folded bands appear only with q(a) = (pi, 0) vector, but not with q(b) = (0, pi). We demonstrate that the absence of q(b) reconstruction is not due to thematrix-element effects in the photoemission process, which indicates the fourfold symmetry is broken in the system.

Subject headings

NATURVETENSKAP  -- Fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences (hsv//eng)
NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

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